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Relief Valves

Relief Valves

Relief Valves

Keep Supply is your trusted source for relief valves. The relief valve is designed or set to open at a predetermined set pressure to protect pressure vessels and other equipment from being subjected to pressures that exceed their design limits. We carrier solenoid from Danfoss, Hansen and more. For all your parts needs, we are here to help.

Categories
Relief Valve Rupture Discs
Relief Valve Rupture Discs
Relief Valve Replacement Parts
Relief Valve Replacement Parts
Relief Vent Indicators
Relief Vent Indicators
Relief Valve Parts
Relief Valve Parts
Cartridge Relief Valves
Cartridge Relief Valves
Dual Assemblies
Dual Assemblies
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2805 items

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  1. Cyrus Shank 851A-375 1 1/4 Cyrus Shank 851A-375 1 1/4
    Cyrus Shank 851A-375 1 1/4" Safety Relief Valve, 1 1/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  2. Cyrus Shank 851A-375 1 Cyrus Shank 851A-375 1
    Cyrus Shank 851A-375 1" Safety Relief Valve, 1", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  3. Cyrus Shank 851A-375 3/4 Cyrus Shank 851A-375 3/4
    Cyrus Shank 851A-375 3/4" Safety Relief Valve, 3/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  4. Cyrus Shank 851A-400 1 1/4 Cyrus Shank 851A-400 1 1/4
    Cyrus Shank 851A-400 1 1/4" Safety Relief Valve, 1 1/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  5. Cyrus Shank 851A-400 1 Cyrus Shank 851A-400 1
    Cyrus Shank 851A-400 1" Safety Relief Valve, 1", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  6. Cyrus Shank 851A-400 3/4 Cyrus Shank 851A-400 3/4
    Cyrus Shank 851A-400 3/4" Safety Relief Valve, 3/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  7. Cyrus Shank 851AR-150 1 1/4 Cyrus Shank 851AR-150 1 1/4
    Cyrus Shank 851AR-150 1 1/4" Safety Relief Valve, 1 1/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  8. Cyrus Shank 851AR-150 1 Cyrus Shank 851AR-150 1
    Cyrus Shank 851AR-150 1" Safety Relief Valve, 1", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  9. Cyrus Shank 851AR-150 3/4 Cyrus Shank 851AR-150 3/4
    Cyrus Shank 851AR-150 3/4" Safety Relief Valve, 3/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  10. Cyrus Shank 851AR-175 1 1/4 Safety Relief Valve, 1 1/4, 2, Aluminum Cyrus Shank 851AR-175 1 1/4 Safety Relief Valve, 1 1/4, 2, Aluminum
    Cyrus Shank 851AR-175 1 1/4 Safety Relief Valve, 1 1/4, 2, Aluminum
    Add to Quote to request pricing
  11. Cyrus Shank 851AR-175 1 Safety Relief Valve, 1, 2, Aluminum Cyrus Shank 851AR-175 1 Safety Relief Valve, 1, 2, Aluminum
    Cyrus Shank 851AR-175 1 Safety Relief Valve, 1, 2, Aluminum
    Add to Quote to request pricing
  12. Cyrus Shank 851AR-175 3/4 Safety Relief Valve, 3/4, 2, Aluminum Cyrus Shank 851AR-175 3/4 Safety Relief Valve, 3/4, 2, Aluminum
    Cyrus Shank 851AR-175 3/4 Safety Relief Valve, 3/4, 2, Aluminum
    Add to Quote to request pricing
  13. Cyrus Shank 851AR-200 1 1/4 Cyrus Shank 851AR-200 1 1/4
    Cyrus Shank 851AR-200 1 1/4" Safety Relief Valve, 1 1/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  14. Cyrus Shank 851AR-200 1 Cyrus Shank 851AR-200 1
    Cyrus Shank 851AR-200 1" Safety Relief Valve, 1", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  15. Cyrus Shank 851AR-200 3/4 Cyrus Shank 851AR-200 3/4
    Cyrus Shank 851AR-200 3/4" Safety Relief Valve, 3/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  16. Cyrus Shank 851AR-225 1 1/4 Cyrus Shank 851AR-225 1 1/4
    Cyrus Shank 851AR-225 1 1/4" Safety Relief Valve, 1 1/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  17. Cyrus Shank 851AR-225 1 Cyrus Shank 851AR-225 1
    Cyrus Shank 851AR-225 1" Safety Relief Valve, 1", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  18. Cyrus Shank 851AR-225 3/4 Cyrus Shank 851AR-225 3/4
    Cyrus Shank 851AR-225 3/4" Safety Relief Valve, 3/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  19. Cyrus Shank 851AR-250 1 1/4 Cyrus Shank 851AR-250 1 1/4
    Cyrus Shank 851AR-250 1 1/4" Safety Relief Valve, 1 1/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  20. Cyrus Shank 851AR-250 1 Cyrus Shank 851AR-250 1
    Cyrus Shank 851AR-250 1" Safety Relief Valve, 1", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  21. Cyrus Shank 851AR-250 3/4 Cyrus Shank 851AR-250 3/4
    Cyrus Shank 851AR-250 3/4" Safety Relief Valve, 3/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  22. Cyrus Shank 851AR-275 1 1/4 Cyrus Shank 851AR-275 1 1/4
    Cyrus Shank 851AR-275 1 1/4" Safety Relief Valve, 1 1/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  23. Cyrus Shank 851AR-275 1 Cyrus Shank 851AR-275 1
    Cyrus Shank 851AR-275 1" Safety Relief Valve, 1", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  24. Cyrus Shank 851AR-275 3/4 Cyrus Shank 851AR-275 3/4
    Cyrus Shank 851AR-275 3/4" Safety Relief Valve, 3/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  25. Cyrus Shank 851AR-300 1 1/4 Cyrus Shank 851AR-300 1 1/4
    Cyrus Shank 851AR-300 1 1/4" Safety Relief Valve, 1 1/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  26. Cyrus Shank 851AR-300 1 Cyrus Shank 851AR-300 1
    Cyrus Shank 851AR-300 1" Safety Relief Valve, 1", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  27. Cyrus Shank 851AR-300 3/4 Cyrus Shank 851AR-300 3/4
    Cyrus Shank 851AR-300 3/4" Safety Relief Valve, 3/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  28. Cyrus Shank 851AR-325 1 1/4 Cyrus Shank 851AR-325 1 1/4
    Cyrus Shank 851AR-325 1 1/4" Safety Relief Valve, 1 1/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  29. Cyrus Shank 851AR-325 1 Cyrus Shank 851AR-325 1
    Cyrus Shank 851AR-325 1" Safety Relief Valve, 1", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  30. Cyrus Shank 851AR-325 3/4 Cyrus Shank 851AR-325 3/4
    Cyrus Shank 851AR-325 3/4" Safety Relief Valve, 3/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  31. Cyrus Shank 851AR-350 1 1/4 Cyrus Shank 851AR-350 1 1/4
    Cyrus Shank 851AR-350 1 1/4" Safety Relief Valve, 1 1/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  32. Cyrus Shank 851AR-350 1 Cyrus Shank 851AR-350 1
    Cyrus Shank 851AR-350 1" Safety Relief Valve, 1", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  33. Cyrus Shank 851AR-350 3/4 Cyrus Shank 851AR-350 3/4
    Cyrus Shank 851AR-350 3/4" Safety Relief Valve, 3/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  34. Cyrus Shank 851AR-375 1 1/4 Cyrus Shank 851AR-375 1 1/4
    Cyrus Shank 851AR-375 1 1/4" Safety Relief Valve, 1 1/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  35. Cyrus Shank 851AR-375 1 Cyrus Shank 851AR-375 1
    Cyrus Shank 851AR-375 1" Safety Relief Valve, 1", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  36. Cyrus Shank 851AR-375 3/4 Cyrus Shank 851AR-375 3/4
    Cyrus Shank 851AR-375 3/4" Safety Relief Valve, 3/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  37. Cyrus Shank 851AR-400 1 1/4 Cyrus Shank 851AR-400 1 1/4
    Cyrus Shank 851AR-400 1 1/4" Safety Relief Valve, 1 1/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  38. Cyrus Shank 851AR-400 1 Cyrus Shank 851AR-400 1
    Cyrus Shank 851AR-400 1" Safety Relief Valve, 1", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  39. Cyrus Shank 851AR-400 3/4 Cyrus Shank 851AR-400 3/4
    Cyrus Shank 851AR-400 3/4" Safety Relief Valve, 3/4", 2", Aluminum
    List Price $1,157.26 List Price $1,157.26 Web Price $1,015.28
  40. Cyrus Shank 851D-150 1 1/4 Safety Relief Valve, 1 1/4, 2, Ductile Iron Cyrus Shank 851D-150 1 1/4 Safety Relief Valve, 1 1/4, 2, Ductile Iron
    Cyrus Shank 851D-150 1 1/4 Safety Relief Valve, 1 1/4, 2, Ductile Iron
    List Price $1,117.85 List Price $1,117.85 Web Price $983.76
  41. Cyrus Shank 851D-150 1 Safety Relief Valve, 1, 2, Ductile Iron Cyrus Shank 851D-150 1 Safety Relief Valve, 1, 2, Ductile Iron
    Cyrus Shank 851D-150 1 Safety Relief Valve, 1, 2, Ductile Iron
    List Price $1,117.85 List Price $1,117.85 Web Price $983.76
  42. Cyrus Shank 851D-150 3/4 Safety Relief Valve, 3/4, 2, Ductile Iron Cyrus Shank 851D-150 3/4 Safety Relief Valve, 3/4, 2, Ductile Iron
    Cyrus Shank 851D-150 3/4 Safety Relief Valve, 3/4, 2, Ductile Iron
    List Price $1,117.85 List Price $1,117.85 Web Price $983.76
  43. Cyrus Shank 851D-175 1 1/4 Safety Relief Valve, 1 1/4, 2, Ductile Iron Cyrus Shank 851D-175 1 1/4 Safety Relief Valve, 1 1/4, 2, Ductile Iron
    Cyrus Shank 851D-175 1 1/4 Safety Relief Valve, 1 1/4, 2, Ductile Iron
    Add to Quote to request pricing
  44. Cyrus Shank 851D-175 1 Safety Relief Valve, 1, 2, Ductile Iron Cyrus Shank 851D-175 1 Safety Relief Valve, 1, 2, Ductile Iron
    Cyrus Shank 851D-175 1 Safety Relief Valve, 1, 2, Ductile Iron
    Add to Quote to request pricing
  45. Cyrus Shank 851D-175 3/4 Safety Relief Valve, 3/4, 2, Ductile Iron Cyrus Shank 851D-175 3/4 Safety Relief Valve, 3/4, 2, Ductile Iron
    Cyrus Shank 851D-175 3/4 Safety Relief Valve, 3/4, 2, Ductile Iron
    Add to Quote to request pricing
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Product Availability
  1. In Stock, Ships Today 129items
Brand
  1. Cyrus Shank 1693items
  2. Danfoss 70items
  3. Frick 68items
  4. Hansen 421items
  5. Henry 105items
  6. Hussmann 3items
  7. Ingersoll Rand 10items
  8. Kunkle 2items
  9. Parker 16items
  10. R-EADY Brand 5items
  11. Parker - Refrigerating Specialties (RS) 391items
  12. REGO 1item
  13. Tattle 22items
  14. Vilter 4items
Category
  1. Dual Cartridge Relief Valve Kits 40items
  2. Gauges 1item
  3. Kits 2items
  4. O-Rings 2items
  5. Oil Temperature Valves 55items
  6. Parts 7items
  7. Quote Only 1item
  8. Relief Valves 2607items
  9. Relief Valve Parts 53items
  10. Relief Valve Rupture Discs 8items
  11. Relief Vent Indicators 22items
  12. Replacement Parts 3items
  13. Safety Relief Valves 6items
Outlet Connection
  1. 3/4" 695items
  2. 1" 428items
  3. 1-1/4" 196items
  4. 1" FPT 2items
  5. 1 1/2" 229items
  6. 1-1/2" FPT 1item
  7. 1-1/4" FPT 1item
  8. 2" 129items
  9. 2 & 3 22items
  10. 2" & 3" 22items
  11. 2 1/2" 1item
  12. 3" 1item
Relief Pressure Setting
  1. 50 18items
  2. 75 135items
  3. 100 107items
  4. 125 108items
  5. 150 131items
  6. 175 133items
  7. 200 136items
  8. 225 138items
  9. 250 141items
  10. 275 154items
  11. 300 141items
  12. 325 136items
  13. 350 137items
  14. 375 138items
  15. 400 136items
  16. 12 bar 2items
  17. 12.5 bar 2items
  18. 17 bar 2items
  19. 24 bar 2items
  20. 31 bar 3items
  21. 88.64 psi 1item
  22. 175 psi 5items
  23. 180 psi 2items
  24. 190 psi 1item
  25. 210 psi 1item
  26. 214 psi 2items
  27. 225 psi 5items
  28. 230 psi 1item
  29. 235 psi 1item
  30. 255 psi 1item
  31. 265 psi 3items
  32. 275 psi 6items
  33. 290 psi 1item
  34. 330 psi 2items
  35. 350 psi 2items
  36. 375 psi 2items
  37. 150 psig 12items
  38. 150 psig (marked with CE) 1item
  39. 165 psig 2items
  40. 175 psig 2items
  41. 180 psig 2items
  42. 190 psig 2items
  43. 200 psig 16items
  44. 200 psig (marked with CE) 1item
  45. 225 psig 18items
  46. 225 psig (marked with CE) 2items
  47. 250 psig 18items
  48. 250 psig (marked with CE) 6items
  49. 260 psig 2items
  50. 265 psig 2items
  51. 275 psig 20items
  52. 280 psig 2items
  53. 300 psig (marked with CE) 2items
  54. 300 psig 14items
  55. 325 psig 2items
  56. 350 psig 14items
  57. 375 psig 2items
  58. 400 psig (marked with CE) 1item
  59. 400 psig 16items
Inlet
  1. 1/2" 831items
  2. 1/2" FPT 1item
  3. 1" 325items
  4. 1" FPT 1item
  5. 1-1/2" 22items
  6. 1-1/4" 127items
  7. 1-1/4" FPT 1item
  8. 2-1/2" 1item
  9. 3/4" 420items
  10. 3/4" FPT 1item
  11. 3" 1item