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Engineering & Design of Pipe Supports

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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.

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Engineering & Design of Pipe Supports

  1. 1. PIPING TECHNOLOGY & PRODUCTS, INC. Pipe Support Engineering & Design Webinar Attention Attendees : to listen to the audio portion, check that your speakers or headset are on and turned up OR dial the number and use the access code listed in your confirmation email. Attention P.E.’s : this Webinar is worth 1 PDH credit for TX P.E.’s (send request to [email_address] )
  2. 2. Presenter Jerry Godina Lead Pipe Support Designer
  3. 3. 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
  4. 4. PT&P People <ul><li>Over 700 Employees </li></ul><ul><ul><li>Sales, Engineering, Office Administration, Manufacturing, Customer Service, Marketing, Accounting, etc. </li></ul></ul><ul><li>Resources include 75 Engineers & Designers </li></ul><ul><ul><li>4 Ph.D.’s </li></ul></ul>
  5. 5. Manufacturing Facility <ul><li>Houston, Texas, USA </li></ul><ul><li>450,000 square feet covered shop space </li></ul><ul><li>35 acre property </li></ul><ul><li>Located near Port of Houston for convenient shipping around the world </li></ul>
  6. 6. Engineering & Design Technical Capabilities <ul><li>Engineering and Design </li></ul><ul><ul><li>Piping, Pipe Support and Structural Design </li></ul></ul><ul><ul><li>3D Modeling Technology </li></ul></ul><ul><ul><li>Pipe Stress Analysis </li></ul></ul><ul><ul><ul><li>Caesar II </li></ul></ul></ul><ul><ul><li>Structural Analysis </li></ul></ul><ul><ul><ul><li>STAAD II </li></ul></ul></ul><ul><ul><li>Finite Element Analysis </li></ul></ul><ul><ul><ul><li>Special Stress/Thermal Problems </li></ul></ul></ul><ul><ul><ul><li>Pro/E for 3-D Part Design </li></ul></ul></ul><ul><ul><ul><li>ANSYS for Mesh Generation + Analysis + Results Analysis </li></ul></ul></ul><ul><ul><li>Field Testing </li></ul></ul>
  7. 7. Engineering & Manufacturing Overall Work Process Flow Model Quote Sweco Fab U.S. Bellows PT&P Anchor/Darling Pipe Shields Engineering Manufacturing Detail Planning Cut Fab Painting & Galvanizing Assembly Layout & Assembly Pack & Ship
  8. 8. Engineering & Design Engineering Work Process – Pipe Support Quote Engineering Manufacturing Isometric Drawings Empirical Calculations Load & Displacement Tables Level 1 Customization PT&P U.S. Bellows Sweco Fab Pipe Shields Anchor/Darling 3D Modeling and FEA Testing The End Result Standard Catalog Designs
  9. 9. Original Stress Analysis Data Support Configuration Engineering & Design Standard Catalog Designs
  10. 10. Figure 70 – Light Three Bolt Clamp Online Catalog Page Print Catalog Engineering & Design Standard Catalog Designs – Component Selection
  11. 11. Variable Spring Rod Pipe Clamp <ul><li>This is the resulted assembly fabricated from selecting a combination of standard components. </li></ul><ul><li>Overall design based on the following operating conditions including: </li></ul><ul><li>Load </li></ul><ul><li>Temperature </li></ul><ul><li>Deflection </li></ul>Weldless Eye Nut Engineering & Design Standard Catalog Designs
  12. 12. Engineering & Design Standard Designs – Pipe Shoes vs. Spring Supports Case : The type of supports used on this line were not effective and needed service often Solution : Changed to a combination of hanging supports and clamp-on shoes
  13. 13. Engineering & Design Standard Design: Level 1 Customization – Clamp Calculator Manual Clamp Calculations <ul><li>3-Bolt Pipe Clamp </li></ul><ul><li>Load: 20,000 lb. </li></ul><ul><li>Pipe Size: 20&quot; </li></ul><ul><li>Operating Temp: 650 °F </li></ul>
  14. 14. Engineering & Design Standard Design: Level 1 Customization – Clamp Calculator Example <ul><li>3-Bolt Pipe Clamp </li></ul><ul><li>Load: 20,000 lb. </li></ul><ul><li>Pipe Size: 20&quot; </li></ul><ul><li>Operating Temp: 650 °F </li></ul>
  15. 15. Engineering & Design Standard Design: Level 1 Customization – “Mini” Big Ton Springs Solution : Use a multiple spring coil arrangement with smaller, shorter coils used in parallel. Case : A standard variable spring using a single coil could not be used due to height restrictions. 2 Coils 4 Coils
  16. 16. <ul><li>Big Ton T Upthrust Constants </li></ul><ul><li>Load: 75,000 lb. </li></ul><ul><li>Total Travel: 5&quot; </li></ul><ul><li>Height: 16.5&quot; </li></ul><ul><li>Big Ton D Upthrust Constants </li></ul><ul><li>Load: 50,022 lb. </li></ul><ul><li>Total Travel: 4 &quot; </li></ul><ul><li>Height: 26&quot; </li></ul>Engineering & Design Standard Design: Level 1 Customization – Big Ton Upthrust Constants Solutions : 1. Immediate research and design 2. Retrofit of new PT&P product Case : A customer needed a support for a vessel, but had very limited space available Constants Installed at Petrochemical Plant
  17. 17. Engineering & Design Empirical Calculations STAAD Analysis used to design supplementary steel components
  18. 18. Engineering & Design Empirical Calculations <ul><li>Bolted Clamp Pipe Shoe </li></ul><ul><li>Supplementary Steel Components </li></ul>
  19. 19. Engineering & Design Complex Designs – FEA Finite Element Analysis ProEngineer, PT/Modeler, Cosmos/M, ANSYS, etc.
  20. 20. Engineering & Design Complex Designs – FEA Finite Element Analysis of 27' x 16' x 21 ' Structural Frame Frame in Preparation for Fit-up FEA of Lifting Lug Base in Fabrication Process Structure Base in Painting Phase
  21. 21. Engineering & Design Complex Designs – Case Study: Transition Piece FEA Case : To determine the need for stiffeners in highest stress area
  22. 22. Engineering & Design Complex Designs – Case Study: Transition Piece FEA (continued) Case : To determine the need for stiffeners in highest stress area (continued) Figure 1 Illustration of Pressures and Displacements Internal Pressure = 18.7 PSI Figure 2 Stress Plot #1 Internal Pressure = 18.7 PSI Figure 3 Stress Plot #2 Internal Pressure = 18.7 PSI Figure 4 Displacement Plot #1 Internal Pressure = 18.7 PSI
  23. 23. Engineering & Design Complex Designs – Case Study: Transition Piece FEA (continued) Case : To determine the need for stiffeners in highest stress area (continued) Figure 5 Illustration of Pressures and Displacements External Pressure = 15 PSI Figure 6 Stress Plot #1 External Pressure = 15 PSI Figure 7 Stress Plot #2 External Pressure = 15 PSI Figure 8 Displacement Plot #2 External Pressure = 15 PSI Solution : Finite Element Analysis determined that stiffeners are unnecessary and yield a savings of $30,000
  24. 24. Engineering & Design Complex Designs – 3D Modeling 3D Models Designed and Generated for Electronic Interference Check Variable Springs Pipe Clamp Guides Constant Springs
  25. 25. Engineering & Design Design Verification by Product Testing Case : To determine the amount of ice formation on an un-insulated pipe operating at cryogenic temperatures. Perspective View of the Test Facility Amount of Ice Formation on Un-Insulated Pipe
  26. 26. Engineering & Design Design Verification by Product Testing (continued) After filling the pipe with liquid Nitrogen, the pipe’s surface temperature started to fall exponentially with time. It took almost 20 hours to reach a steady state with small variations following a trend similar to that of the ambient temperature variations during day and night. Amount of Ice Formation on Un-Insulated Pipe
  27. 27. <ul><li>Case : Improper caulking compound selected for the application </li></ul>5800 Test Facility 5800C Engineering & Design Design Verification by Product Testing – Selection of Caulking Compound Solution : Tested original compound (5800) and the suggested compound (5800C) to determine the temperature at which each compound began to melt.
  28. 28. Engineering & Design The End Result – Pipe Support
  29. 29. <ul><li>Case : Over 116 hot shoes for various sizes of large bore high energy steam lines failed twice causing the Energy Center to completely shut down. </li></ul>Engineering & Design Case Studies – New Patent for High Temperature Supports
  30. 30. Engineering & Design Case Studies – New Patent for High Temperature Supports (continued) Solution : PT&P designed special clamp shoes that would dissipate heat and preserve the integrity of the PTFE, 25% glass filled slide plates from thermal damage. - The line temperatures ranged from 650°F to 1100°F. - PT&P performed full EPC services and manufactured all of the supports for this project. - Finite Element Analysis was also performed. Finite Element Analysis
  31. 31. Engineering & Design Case Studies – New Patent for High Temperature Supports (continued) Restoration of insulation after installation of new shoes Steam lines after installation of PT&P’s newly designed shoes
  32. 32. Cold Shoe Testing Constant Testing Value-added Services Various Product Testing Marinite Slide Plate Testing Spring Load Testing Anchor Shoe Testing
  33. 33. Value-added Services On-site Field Services <ul><li>On-site installation guidance </li></ul><ul><li>On-site inspection/maintenance of pipe supports </li></ul><ul><li>On-site snubber inspection </li></ul><ul><li>A system of stock standard Items </li></ul><ul><li>“ On-call” engineering team </li></ul><ul><li>Available 24x7 </li></ul>PT&P’s “On-call” engineering team guarantees a response time of 30 minutes
  34. 34. Inventory & Stocking Capacity <ul><li>> 30,000 spring coils </li></ul><ul><li>> 1 million Lb. of standard items </li></ul><ul><li>Full year supply of beam, angle, plates, rods…etc. </li></ul>At Piping Technology & Products, we stock:
  35. 35. www.pipingtech.com Fatigue Testing Pressure Balanced Expansion Joints FEA: Plate Thickness and Pipe Stress Inspection and Maintenance of Supports Value-added Services Technical Information
  36. 36. Value-added Services Weekly Newsletter <ul><li>Product of the Week: - Featured Products with Pictures and Project Details </li></ul><ul><li>Webinar Registration: - Details on Upcoming Webinars </li></ul><ul><li>Quick Access to PT&P’s: - Online Quote System - Emergency Service - Online Catalogs - Downloadable Software </li></ul>E-NEWS
  37. 37. Thank You for Joining PT&P’s Engineering & Design Webinar Please send any additional questions or inquiries to [email_address] Useful Links: <ul><li>Online Quote: www.pipingtech.com/quote </li></ul><ul><li>Online Catalog: www.pipingtech.com/catalog </li></ul><ul><li>Technical Webinars: www.pipingtech.com/ webinar </li></ul><ul><li>Blog: www.pipesupportsblog.com </li></ul>

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