Valve: Relief Valves

Manufacturers:  Valves: Relief Valves: past and present

Manufacturers:  Metal body

  1. Anderson Greenwood (Emerson)
  2. Apollo Conbraco
  3. Aquatrol
  4. Armstrong
  5. Axelson
  6. Baird Mfg
  7. Beaumont
  8. Bell & Gossett
  9. Bifold
  10. Birkett (Emeron)
  11. Cash ACME (hot water; not steam)
  12. Century Instruments
  13. Chart
  14. Circle Seal Valve: Rockwood
  15. Comfit
  16. Consolidated (Baker Hughes)
  17. Control Devices (up to 3/4″)
  18. CPV
  19. Crosby (Emeron)
  20. Curtis-Wright
  21. Dawsons-Tech
  22. DK-Lok
  23. Doering (small)
  24. Dresser Utilities: Flowsafe
  25. Duco (Netherlands)
  26. Farris (Curtis-Wright)
  27. Fisher
  28. Flomatic
  29. Forbes Marshall
  30. Fulflo
  31. FW Murphy
  32. GA Industries
  33. Gadren (Control Device)
  34. Garrett
  35. Gloxco
  36. Groth
  37. Hunt: Fairbanks Morse Defense
  38. IMI Norgren
  39. Installoy: Bi-Lok: Generant (Texas Family of Companies)
  40. Keckley
  41. Kenco
  42. Kingston (Storm Manufacturing)
  43. Kunkle (Emerson)
  44. Lansdale: Breeco: GemLock
  45. Lenz (small)
  46. Leser
  47. Leslie
  48. Lonergan
  49. Malema: PSG
  50. Marotta
  51. McDonald Miller
  52. McKenzie Valve
  53. Mercer
  54. Merrill Manufacturing
  55. Midwest Controls
  56. Nibco
  57. Omega (UK)
  58. Parker
  59. Precision
  60. Pulsafeeder
  61. Richter
  62. Sapag (Emeron)
  63. Sarasin-RSBD “Starflow” (Trillium)
  64. Sempell (Emeron)
  65. Spence
  66. Spirax Sarco
  67. Staitech (UK)
  68. Steriflow (sanitary)
  69. SVR (Canada)
  70. Swagelok
  71. Taylor Valve
  72. Therm Omega Tech (small)
  73. Valsteam (sanitary)
  74. Walworth (ASME B16.34)
  75. Watson McDaniel
  76. Watts
  77. Zurn
  78. Bueno (Indonesia)
  79. Stewarts – Buchanan (international)

Different type of Relief Valve:

Manufacturers:  PVC body or Plastic Body

  1. Avantor
  2. Blacoh
  3. Blue White
  4. Boshart Industries
  5. Eco Valve
  6. Filterchem (Heritage)
  7. Griffco
  8. Hayward
  9. Kenco
  10. LMI (Milton Roy)
  11. Neptune
  12. Nova Tech
  13. Plast-O-Matic
  14. Primary Fluid Systems
  15. Pulsafeeder
  16. RK Industries
  17. Simtech
  18. Stra Val
  19. Vector

Valve: Relief Valve ASME Section VIII for steam service (internal link)

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