This Webinar will focus on the different types of variable spring supports and big ton variable spring supports. Learn about the special features available, in addition to the design of a variable support. View how the different coil configurations produce a unique response to an applied load and see how a spring assembly is loaded. Discover the basic steps in selecting a hanger design and the step by step process used to size a spring for your application.
This presentation will cover pipe support design, 3D modeling, Finite Element Analysis, special stress and thermal cases, along with the unique cases that brought on new pipe support designs. Increase your understanding of the value-added services that are offered by PT&P, and rest assured that your Engineering and Design needs can be covered by our 24x7 web-based emergency services, providing field service, and quick-turn around time when you need it most. We look forward to having you join us for this complimentary presentation on Engineering and Design of Pipe Supports.
The document is about a webinar on pipe support field inspection, installation, and maintenance presented by Jerry Godinaer. It provides information on inspecting, installing, and maintaining different types of pipe supports including variable and constant spring hangers, restraint devices, pipe shoes, slide plates, and hardware components. It discusses guidelines for on-site surveys, what to inspect for existing supports, and criteria for adjusting or replacing supports if needed.
This presentation will cover pipe support design, 3D modeling, Finite Element Analysis, special stress and thermal cases, along with the unique cases that brought on new pipe support designs. Increase your understanding of the value-added services that are offered by PT&P.
In this Webinar we explore the details of actual case studies focusing on various signs that indicate if a particular support needs replaced or adjusted. The presentation also covers projects that brought on new standard designs and custom designs for specific applications. And lastly, it includes valuable additions and procedures that extend the typical life span of a pipe support. PT&P's field services division is available 24x7 in the case of an emergency situation or for a scheduled shut down.
This document provides an overview of piping systems and components. It discusses that piping is used to convey liquids, gases, or materials through a tubular system. Key piping components include pipes, fittings, flanges, valves, and strainers. Common piping materials include carbon steel, alloy steels, and stainless steels. The document also discusses piping design considerations like material selection, insulation, supports, flexibility analysis, and piping and instrumentation diagrams (P&IDs). Piping stress analysis is conducted to ensure stresses from pressures, temperatures, and other loads do not exceed design limits.
1) The document is a summary of a webinar about engineered pipe supports provided by Piping Technology & Products, Inc (PT&P).
2) It discusses different types of variable and constant spring supports, how to size, select, install, and maintain them.
3) The webinar provides guidance on inspection criteria and procedures for repairs, replacements, and isolating pipe systems during maintenance.
This document provides an overview of piping fundamentals for fresher engineers. It discusses what a piping system is, components like pipes, fittings, valves, supports and insulation. It also covers piping layout, modeling software, stress analysis, sizing calculations considering flow rates, pressures and material selection based on fluid properties. Critical high pressure and temperature piping in power plants requires special design considerations for material selection and allowing for expansion.
This document provides an overview of key concepts in piping system design including:
1. It describes the basic components of a piping system including pipes, fittings, valves, instruments, supports, and discusses terminal connections and insulation.
2. It outlines the process of developing a piping system layout from defining flow requirements to creating piping and instrumentation diagrams (P&IDs) and 3D models.
3. It highlights important design considerations like accessibility, orientation, straight pipe lengths, drainage and ventilation.
This presentation will cover pipe support design, 3D modeling, Finite Element Analysis, special stress and thermal cases, along with the unique cases that brought on new pipe support designs. Increase your understanding of the value-added services that are offered by PT&P, and rest assured that your Engineering and Design needs can be covered by our 24x7 web-based emergency services, providing field service, and quick-turn around time when you need it most. We look forward to having you join us for this complimentary presentation on Engineering and Design of Pipe Supports.
The document is about a webinar on pipe support field inspection, installation, and maintenance presented by Jerry Godinaer. It provides information on inspecting, installing, and maintaining different types of pipe supports including variable and constant spring hangers, restraint devices, pipe shoes, slide plates, and hardware components. It discusses guidelines for on-site surveys, what to inspect for existing supports, and criteria for adjusting or replacing supports if needed.
This presentation will cover pipe support design, 3D modeling, Finite Element Analysis, special stress and thermal cases, along with the unique cases that brought on new pipe support designs. Increase your understanding of the value-added services that are offered by PT&P.
In this Webinar we explore the details of actual case studies focusing on various signs that indicate if a particular support needs replaced or adjusted. The presentation also covers projects that brought on new standard designs and custom designs for specific applications. And lastly, it includes valuable additions and procedures that extend the typical life span of a pipe support. PT&P's field services division is available 24x7 in the case of an emergency situation or for a scheduled shut down.
This document provides an overview of piping systems and components. It discusses that piping is used to convey liquids, gases, or materials through a tubular system. Key piping components include pipes, fittings, flanges, valves, and strainers. Common piping materials include carbon steel, alloy steels, and stainless steels. The document also discusses piping design considerations like material selection, insulation, supports, flexibility analysis, and piping and instrumentation diagrams (P&IDs). Piping stress analysis is conducted to ensure stresses from pressures, temperatures, and other loads do not exceed design limits.
1) The document is a summary of a webinar about engineered pipe supports provided by Piping Technology & Products, Inc (PT&P).
2) It discusses different types of variable and constant spring supports, how to size, select, install, and maintain them.
3) The webinar provides guidance on inspection criteria and procedures for repairs, replacements, and isolating pipe systems during maintenance.
This document provides an overview of piping fundamentals for fresher engineers. It discusses what a piping system is, components like pipes, fittings, valves, supports and insulation. It also covers piping layout, modeling software, stress analysis, sizing calculations considering flow rates, pressures and material selection based on fluid properties. Critical high pressure and temperature piping in power plants requires special design considerations for material selection and allowing for expansion.
This document provides an overview of key concepts in piping system design including:
1. It describes the basic components of a piping system including pipes, fittings, valves, instruments, supports, and discusses terminal connections and insulation.
2. It outlines the process of developing a piping system layout from defining flow requirements to creating piping and instrumentation diagrams (P&IDs) and 3D models.
3. It highlights important design considerations like accessibility, orientation, straight pipe lengths, drainage and ventilation.
This document provides an overview of a webinar presented by Piping Technology & Products, Inc. and its subsidiaries on constant spring supports. It discusses the characteristics and design of constant spring supports, including various types and configurations. It also covers related topics like installation, testing, maintenance, and value-added engineering services.
This document provides a technical datasheet for the 37 km pipeline of the Ogabiri Gas Gathering Project in Nigeria. It includes dimensions, quantities, anti-corrosion specifications, and results from detailed design engineering. Simulations were conducted using PIPESIM and HYSIS to model gas and water flows between five flow stations - Ibugben, Ogabiri-1, Ogabiri-2, Rumokun-1 and Rumokun-2. The pipelines will transport treated gas from the stations to the Escravos-Lagos Pipeline System. The datasheet provides pipeline dimensions, material specifications, and confirmation that the design meets ISO, ASME and ASTM standards.
Download this document here: http://www.cadem.in/software/cadempvd/reports/pressure-vessels/design-of-pressure-vessel-1.pdf
This example covers design of a simple pressure vessel. This pressure vessel has a top flat cover and a bottom dished end. The top cover is of bolted type and is connected to the shell through top body flange. The pressure vessel is provided with lugs support and lifting lug.
The document provides information for a piping inspector, including:
1. The duties of a piping inspector are to ensure piping activities such as material receiving, fabrication, erection, testing, and re-instatement comply with Saudi Aramco specifications and procedures.
2. Inspection is to be carried out according to Schedule Q, Saudi Aramco standards and specifications, and approved procedures and ITPs.
3. Piping construction drawings include plans, arrangements, supports, details, hook-ups, schedules, P&IDs, and isometrics.
Piping Training course-How to be an Expert in Pipe & Fittings for Oil & Gas c...Varun Patel
Course Description
Piping a must know skill to work in Oil & Gas and similar Process Industries.
Oil and Gas industry is become a very competitive in the current time. Getting right mentor and right exposer within industry is difficult. With limited training budget spent by company on employee training, it is difficult to acquire the knowledge to success.
Knowing cross-functional skill give you an edge over others in your career success.
This course design based on years of field experience to ensure student will comprehend technical details easily and enjoy overall journey.
Learn in detail every aspect of Pipe & Pipe Fittings used in process industry
•Different types of Pipe, Pipe fittings (Elbow, Tee, reducers, Caps etc.), Flanges, Gaskets, Branch Connection, Bolting materials
•Materials (Metal-Carbon Steel, Stainless Steel, Alloy Steel etc. Non-Metal- PVC/VCM, HDPE, GRE-GRP etc.)
•Manufacturing methods
•Heat treatment requirements
•Inspection and Testing requirements (Non Destructive Testing, Mechanical & Chemical testing)
•Dimensions & Markings requirements
•Code & Standard used in piping
Content and Overview
With 2 hours of content including 30 lectures & 8 Quizzes, this course cover every aspect of Pipe, Pipe fittings, flanges, gaskets, branch connections and bolting material used in Process Piping.
This Course is divided in three parts.
1st part of the course covers fundamental of process industries. In this Part, you will learn about fundamental process piping. You will also learn about Code, Standard & Specification used in process industries.
2nd part cover various types of material used in process industries. In this part, you will learn about Metallic and Non-Metallic material used to manufacture pipe and other piping components.
3rd parts covers in detail about pipe and piping components used in Process piping. In this part we will learn about Industry terminology of Piping components, types of industrial material grade used in manufacturing and entire manufacturing process of these components. You will learn about different manufacturing methods, Heat treatment requirements, Destructive and Non-destructive testing, Visual & Dimensional inspection and Product marking requirements.
Upon completion, you will be able to use this knowledge direct on your Job and you can easily answer any interview question on pipe & fittings.
The document discusses the role and responsibilities of a piping engineer. It outlines that a piping engineer is responsible for the accurate design of piping systems according to specifications while achieving an economic design. A piping engineer must have knowledge of various engineering disciplines and codes/standards. The inputs and outputs of piping design are listed, including things like piping layouts, support designs, and isometric drawings. Common piping symbols and components are also defined.
1. Purpose of Hydro test.
2. Types of Pressure Test.
3. Procedure of Hydro test.
4. Limitations of Pneumatic Test.
5. Hydro testing test Pressure.
6. Test pressure subjected to external pressure.
7. Hydro test Pressure according to different process.
8. Volume required for the Hydro testing.
9. Pipeline De watering, Cleaning & Drying.
pipe one of the main article that is used in our daily life.its being manufactured and used in industries in large scale. because of its large application and uses they are being manufactured in varies levels and types
This document provides generalized guidelines for structural steel welding inspection as per the AWS D1.1 Structural Welding Code for Steel. It covers standard terms, the scope of the code, limitations on its use, design of welded connections, weld joint configurations, prequalification of welding procedures, qualification requirements, fabrication, inspection, and non-destructive testing requirements. Key areas addressed include complete and partial joint penetration welds, fillet welds, prequalification criteria for common welding processes and materials, visual inspection acceptance standards, and additional non-destructive testing as required.
Codes provide legally binding guidelines for design, construction, and installation of piping systems, while standards provide sizes, ratings, and joining methods of piping components. Dimensional standards ensure interchangeability of similar components from different suppliers. Major organizations establishing standards include ASME, BIS, BSI, and DIN. Commonly used codes include ASME B31.1 through B31.12 governing various piping applications. ASME B16 standards specify pipes and fittings.
Difference Between Piping and Pipeline -Piping vs pipelineVarun Patel
Learn about the difference between Piping and Pipeline. When it comes to transport the fluid, Piping and Pipeline are most frequent words use in Oil & Gas industries. Let us explore the similarity and differences between Piping and Pipeline. Piping and Pipeline both use to transport various liquid, gases and sometimes slurry and powder material.
Learn about various testing and inspection performed during and after the manufacturing of the pipe to ensure the quality of the pipe before it dispatched to the site for use. You will learn about Heat Treatment, NonDestructive Testing, Distractive Testing, Metallurgical Testing, Hydrostatic Test, Visual & Dimension Inspection and Marking.
The document discusses the design, inspection, and repair of pressure vessels. It covers several key topics in 3 paragraphs or less:
Material selection and manufacturing processes are important considerations in pressure vessel design. Pressure vessels are designed to safely contain pressure and withstand operating stresses and temperatures over their design life. Common materials used include steel and aluminum alloys.
Design requirements include calculating stresses, dimensions, and thickness to withstand the internal pressure. Factors like pressure, vessel geometry, material properties, and temperature are considered. Standards like the ASME code provide design procedures and formulas.
Inspection and maintenance are important to determine fitness for service. The maximum allowable working pressure is based on design calculations and limits for each vessel component
This document provides standards for piping design, layout, and stress analysis. It covers topics such as design and layout considerations including numbering systems, safety, clearance, pipe routing, valves, equipment piping, and stress analysis criteria. The standards are intended to replace individual company specifications and be used in existing and future offshore oil and gas developments. It references other NORSOK and international standards and does not cover all instrument control piping, risers, sanitary piping, or GRP piping.
This document provides an introduction and overview of piping design. It defines piping and piping systems, discusses international design standards like ASME B31.3, and covers key piping components such as pipes, fittings, flanges and valves. The document also outlines the stages of a piping design project from start to completion and summarizes important considerations like stress analysis, material selection and support spacing calculations.
This document is a piping material specification for a project located in Padur. It includes 3 pages of content listing abbreviations, a table of contents, an index of piping classes and materials, and 4 sheets providing details on pipe sizes, materials, and fitting types for Pipe Class A13A. The document specifies material types, standards, and notes for a 150# carbon steel piping system conveying corrosive hydrocarbons.
Process Related, Mechanical and Piping Workshop by Technipignitetribes
The document provides an overview of process related aspects in offshore oil and gas. It begins with an introduction to offshore oil and gas field layout, including satellite platforms that separate bulk fluids and a central processing platform for finer separation. It then outlines the key process areas in more detail, including gas/liquid separation, water/condensate separation, chemical injection, compression, dehydration, export pipelines, and pigging. The purpose and basic design of equipment for each process area is described.
Chris brooks storage tanks inspection, maintenance and failureSreekumar K S
API 653 tank inspections are important to identify problems and prevent tank failures. Inspections should be conducted by certified inspectors following proper protocols, including visual and ultrasound thickness testing and vacuum testing of floor seams. Tank maintenance includes regular visual inspections, keeping records, and conducting API-653 inspections every five years. Common causes of catastrophic tank failures include improper welding procedures resulting in a lack of weld fusion, not using certified welders, weld deterioration over time, overfilling tanks, and using contractors not qualified to API standards.
This document discusses basics of sheet metal and usage of NX sheet metal tools. Sheet metal involves thin metal plates and sheets that are formed using processes like bending, stretching, and shearing. Common items made from sheet metal include appliances, car bodies, and aircraft panels. The document then lists and describes various tools in NX for modeling sheet metal parts, including tabs, flanges, hems, bends, punches, and other features. It provides details on how each tool is used to create or modify the sheet metal model.
Klaus P. Redmann is the Director of Quality at Disc Spring Technology, LLC. He was born in Germany and received his Masters in Chemical Engineering in 1977. His first job after university brought him to the US, where he has resided for 36 years. In addition to his role at DST, Klaus owns Redmann Quality Engineering Services, which performs quality assurance services for nuclear fuel fabrication. Klaus has extensive experience in quality systems auditing and is certified in quality engineering.
: Discover the secret to a lower coefficient of friction while permitting translational motion or movement with the supporting element. Learn about the different types of slide plates and pipe rollers used for various applications. View the design, load capabilities, and installation and maintenance guidelines for both slide plates and pipe rollers. See numerous photos featuring combinations with other critical pipe supports in order to allow for movement or a low coefficient of friction.
This document provides an overview of a webinar presented by Piping Technology & Products, Inc. and its subsidiaries on constant spring supports. It discusses the characteristics and design of constant spring supports, including various types and configurations. It also covers related topics like installation, testing, maintenance, and value-added engineering services.
This document provides a technical datasheet for the 37 km pipeline of the Ogabiri Gas Gathering Project in Nigeria. It includes dimensions, quantities, anti-corrosion specifications, and results from detailed design engineering. Simulations were conducted using PIPESIM and HYSIS to model gas and water flows between five flow stations - Ibugben, Ogabiri-1, Ogabiri-2, Rumokun-1 and Rumokun-2. The pipelines will transport treated gas from the stations to the Escravos-Lagos Pipeline System. The datasheet provides pipeline dimensions, material specifications, and confirmation that the design meets ISO, ASME and ASTM standards.
Download this document here: http://www.cadem.in/software/cadempvd/reports/pressure-vessels/design-of-pressure-vessel-1.pdf
This example covers design of a simple pressure vessel. This pressure vessel has a top flat cover and a bottom dished end. The top cover is of bolted type and is connected to the shell through top body flange. The pressure vessel is provided with lugs support and lifting lug.
The document provides information for a piping inspector, including:
1. The duties of a piping inspector are to ensure piping activities such as material receiving, fabrication, erection, testing, and re-instatement comply with Saudi Aramco specifications and procedures.
2. Inspection is to be carried out according to Schedule Q, Saudi Aramco standards and specifications, and approved procedures and ITPs.
3. Piping construction drawings include plans, arrangements, supports, details, hook-ups, schedules, P&IDs, and isometrics.
Piping Training course-How to be an Expert in Pipe & Fittings for Oil & Gas c...Varun Patel
Course Description
Piping a must know skill to work in Oil & Gas and similar Process Industries.
Oil and Gas industry is become a very competitive in the current time. Getting right mentor and right exposer within industry is difficult. With limited training budget spent by company on employee training, it is difficult to acquire the knowledge to success.
Knowing cross-functional skill give you an edge over others in your career success.
This course design based on years of field experience to ensure student will comprehend technical details easily and enjoy overall journey.
Learn in detail every aspect of Pipe & Pipe Fittings used in process industry
•Different types of Pipe, Pipe fittings (Elbow, Tee, reducers, Caps etc.), Flanges, Gaskets, Branch Connection, Bolting materials
•Materials (Metal-Carbon Steel, Stainless Steel, Alloy Steel etc. Non-Metal- PVC/VCM, HDPE, GRE-GRP etc.)
•Manufacturing methods
•Heat treatment requirements
•Inspection and Testing requirements (Non Destructive Testing, Mechanical & Chemical testing)
•Dimensions & Markings requirements
•Code & Standard used in piping
Content and Overview
With 2 hours of content including 30 lectures & 8 Quizzes, this course cover every aspect of Pipe, Pipe fittings, flanges, gaskets, branch connections and bolting material used in Process Piping.
This Course is divided in three parts.
1st part of the course covers fundamental of process industries. In this Part, you will learn about fundamental process piping. You will also learn about Code, Standard & Specification used in process industries.
2nd part cover various types of material used in process industries. In this part, you will learn about Metallic and Non-Metallic material used to manufacture pipe and other piping components.
3rd parts covers in detail about pipe and piping components used in Process piping. In this part we will learn about Industry terminology of Piping components, types of industrial material grade used in manufacturing and entire manufacturing process of these components. You will learn about different manufacturing methods, Heat treatment requirements, Destructive and Non-destructive testing, Visual & Dimensional inspection and Product marking requirements.
Upon completion, you will be able to use this knowledge direct on your Job and you can easily answer any interview question on pipe & fittings.
The document discusses the role and responsibilities of a piping engineer. It outlines that a piping engineer is responsible for the accurate design of piping systems according to specifications while achieving an economic design. A piping engineer must have knowledge of various engineering disciplines and codes/standards. The inputs and outputs of piping design are listed, including things like piping layouts, support designs, and isometric drawings. Common piping symbols and components are also defined.
1. Purpose of Hydro test.
2. Types of Pressure Test.
3. Procedure of Hydro test.
4. Limitations of Pneumatic Test.
5. Hydro testing test Pressure.
6. Test pressure subjected to external pressure.
7. Hydro test Pressure according to different process.
8. Volume required for the Hydro testing.
9. Pipeline De watering, Cleaning & Drying.
pipe one of the main article that is used in our daily life.its being manufactured and used in industries in large scale. because of its large application and uses they are being manufactured in varies levels and types
This document provides generalized guidelines for structural steel welding inspection as per the AWS D1.1 Structural Welding Code for Steel. It covers standard terms, the scope of the code, limitations on its use, design of welded connections, weld joint configurations, prequalification of welding procedures, qualification requirements, fabrication, inspection, and non-destructive testing requirements. Key areas addressed include complete and partial joint penetration welds, fillet welds, prequalification criteria for common welding processes and materials, visual inspection acceptance standards, and additional non-destructive testing as required.
Codes provide legally binding guidelines for design, construction, and installation of piping systems, while standards provide sizes, ratings, and joining methods of piping components. Dimensional standards ensure interchangeability of similar components from different suppliers. Major organizations establishing standards include ASME, BIS, BSI, and DIN. Commonly used codes include ASME B31.1 through B31.12 governing various piping applications. ASME B16 standards specify pipes and fittings.
Difference Between Piping and Pipeline -Piping vs pipelineVarun Patel
Learn about the difference between Piping and Pipeline. When it comes to transport the fluid, Piping and Pipeline are most frequent words use in Oil & Gas industries. Let us explore the similarity and differences between Piping and Pipeline. Piping and Pipeline both use to transport various liquid, gases and sometimes slurry and powder material.
Learn about various testing and inspection performed during and after the manufacturing of the pipe to ensure the quality of the pipe before it dispatched to the site for use. You will learn about Heat Treatment, NonDestructive Testing, Distractive Testing, Metallurgical Testing, Hydrostatic Test, Visual & Dimension Inspection and Marking.
The document discusses the design, inspection, and repair of pressure vessels. It covers several key topics in 3 paragraphs or less:
Material selection and manufacturing processes are important considerations in pressure vessel design. Pressure vessels are designed to safely contain pressure and withstand operating stresses and temperatures over their design life. Common materials used include steel and aluminum alloys.
Design requirements include calculating stresses, dimensions, and thickness to withstand the internal pressure. Factors like pressure, vessel geometry, material properties, and temperature are considered. Standards like the ASME code provide design procedures and formulas.
Inspection and maintenance are important to determine fitness for service. The maximum allowable working pressure is based on design calculations and limits for each vessel component
This document provides standards for piping design, layout, and stress analysis. It covers topics such as design and layout considerations including numbering systems, safety, clearance, pipe routing, valves, equipment piping, and stress analysis criteria. The standards are intended to replace individual company specifications and be used in existing and future offshore oil and gas developments. It references other NORSOK and international standards and does not cover all instrument control piping, risers, sanitary piping, or GRP piping.
This document provides an introduction and overview of piping design. It defines piping and piping systems, discusses international design standards like ASME B31.3, and covers key piping components such as pipes, fittings, flanges and valves. The document also outlines the stages of a piping design project from start to completion and summarizes important considerations like stress analysis, material selection and support spacing calculations.
This document is a piping material specification for a project located in Padur. It includes 3 pages of content listing abbreviations, a table of contents, an index of piping classes and materials, and 4 sheets providing details on pipe sizes, materials, and fitting types for Pipe Class A13A. The document specifies material types, standards, and notes for a 150# carbon steel piping system conveying corrosive hydrocarbons.
Process Related, Mechanical and Piping Workshop by Technipignitetribes
The document provides an overview of process related aspects in offshore oil and gas. It begins with an introduction to offshore oil and gas field layout, including satellite platforms that separate bulk fluids and a central processing platform for finer separation. It then outlines the key process areas in more detail, including gas/liquid separation, water/condensate separation, chemical injection, compression, dehydration, export pipelines, and pigging. The purpose and basic design of equipment for each process area is described.
Chris brooks storage tanks inspection, maintenance and failureSreekumar K S
API 653 tank inspections are important to identify problems and prevent tank failures. Inspections should be conducted by certified inspectors following proper protocols, including visual and ultrasound thickness testing and vacuum testing of floor seams. Tank maintenance includes regular visual inspections, keeping records, and conducting API-653 inspections every five years. Common causes of catastrophic tank failures include improper welding procedures resulting in a lack of weld fusion, not using certified welders, weld deterioration over time, overfilling tanks, and using contractors not qualified to API standards.
This document discusses basics of sheet metal and usage of NX sheet metal tools. Sheet metal involves thin metal plates and sheets that are formed using processes like bending, stretching, and shearing. Common items made from sheet metal include appliances, car bodies, and aircraft panels. The document then lists and describes various tools in NX for modeling sheet metal parts, including tabs, flanges, hems, bends, punches, and other features. It provides details on how each tool is used to create or modify the sheet metal model.
Klaus P. Redmann is the Director of Quality at Disc Spring Technology, LLC. He was born in Germany and received his Masters in Chemical Engineering in 1977. His first job after university brought him to the US, where he has resided for 36 years. In addition to his role at DST, Klaus owns Redmann Quality Engineering Services, which performs quality assurance services for nuclear fuel fabrication. Klaus has extensive experience in quality systems auditing and is certified in quality engineering.
: Discover the secret to a lower coefficient of friction while permitting translational motion or movement with the supporting element. Learn about the different types of slide plates and pipe rollers used for various applications. View the design, load capabilities, and installation and maintenance guidelines for both slide plates and pipe rollers. See numerous photos featuring combinations with other critical pipe supports in order to allow for movement or a low coefficient of friction.
Explore how Polyurethane foam is produced, from mixing polyols and isocyanates to inspecting the final product. Learn about anchor shoe testing, lateral load testing, compressive strength testing, and axial load testing.
Learn about the different types of engineered spring supports and when to use variable springs, constants or big tons depending on the design conditions. See how shock control, restraint and support devices are used to guide or restrain movement during normal operating conditions or under impulse loading events. Learn about pre-insulated pipe supports, including various insulating materials used for both cold and hot applications. Discover the slide plate sandwich concept and explore different slide plate materials used to reduce the coefficient of friction. View examples of expansion joints, pressure vessels, pig launchers and receivers.
This document summarizes 15 case studies presented in a webinar about pipe support and expansion joint field examples. The case studies covered a range of issues including designing custom spring supports, developing slide plates for high temperatures, replacing expansion joints and snubbers, and reducing lateral loads on piping systems. The webinar also discussed the company's engineering capabilities and value-added services for pipe support projects.
Explore the various applications of snubbers, sway braces and sway struts in piping systems and equipment. Learn how these products help prevent pipe system failure due to seismic loads, flow transients, wind loads, safety valve thrust loads or pipe rupture. Discover the various tests performed within PT&P’s facility to ensure product quality, including cycle testing, travel testing and load testing.
This document provides information about a webinar presented by Sweco Fab Inc, a subsidiary of Piping Technology & Products Inc, on ASME vessels, pig launchers, strainers, and other products. The webinar is worth 1 PDH credit for Texas P.E.s. The document then provides details on the various products discussed in the webinar, including specifications, materials used, sizes available, applications, and capabilities. Engineering services for design, analysis, and testing are also mentioned.
This presentation is on Pipe Clamps, including Hold-Down Clamps, Riser Clamps, Clevis Hangers, Yoke U-Bolt Clamps and Structural Supports. Learn how the appropriate type of pipe support is chosen based on the different design conditions. Find out how Finite Element Analysis is used in the design process and view the custom pipe supports designed for extreme applications.
Learn how the theoretical applications of spring supports are put into use in the real world. We will start with a review of the working principles of both variable and constant springs. See how brand new spring looks at delivery, and review installation guidelines. Learn the key points to review through the total installation process and subsequently when the springs are in operation. See how to determine if springs need adjustments, re-calibration, refurbishment or replacement. View in field examples, shutdown and isolation procedures. See the selection process required when there are significant changes to the operating condition.
The document summarizes Piping Technology & Products' capabilities in manufacturing and testing pre-insulated pipe supports. PT&P has extensive experience designing supports for applications such as LNG plants and pipelines. They have a large manufacturing facility with equipment for producing polyurethane foam insulation and assembling pipe supports. PT&P also offers on-site services and emergency engineering support.
The document summarizes furnace support products provided by Piping Technology & Products, Inc. and its subsidiaries. It presents on engineered pipe supports including variable and constant spring supports, expansion joints, and other furnace application supports. The presentation discusses the fabrication, testing and applications of variable and constant furnace spring supports, highlighting their customized designs and coatings suited for high temperature furnace environments.
1. The document discusses different types of engineered spring supports produced by Piping Technology & Products including variable spring supports, constant spring supports, big ton spring supports, and constant spring hangers.
2. It provides guidelines for selecting, installing, inspecting, maintaining, and replacing spring hangers and discusses the various components and steps involved.
3. Maintenance is important to prevent problems and ensure spring hangers are properly supporting piping systems over their lifespan of 10-30 years. Regular inspection and adjustment is recommended.
Piping Technology & Products, Inc. provides different types of engineered pipe supports including variable spring supports, constant spring supports, and big ton spring supports. The document discusses the design, installation, inspection, maintenance, and replacement of spring pipe hangers. It emphasizes selecting the proper hanger type based on load and movement calculations, following installation guidelines, using a 10-point inspection criteria, and replacing damaged or corroded hangers to ensure optimum performance and safety.
1) The document provides information about a webinar on constant spring supports hosted by Piping Technology & Products, including an overview of constant spring supports, their design process, features, testing procedures, maintenance and replacement criteria.
2) Details are given on the different types of constant spring supports as well as information sheets and examples of spring sizing.
3) The webinar covers value-added services offered by Piping Technology & Products such as engineering, field services, product testing, inventory and technical literature.
This Webinar will also highlight our custom designed products that were specially manufactured per unique customer specifications. Learn about optional features that can be implemented into your designs for optimum functionality of the supports in your particular applications. Additionally, gain an overall understanding of pipe supports through a showcase of colorful photos and technical diagrams.
In this Webinar we explore the details of actual case studies focusing on various signs that indicate if a particular support needs replaced or adjusted. The presentation also covers projects that brought on new standard designs and custom designs for specific applications. And lastly, it includes valuable additions and procedures that extend the typical life span of a pipe support.
This Webinar will also highlight our custom designed products that were specially manufactured per unique customer specifications. Learn about optional features that can be implemented into your designs for optimum functionality of the supports in your particular applications. Additionally, gain an overall understanding of pipe supports through a showcase of colorful photos and technical diagrams.
The document summarizes an online presentation about field services provided by Piping Technology & Products, including on-site inspections, installations, maintenance and problem resolutions related to pipe supports, expansion joints, and other piping components. Key areas discussed include inspecting and evaluating variable spring supports, constant spring supports, restraint devices, hardware, pipe shoes, slide plates and expansion joints. Guidelines are provided for inspecting, replacing, adjusting or installing these various piping components. Examples of problem resolutions are also described.
Discover the secret to a lower coefficient of friction while premitting translational motion or movement with the supporting element. Learn about the different types of slide plates and pipe rollers used for various applications. View the design, load capabilities, and installation and maintenance guidelines for both slide plates and pipe rollers.
This Webinar will focus on installation and maintenance guidelines and offer valuable tips on inspecting a wide variety of pipe supports and expansion joints in your piping system. We will cover various pipe support applications and point out signs that indicate if a particular support needs replaced or adjusted. Obtain the knowledge you need to avoid the possibility of a potentially catastrophic situation.
In this Webinar we explore the details of actual case studies focusing on various signs that indicate if a particular support needs replaced or adjusted. The presentation also covers projects that brought on new standard designs and custom designs for specific applications. And lastly, it includes valuable additions and procedures that extend the typical life span of a pipe support.
This document provides information about AAA Supports Private Limited, a company that designs and manufactures variable spring hangers and supports. It describes the company's product range, design principles, ordering information, quality control processes, materials used, and installation instructions. The document also provides details on the company's variable spring support types and selection methods.
Spring Supports System - Catalouge- AAA Supports Pvt. Ltd. Amit Srivastava
This document provides information about AAA Supports Private Limited, a company that designs and manufactures variable spring hangers and supports. It details the company's product range, ordering information, quality control processes, materials used, and provides descriptions of their variable spring support types and selection method. The document is intended to provide customers with specifications and details about AAA's variable spring hanger and support products.
Discover the secret to a lower coefficient of friction while permitting translational motion or movement with the supporting element. Learn about the different types of slide plates and pipe rollers used for various applications. View the design, load capabilities, and installation and maintenance guidelines for both slide plates and pipe rollers. See numerous photos featuring combinations with other critical pipe supports in order to allow for movement or a low coefficient of friction.
1) The document provides information about an upcoming webinar on slide plates and pipe rollers hosted by Piping Technology & Products, Inc. It includes details on how to access the audio portion of the webinar through phone.
2) The webinar will cover design secrets of slide plates, including materials used, specifications, applications, and testing. It will also discuss pipe rollers and their use.
3) Attendees are thanked for participating and informed that any additional questions can be sent to the provided email address. Details are also given on the next webinar focusing on shock control, restraint, and support devices.
Discover the secret to a lower coefficient of friction while permitting translational motion or movement with the supporting element. Learn about the different types of slide plates and pipe rollers used for various applications. View the design, load capabilities, and installation and maintenance guidelines for both slide plates and pipe rollers. See numerous photos featuring combinations with other critical pipe supports in order to allow for movement or a low coefficient of friction.
Explore how Polyurethane foam is produced, from mixing polyols and isocyanates to inspecting the final product. Learn about anchor shoe testing, lateral load testing, compressive strength testing, and axial load testing.
Discover the secret to a lower coefficient of friction while permitting translational motion or movement with the supporting element. Learn about the different types of slide plates and pipe rollers used for various applications. View the design, load capabilities, and installation and maintenance guidelines for both slide plates and pipe rollers. See numerous photos featuring combinations with other critical pipe supports in order to allow for movement or a low coefficient of friction.
Explore the various applications of snubbers, sway braces and sway struts in piping systems and equipment. Learn how these products help prevent pipe system failure due to seismic loads, flow transients, wind loads, safety valve thrust loads or pipe rupture. Discover the various tests performed within PT&P’s facility to ensure product quality, including cycle testing, travel testing and load testing. Finally, view the value-added services offered by PT&P and rest assure that your shock control, restraint and support device needs can be covered by our 24x7 web-based emergency services, field services and quick-turn around time when you need it most.
Discover the secret to a lower coefficient of friction while premitting translational motion or movement with the supporting element. Learn about the different types of slide plates and pipe rollers used for various applications. View the design, load capabilities, and installation and maintenance guidelines for both slide plates and pipe rollers. See numerous photos featuring combinations with other critical pipe supports in order to allow for movement or a low coefficient of friction.
Discover the secret to a lower coefficient of friction while premitting translational motion or movement with the supporting element. Learn about the different types of slide plates and pipe rollers used for various applications. View the design, load capabilities, and installation and maintenance guidelines for both slide plates and pipe rollers. See numerous photos featuring combinations with other critical pipe supports in order to allow for movement or a low coefficient of friction.
This presentation will briefly touch on the basics of fabric expansion joints; however, is mainly focused on the various designs, material details, and applications. Learn how fabric expansion joints are engineered and fabricated for various applications and the many factors that influence those designs. View the abundance of materials used, including Fluoroplastic and Fluoroelastomer, and their respective capabilities. Take a journey through a Fossil Fired Power Plant and see exactly where fabric expansion joints are required.
This presentation will give you an introduction to Pipe Shields, Inc. and its unique line of pre-insulated pipe supports, slides, guides and anchors that it developed and patented over its 40 year history. It will cover various designs, commercial applications (chilled and heated water lines, HVAC systems and low pressure steam lines), installation and maintenance procedures and the benefits of using pre-insulated pipe supports (vs. doing insulation in the field). This presentation will be delivered by Albert Dizon, General Manager of Pipe Shields, who has been working with pre-insulated pipe supports for 30+ years. Join us and receive some of his experience and wisdom!
From engineered pipe supports, expansion joints, pre-insulated pipe supports, and miscellaneous fabrication to various engineering and technical services, PT&P has decades of experience providing products and services for all your engineering and construction needs.
This document provides information about U.S. Bellows, Inc., a manufacturer of metallic and fabric expansion joints. It discusses U.S. Bellows' certifications, manufacturing facility, team members, history since the 1960s, and membership in industry organizations. It also promotes U.S. Bellows' capabilities including fast turnaround, repair, replacement, refurbishing, and quick delivery of expansion joints.
This document is a presentation from US Bellows about expansion joint basics. It contains information about US Bellows' facilities and certifications. It also provides details on bellows movement and motion, types of expansion joints, bellows fabrication, testing procedures, and applications for expansion joints. The presentation aims to educate attendees on fundamental expansion joint topics.
U.S. Bellows is a manufacturer of metallic and fabric expansion joints located in Houston, Texas. They have over 450,000 square feet of manufacturing space and 800 years of combined experience among their staff. U.S. Bellows produces a wide variety of expansion joints from 2 to 138 inches in diameter out of materials like stainless steel, Monel, and Hastelloy to withstand high temperatures and corrosion. They provide expansion joints, technical support, and custom engineering solutions to industries worldwide.
Listen to in-depth explanations on how to choose the type of expansion joint that will best suit your system. Learn about the bellows movements throughout the piping system due to thermal changes of mechanical motion. Increase your understanding of the different types of expansion joints and value-added services offered by U.S. Bellows.
This presentation will briefly touch on the basics of fabric expansion joints; however, is mainly focused on the various designs, material details, and applications. Learn how fabric expansion joints are engineered and fabricated for various applications and the many factors that influence those designs. View the abundance of materials used, including Fluoroplastic and Fluoroelastomer, and their respective capabilities. Take a journey through a Fossil Fired Power Plant and see exactly where fabric expansion joints are required.
Este documento resume la integración de Gas Natural y Unión Fenosa, el plan de desinversiones de €3.000 millones, los aspectos financieros pro forma de la combinación, y cómo las condiciones acordadas con la CNC no afectarán la lógica estratégica de la transacción. La integración crea un líder europeo verticalmente integrado en gas y electricidad, con más de 20 millones de clientes y 17 GW de capacidad instalada. Se esperan sinergias significativas de €290 millones anuales.
This document provides an overview and instructions for an online webinar on expansion joints. It lists the phone numbers and access codes needed to listen to the audio portion. It then provides details on the event host Piping Technology & Products and its subsidiaries. The webinar will cover metallic and fabric expansion joint assemblies and their various applications.
This presentation will cover pipe support design, 3D modeling, Finite Element Analysis, special stress and thermal cases, along with the unique cases that brought on new pipe support designs. Increase your understanding of the value-added services that are offered by PT&P, and rest assured that your Engineering and Design needs can be covered by our 24x7 web-based emergency services, providing field service, and quick-turn around time when you need it most. We look forward to having you join us for this complimentary presentation on Engineering and Design of Pipe Supports.
Learn about the different types of engineered spring supports and when to use variable springs, constants or big tons depending on the design conditions. See how shock control, restraint and support devices are used to guide or restrain movement during normal operating conditions or under impulse loading events. Learn about pre-insulated pipe supports, including various insulating materials used for both cold and hot applications. Discover the slide plate sandwich concept and explore different slide plate materials used to reduce the coefficient of friction. View examples of expansion joints, pressure vessels, pig launchers and receivers.
This presentation will cover pipe support design, 3D modeling, Finite Element Analysis, special stress and thermal cases, along with the unique cases that brought on new pipe support designs. Increase your understanding of the value-added services that are offered by PT&P, and rest assured that your Engineering and Design needs can be covered by our 24x7 web-based emergency services, providing field service, and quick-turn around time when you need it most.
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3. Piping Technology & Products, Inc. Presents Variable Spring Supports and wholly owned subsidiaries: US Bellows Sweco Fab Pipe Shields Anchor/Darling Ent.
4. PT&P and Subsidiaries U.S. Bellows, Inc. Metallic Expansion Joints Thin-Wall and Thick-Wall Rectangular Expansion Joints Fabric Expansion Joints Slip-Type Expansion Joints PIPING TECHNOLOGY & PRODUCTS, INC. - Engineered Pipe Supports - Variable, Constants, Big-tons - Vibration Control Devices – Snubbers, Sway Struts - Support Assembly Components – Clamps, misc. Hardware - Pre-insulated Pipe Supports – Cryogenic/cold & Hot Applications - Fabricated Pipe Shoes, Guides & Anchors - Slide Bearing Plates - Anchor Bolts, Embed Plates IAS Certified, Member of MSS, SPED, APFA Member of EJMA SWECO Fab, Inc. Pressure Vessels Pig Launchers/Receivers Spectacle/Line Blinds Instrument Supports ASME/Misc. Fabrication ASME U-Stamp & R-Stamp Pipe Shields, Inc. Insulated Pipe Supports Commercial & Light Industrial Heavy Industrial – Base Mounted Types, Anchors Pipe Riser Clamps ISO 9001-2000 Certified Fronek A/D Ent., Inc. Hydraulic Snubbers - Short & Adjustable Strut Mechanical Snubbers dynA/Damp Compensating Strut ASME Nuclear Certified
5. Calculate hanger loads due to piping weight Calculate thermal movement of piping at each hanger location Determine hanger locations Select hanger type Check clearances 1 2 3 4 5 Spring Hanger Design Basic Steps in Spring Hanger Design
6. 1.) Relatively small thermal deflections, usually less than or equal to 2" are anticipated 2.) A difference in the supported load from the installed to the operating condition is acceptable Variable Spring Supports Characteristics
11. F-Type Variables with Fully Adjustable Travel Stops Variable Spring Supports Type F Type F F-Type Variable with Unique 3-Coat Paint System 23" F-Type Variables with Rollers
12. G-Type Variable Springs with Chained Travel Stops Variable Spring Supports Type G Type G G-Type Variable Springs G-Type Variable Springs
13. Variable Spring Supports Design Features: Spring Size & Load Capacity Height O.D. Wire Dia. Pitch
14. Total Deflection = ½ ∙ Y Total Deflection = Y Total Deflection = 2 ∙ Y Total Deflection = 3 ∙ Y Total Deflection = 4 ∙ Y Variable Spring Supports Design Features: Spring Configurations
15. Spring Supports Load & Travel Table Variable Spring Supports Spring Sizing Spring Supports Load and Travel Table
16. Step 1: Determine a theoretical spring rate ∆ Load / Movement Given the following design parameters: A.) Operating Load: 3000 B.) Installed Load: 3300 C.) Movement: ½" 3300-3000 ½" 600 Step 2: Review Load and Travel Table Chart Variable Spring Supports Spring Sizing
17. VARIABILITY = (Spring rate ∙ movement ) /Operating Load Step 3: Review Load and Travel Table Chart Step 4: Check Variability Factor VARIABILITY = (600 ∙ ½") / 3000 0.1 equal to 10% ≤ 25% Final Answer: PTP-2-130 Variable Spring Supports Spring Sizing
18. Check Hot & Cold Loads Compress Spring to Solid and Release 3 Times Zero out Load Cell Compress Spring to Cold Load Mark Cold Location on Can Measure for Travel Stop Length Compress Spring to Hot Load Variable Spring Supports Spring Loading/Assembly
19. Mark Hot Location on Can Measure Distance Between Loads Should Match Desired Travel Compress Spring to Cold Load & Place in Travel Stops Release Load and Check Travel Stops Remove Spring & Move to Table Using Hoist Variable Spring Supports Spring Loading/Assembly
20. Add Name Tag and Straps Drill & Hammer Rivets into Place Measure the Remaining Slot for Hydro-Test Stops Put Stops in Place & Strap Them Down Last Step: Measure and Adjust Load Flange Height if Necessary Variable Spring Supports Spring Loading/Assembly
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23. Big-Ton Spring Supports Development of the Big Ton Innovation and customer service enabled PT&P to carve out a niche in the pipe support industry. The development of the "Big Ton" provides an interesting illustration of this. A customer asked PT&P if there was a way to support a large vessel that would be both stable and economical. PT&P responded by designing the big ton in 1980, which is essentially a table atop muscle springs. Top Load Flange Bottom Load Flange Load Studs Division & Centering Plates Travel Stop Rods Spring Pressure Plate Housing Load Stud Nut Coil Spring
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27. Big-Ton Spring Supports Application 120,000 lb. Load Big Ton Springs for a Large Diameter Elbow
28. Installation Guidelines Attachment to Structure F-Type Bolted to Structure F-Type Welded to Structure B-Type with Beam Clamp C-Type with a WT
32. Average life expectancy of: 10 years 20 years 30 years Unprotected Spring Hanger Galvanized Hardware Neoprene Coated Springs Maintenance Useful Life of a Spring Hanger
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36. Field Examples/Tips Visual Inspections: Out of Adjustment Increase of Load Required Decrease of Load Required Balance of Load Required
48. www.pipingtech.com Fatigue Testing Pressure Balanced Expansion Joints FEA: Plate Thickness and Pipe Stress Inspection and Maintenance of Supports “ Over 450 Project Examples” Value-Added Services Technical Literature Online
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Editor's Notes
Display this slide before the presentation begins, while viewers are joining…. Do not say what is on slide…. Switch to next slide before welcoming
Hello everyone, I would like to welcome you to our Webinar on Variable Spring Supports. The Webinar today is hosted by Piping Technology & Products. I am Jerry Godina and I will be your presenter. Also, if you have a question, please feel free to chat it to us during the presentation in the text box you see to the right of the presentation or if you prefer, you can ask questions after the presentation during our “Questions and Answers Session.”
For those of you who are unfamiliar with PT&P, I want to quickly go over some background information. If you would like to know more, please visit our “About Us” section at pipingtech.com. Our parent company, Piping Technology & Products, Inc., also known as PT&P, is a member of MSS, SPED, and APFA In business since 1975, Piping Technology & Products, Inc. and its wholly owned subsidiaries (US Bellows, Sweco Fab, Pipe Shields, and Anchor Darling) offer a wide range of engineered products and services for various industries and applications. Our product line is extensive… From engineered pipe supports, expansion joints, pre-insulated pipe supports, and miscellaneous fabrication to various engineering and technical services, PT&P has decades of experience providing products and services for all your engineering and construction needs.
Pipe Hangers are designed to control: Longitudinal weight stress in the piping system without creating additional stresses Piping system loads on equipment without limiting or reducing static loads Hanger loads on building structure And physical clearances of hanger components with piping and structure Let’s look at the basic steps in the hanger design: Step 1 is to determine the location of all the hangers Then calculate the hanger loads due to the piping weight Next calculate the thermal movement of the piping at each hangers location Step 4 is to select the hanger type and finally check all clearances
Variable spring supports are used where: 1.) Relatively small thermal deflections, usually less than or equal to two inches (2 " ) are anticipated. AND 2.) A difference in the supported load from the installed to the operating condition is acceptable. We carry a substantial amount of variable springs in our inventory which can accommodate loads up to five-thousand pounds (5,000 lb.)
Variables use coiled springs to support a load and allow movement The resistance of the coil to a load changes during compression, which is why these devices are called “variables” There are many different designs for variable supports, we use A through G to describe seven different physical connections to the supporting structure. A-E and G are hangers suspended from structural members and type-F is a base support that rest on the supporting surface. All our variables are available in short springs, standard springs, double springs, triple springs or quadruple springs.
Type A variable spring supports are furnished with a threaded bushing in the top plate, providing for a simple rod attachment for the upper connection.
Types B and C variables are furnished with one or two lugs welded to the top cap plate of the casting.
Type D variable permits adjustment from the top, by turning the nuts on the hanger rod against the load column which protrudes through the top. Type E variable spring permits rod adjustment from either above or below the spring. This type of spring can be set above the supporting steel.
Type F is designed to support piping from below, directly from the floor or supporting steel. The base plate is bolted to the case and has four slots for fastening. An interesting feature of F-type variables is that the installed height can be adjusted independently of any load adjustment.
A type G spring support assembly is formed by welding two standard spring assemblies to the ends of a pair of channels. This type of variable can accommodate unusually heavy loads and is adaptable for avoiding interference in spaces where headroom is limited. Travel stops are inserted and strapped in place to maintain the load for the assembly installation. The “g-can” pictured here was manufactured for a Petrochemical Plant. As a side note, you may notice that the travel stops have been chained to the spring housing. This is an optional feature available on all spring supports which prevents loss of the travel stops after the assembly is put into service.
We have 44 different standard coil sizes, this is just a sample of the coils pictured here. Size range: 00-220
The way a variable spring support responds to an applied load depends on the coil or coils inside the casing. Each coil arrangement has a spring rate expressed in units of pounds/inch (or kilograms/millimeters) of compression. The required coil size is determined by load while the required number of coils (length) is determined by the anticipated range of movement. A longer coil or coils placed in series will provide greater travel for similar loads. We use PTP-1, PTP-2, PTP-4, PTP-6, and PTP-8 to designate the five standard coil arrangements we employ to increase the working range of travel of variable supports.
The Load and Travel Tables are color-coded to identify the travel and spring rates for each PTP figure number.* These tables can be used to select the PTP Figure Number and size required for a particular application. The twenty-three columns designated 00, 10, 20, ..., 220 identify the size and spring rate of coils used in the variables. The larger numbers have higher spring rates and are used to support greater loads. The recommended working range of loads for each size is shown between the red lines in the tables. The center of the working range is colored blue. Selecting variables with the loads within the working range provides a reserve above and below to insure the coil can function inside the casing. In using the Load and Travel Table to choose the proper variable support, it is best to have the operating (hot) load and an amount and direction of expected movement. Variability is a key criterion in selecting the figure number and size.
Example: Given the following design parameters: A.) Operating Load: 3000 B.) Installed Load: 3300 C.) Movement: ½ " Step 1: Determine a theoretical spring rate: ∆ Load / Movement (3300-3000)/ ½ " 600 Step 2: Review Load and Travel Table Chart
Step 3: Review Load and Travel Table Chart Step 4: Check Variability Factor Variability is the percentage of change in the supporting force between the operating (hot) and installed (cold) positions calculated as shown: VARIABILITY = (Spring rate * movement ) /Operating Load VARIABILITY = (600 ∙ ½") / 3000 0.1 equal to 10% ≤ 25% Final Answer: PTP-2-130 Good practice, as specified by MSS SP-58, is to choose a support with variability less than or equal to 25%. Always try to choose a variable with the operating (hot) load near the center line (blue) of the working range in the Load and Travel Table. If you have a situation in which you cannot select a standard variable which has both the operating load and the installed load within the working range, contact us and we will help you determine alternatives.
For the next three slides, we will go through the steps in loading a spring can. This particular spring can has a cut-away view for demonstration purposes. The first step is to check the hot and cold loads on the assembly drawing. The second step is to compress the spring to solid and release three times total. Then you will need to zero out the load cell before you compress the spring to the specified cold load. Mark the cold load location on the can, then measure for the travel stop length. Next you will need to compress the spring to the specified hot load.
Mark the hot location on the spring can, then measure the distance between load. The distance should match the desired travel. Compress the spring to the cold load and place the travel stops in. Release the load and check the travel stops. Remove the spring from the cage to a table using a hoist.
When adding the name tag and straps, first you need to drill and hammer the rivets into place. Measure the remaining slot for hydro-test stops Put the stops in place, strap them down, measure and lastly, adjust the load flange height if necessary.
Standard Features -Load Flange -Load Tag: Both Hot (red) and Cold (white) Movement -Installation Instructions -Travel Stops -Hot-Dipped Galvanize Finish -Adjustable Load Column (F-Can) -Pre-Loaded Left Picture: Type B Variable Spring Hanger Right Picture: Type F Variables designed for an offshore oil rig: carbon steel with hot-dipped galvanized components (PTP-6, size 90, 3 spring coils with a 7-1/2" working range, load capacity: 950 lb., overall height: 33-1/2", travel range: 4", 8-5/8" diameter casing, 13" square base plate, 8" load flange) http://www.pipingtech.com/news/arc_pw_2004/engps2004_04.htm
Special Features can be provided if required: --lifting lugs can be helpful for installing large hangers --Upper and lower limit stops --Collars --Special Paint --Guided load columns --Extended load columns --Chained travel stops --Jacking Bolts --Type F PTFE, 25% glass filled
“ Big Ton” is the name PT&P uses for a special type of variable spring support which was developed for the petrochemical industry. Many of these supports have been in service for more than 20 years. A typical big ton will have a rectangular array of coil springs supporting a pressure plate which in turn support a top load flange. Big tons provide the designer with options that are not available with typical spring supports, because they can support vessels and other components which have piping attached to them. The piping designer can choose to support these components and thus reduce loads which would be transferred to the piping. This is often a more economical and stable design for the entire systems. This type of support is used where two important characteristics in spring supports are necessary: - Extremely stable: Base supports springs of this design are frequently used under horizontal pressure vessel saddle supports in combination with slide plates or roller supports. Our Big Ton design lends itself ideally to this support situation. Type-F design is sufficient where there is a minimal amount of lateral movement, but where the combination of heavy loads and thermal expansion are required, big ton industrial springs should be your choice. Heavy Loads: The big tons’ multi-spring design lends itself to supporting very high loads. Loads up to 200,000 pounds can be handled with no problems. Big ton springs are custom designed to meet load and travel requirements for very large loads using a multiple coil system. Usually a base-mounted support that can be designed with slide plates for lateral pipe movement. The height, width and length are also custom designed to meet space requirements. Note: division & centering plates divide 2 coils stacked on top of each other and the little guides in side that holds spring in place
1 st Picture: base measures 63" square and the top load flange measures 55" square. One of the springs has an overall height of 22-7/16" and the other has an overall height of 28-5/8". Both big ton springs are custom designed and fabricated from carbon steel with a hot-dipped galvanized finish. The top of the load flange is covered by a stainless steel slide plate. One of the big ton springs is designed with a operating load of 126,000 lb. and the other with an operating load of 225,000 lb. Prior to fabrication, all of the coils, within the frame, were individually tested to insure correct spring rate and load capacity. After the units are fabricated, the entire assembly is tested throughout the entire load/travel range.
Top Picture: 8 foot long big ton variable spring assembly designed for a local area refinery Fabricated from carbon steel components with a painted finish, Top of load flange has three PTFE, 25% glass filled slide plates, Base is 96 " x 18 " and installed height is 24 " Operating load: 76,800 lb. and downward travel: 0.894 ", Prior to fabrication, each of the coils were individually tested to insure correct spring rate and load capacity. After fabrication, the entire assembly was tested throughout the entire load and travel range. Bottom Picture: Example of a “mini” big ton where loads/movement matched standard spring, but overall height was restricted Standard variable spring could not fit; solution was to use combination of smaller (shorter) coils which matched load carrying capability; short overall height could be maintained Right Picture: Dimensions: 42" x 36" x 32" Load: 25,400 lb. Movement: 7/16" Upward Spring Rate: 4400 lb/in. http://www.pipingtech.com/news/arc_pw_2008/engps2008_02.htm
As mentioned earlier, shipping complete assemblies helps with ease of installation in the field. - The plant supervisor called us in a panic because he could not find the big tons at the site. - The supervisor searched and searched for disassembled parts for a spring, all the while stressing about assembling it before installing it. - We sent a field service technician out to assist, and he found the big ton was already installed. - The supervisor was shocked, he said, “It never crossed my mind, that it was already installed, We are not used to complete assemblies arriving ready to go.”
While installing, securely attach the spring to the existing structure per the spring support design.
If required, attach a hanger rod to the fabricated load column or turnbuckle.
After hydro-testing, remove the travel stops as pictured here.
And the last step in installation is to verify that the load indicator is at the desired setting (cold/hot load)
Let’s look at the average life expectancy of a spring hanger: An unprotected spring hanger will last anywhere between fifteen (15) and twenty (20) years. If the hardware is galvanized, which is PT&P’s standard, the spring hanger will last between fifteen (15) and thirty (30) years. And if the springs are coated with Neoprene, it will last fifteen (15) to thirty (30) years. Corrosion and fatigue are the main factors that contribute to the deterioration of a spring hanger assembly.
If the piping system has inadequate support, static loads can cause multiple problems, like: Leaking flanges Pump and turbine problems, mainly concerning the bearings, seals and misalignment of flanges Sagging lines and/or liquid trapped in low sections And an increase in system stresses can result in piping failures as well
When inspecting a spring support, the first thing you want to do is: Visually inspect each spring hanger in accordance with the ten point operational integrity check which is pictured here. After the ten-point visual inspection, you should tag each spring hanger as good, adjust, or replace then issue a field summary report.
In the case you want to use your existing spring support, re-calibration is an option as long as the support is a constant spring support, in good operating condition, has an operating load range greater than fifteen thousand (15,000) pounds and the cost of field time and equipment is less than the cost of a new spring hanger.
Again, this support on the left is out of adjustment and the slide plate is no longer attached to the load flange. Note that these supports are not fabricated by PT&P. Pictured on the right is a C-Type variable spring support with the travel stop left in. Failure to remove the travel stops would lock the spring coil in position and render the support inoperable.
Again, this support on the left is out of adjustment and the slide plate is no longer attached to the load flange. Note that these supports are not fabricated by PT&P. Pictured on the right is a C-Type variable spring support with the travel stop left in. Failure to remove the travel stops would lock the spring coil in position and render the support inoperable.
To adjust a spring hanger after inspection, set to the desired position by turning the turnbuckles and load column. When the nameplate is present indicating the design hot load, adjustments can be made during operation, but a cold load adjustment needs to be made during a shutdown.
When deciding on whether to replace a spring can or not, consider the corrosion, fatigue, rust damage, and the modification of surrounding equipment and piping.
The above examples are indicative of supports which show limited functionality. The pair of base-type springs on the left exhibit significant rusting of the spring coil. Extensive deterioration of the coils would alter the spring rate and ultimately reduce the load carrying capability of the assembly. The two examples on the right show variable spring assemblies which have not been loaded. The load indicator at the top of the slot is a clear indication that either 1.) the springs have been unloaded and never returned to service or 2.) the assemblies were improperly sized for the load.
Pictured here are non-PT&P supports our field service technicians found in the field. Notice in both examples, the load indicator scales are missing or painted over. While it can be stated that the supports are taking load, it is extremely difficult for field personnel to distinguish the precise load these assemblies are holding.
A few thoughts during shutdown: Are the lines and equipment temporarily supported while repairs are being made? To prevent having to readjust the spring, I need to re-install the travel stops. If the name plate is missing, stencil the proper installed and operating positions or provide loads for re-calibration.
Our engineering and design department is involved in the following processes: -Piping, Pipe Support and Structural Design -3D Modeling Technology -Pipe Stress Analysis, in which we use Caesar II -For Structural Analysis, we use STAAD II -Our engineering and design department uses Finite Element Analysis for many projects: -FEA is used for Special Stress and/or Thermal Problems -It is used in 3D Part Design -They use ANSYS for Mesh Generation and Analysis and Results Analysis -Our Engineering and Design department is also involved in Field Testing.
PT&P offers on-site installation guidance, inspection and/or maintenance of pipe supports and snubber inspection. We carry a system of stock standard items and have an “on-call” engineering team available 24x7.
Remove this slide… does not flow when talking about services and then stopping and switching to an example
Since we don’t have much time this evening, you may want to check out our website; there you will find a plethora of technical information, including different Tests we carry out, FEA Analysis, and much more.
That concludes our Webinar on Variable Spring Supports…. I hope everyone enjoyed the presentation and as a reminder, we have a staff of experts standing by to answer any questions you may have. You can just chat them now while in session until the end of the hour, you can also send them to us by e-mail at info@pipingtech.com, or you can visit our discussion forum and post your question there, just click on the blue graphic labeled “DISCUSSION FORUM” on the left hand side of our home page at www.pipingtech.com