Variable Spring Supports

Variable Spring Supports are used when there are relatively small thermal deflections (less than 2″) are anticipated and a difference in the supported load from the installed load to the operating condition is acceptable.

Below is a list of some of PT&P’s featured projects including variable spring supports.

  1. Variable Spring Supports Designed For A Highly Corrosive Environment In Peru 7/1/19
  2. Variable Spring Hangers Designed For A Plant In Texas 4/22/19
  3. Variable Springs For A Propane Dehydrogenation Unit In Texas 11/5/18
  4. F-Type Variable Spring Supports With Graphite Slide Plates Designed For An Oil Refinery 9/24/18
  5. Variable Springs Designed For A High-Temperature Furnace Application 7/23/18
  6. Variable Springs With Clevis Hangers For An Ethylene Cracker Plant 6/4/18
  7. Custom All Stainless Steel Variable Spring Supports For A Floating Lng Platform In Singapore 1/2/18
  8. A-Type Variable Spring Supports for a Process Power Plant in Oklahoma 11/27/17
  9. Variable Spring Supports for a Furnace Application at an Ammonia Plant 8/7/17
  10. F-Type Variable Springs for a Refinery in Oklahoma 6/26/17
  11. Variable Spring Supports Designed for a Furnace in Trinidad 2/20/17
  12. Variable Spring Hangers Designed for an Ammonia Plant 1/9/17
  13. Variable Spring Supports Designed for a Furnace Application in Oklahoma 9/26/16
  14. G-Type Variable Spring Assemblies Designed for an Oil & Gas Refinery in Texas 8/8/16
  15. Variable Spring Support with Bronzphite® Slide Plates Designed for a Facility in Canada 5/23/16
  16. 300 Variable Spring Supports Designed for a Furnace Application at a Methanol Processing Facility 4/25/16
  17. Constant Spring Supports Designed for a Power Plant in New Mexico 3/7/16
  18. G-Type Variable Springs Support Designed for an LNG Facility 12/28/15
  19. Custom Variable Spring Supports Designed for a Furnace Application in an Ammonia Plant 10/19/15
  20. C-Type Variable Spring Supports Designed for a Power Plant 8/24/15
  21. F-Type Variable Spring Supports Designed for a Chemical Processing Plant 5/24/15
  22. G-Type Variable Spring Supports Designed for a Coker Replacement Project 4/12/15
  23. F-Type Variable Spring Supports Designed for an LNG Facility 2/8/15
  24. F-Type Variable Spring Supports Designed with Stainless Steel Slide Plates and Permanent Travel Stops 11/9/14
  25. G-Type Variable Spring Supports Designed for a Chemical Plant 9/21/14
  26. Variable Spring Supports Custom Designed for a Furnace Application in an Ammonia Plant 7/28/14
  27. Variable Spring Hangers Designed for an Oil Sands Expansion Project 6/30/14
  28. G-Type Variable Spring Supports Designed for a Paper Manufacturing Plant 4/6/14
  29. Variable Spring Supports Designed for a Coker Unit in an Oil Refinery 3/9/14
  30. 112 Custom Variable Springs Designed for a Furnace Application in Venezuela 12/15/13
  31. 27 B-Type Variable Spring Supports Designed for an Oil Refinery 11/23/13
  32. Variable Spring & Graphite Slide Plate Assemblies Custom Designed for Gasoline Production in Dubai 9/23/13
  33. 112 Variable Spring Supports for a Furnace Application 9/9/13
  34. F-Type and C-Type Variable Spring Supports for an Acid Plant in Canada 8/4/13
  35. C-Type Variable Spring Support Assemblies Designed for an Oil Sands Mine 4/21/13
  36. Variable Spring Hanger and Pipe Clamp Assemblies Designed for a Cogeneration Plant in Canada 1/28/13
  37. Variable Spring Hanger Assemblies for a Solar Electric Generating System 10/29/12
  38. Variable Spring Supports with Permanent Upward Travel Stop 10/2/12
  39. 113 F-Type Variable Spring Cans with PTFE Slide Plates 7/16/12
  40. 232 Variable Spring Supports for a Natural Gas Processing and Separation Plant 5/14/12
  41. Variable Springs with Guided Load Columns and a PTFE Lined Pipe Saddles 3/02/12
  42. PTP-1 F-Type Variable Spring Assemblies 12/19/11
  43. Variable Spring Supports with Guided Load Columns 3/2/12
  44. F-type Variable Spring Support with a Stainless Steel Wire Rope Isolator 9/6/11
  45. Variable Spring Supports for a Gas Storage Facility in Abu Dhabi 8/1/11
  46. Custom Designed Variable Spring Supports with Stainless Steel Slide Plates 6/20/11
  47. G-Type Variable Spring Support Assemblies for an Expansion Project 3/14/11
  48. F-Type Variable Spring Supports for a Chemical Plant and Refinery in Singapore 12/20/10
  49. Variable Spring and Cro-Moly 3-bolt Clamp Assemblies 10/5/10
  50. F-Type Variable Springs with Slide Plates 5/4/10
  51. C-Type and F-Type Variables for an Offshore Oil and Gas Refinery 1/5/10
  52. F-type Variable Spring Support Assemblies 12/22/09
  53. Variable Springs with Fully Adjustable Travel Stops 8/18/09
  54. 10′ Long Custom Variables with Four Individual Coils 3/11/09
  55. F-Type Variables with PTFE, 25% Glass Filled Slide Plates 12/22/08
  56. PTP-4 A-Type Variable Spring Supports 8/29/08
  57. 23″ Modified F-Type Variable Springs 1/16/08
  58. 7′-6″ Long Custom Variable Springs 11/21/07
  59. Variable Springs for a Project in Mexico 7/26/06
  60. 107 PTP 1-140 Type-F Positive Variable Springs for a Power Plant in China 9/21/2005
  61. 8 Custom-Built Variable Springs for a Power Plant in Arizona 6/03/05
  62. Spring Supports with PTFE, 25% Glass Filled, Slide Plates for Plant in China 3/11/2005
  63. Custom Variable Springs for Power Plant in West Virginia 10/08/04
  64. 6,600 lb. Load PTP-4 Type-C Variable Springs with Riser Clamps 7/16/04
  65. 5,800 lb. Load Type-F Variable Springs 6/18/04
  66. 950 lb. Load PTP-6 Type F Variable Springs 3/19/04
  67. 24,500 lb. Load PTP-8 Type-C Variable Spring Assemblies 2/06/04
  68. 13,000 lb. Load Furnace Spring Assemblies for a Chemical Refinery in Saudi Arabia 1/09/04
  69. Carbon Steel Variable Springs for a Power Plant in Colorado 11/07/03
  70. 1,520 Spring Assemblies for a Chemical Plant 7/18/03
  71. PT&P Aids in the Construction of an Oil Refinery in Chad 6/13/03
  72. Support Assemblies for a Power Generation Facility in Georgia 4/25/03
  73. Variable Assemblies with Pre-Insulated Clamps for a Chemical Company in Texas 4/11/03
  74. Variable Springs with Permanent Adjustment Travel Stops 2/7/03
  75. 58,000 lb. Load Variable Spring Assemblies for a Power Plant in Kentucky 1/17/03
  76. Variable Spring Supports for a Refinery in Texas 9/27/02
  77. Variable Springs to Support Furnace Tubes of a Hydrogen Reformer 7/5/02
  78. Type-F Variable Springs With Specially Made Locking Devices 11/03/01
  79. 60,000 lb. Load Type-B Variable Spring Hangers 6/27/01
  80. PT&P Aids in the Creation of a “Chemical Island” in Singapore 2/08/01
  81. RFID-Pipe Supports Project at Power Plant 2/18/00
  82. Tension (Pigtail) Spring Supports 11/19/93
  83. Variable Springs in a Variety of Sizes 10/29/93
  84. 3,400 lb. Load Type-F Spring Hangers for Overseas Refinery Plant 6/11/93
  85. Special Application Variable Springs and Constant Supports 3/19/93
  86. 30,000 lb. Load Type-F Variable Spring Hangers 2/19/93
  87. Engineered Spring Hanger for Reformer Furnace in Venezuela 8/14/92
  88. PT&P Aids in the Construction of a New Petrochemical facility
  89. 45,000 lb. Load CAD Spring Support
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