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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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2803 items

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  1. Cyrus Shank 801SS-75 Safety Relief Valve, 1/2 Cyrus Shank 801SS-75 Safety Relief Valve, 1/2
    Cyrus Shank 801SS-75 Safety Relief Valve, 1/2", 3/4", Stainless Steel
    List Price $500.16 List Price $500.16 Web Price $458.48
  2. Cyrus Shank 803 DS -125 Dual Assembly Without Unions, 1/2 Cyrus Shank 803 DS -125 Dual Assembly Without Unions, 1/2
    Cyrus Shank 803 DS -125 Dual Assembly Without Unions, 1/2", 3/4", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  3. Cyrus Shank 803 DS-100 Dual Assembly Without Unions, 1/2 Cyrus Shank 803 DS-100 Dual Assembly Without Unions, 1/2
    Cyrus Shank 803 DS-100 Dual Assembly Without Unions, 1/2", 3/4", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  4. Cyrus Shank 803 DS-150 Dual Assembly Without Unions, 1/2 Cyrus Shank 803 DS-150 Dual Assembly Without Unions, 1/2
    Cyrus Shank 803 DS-150 Dual Assembly Without Unions, 1/2", 3/4", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  5. Cyrus Shank 803 DS-175 Dual Assembly Without Unions, 1/2, 3/4, Ductile Iron Cyrus Shank 803 DS-175 Dual Assembly Without Unions, 1/2, 3/4, Ductile Iron
    Cyrus Shank 803 DS-175 Dual Assembly Without Unions, 1/2, 3/4, Ductile Iron
    Add to Quote to request pricing
  6. Cyrus Shank 803 DS-200 Dual Assembly Without Unions, 1/2 Cyrus Shank 803 DS-200 Dual Assembly Without Unions, 1/2
    Cyrus Shank 803 DS-200 Dual Assembly Without Unions, 1/2", 3/4", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  7. Cyrus Shank 803 DS-225 Dual Assembly Without Unions, 1/2 Cyrus Shank 803 DS-225 Dual Assembly Without Unions, 1/2
    Cyrus Shank 803 DS-225 Dual Assembly Without Unions, 1/2", 3/4", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  8. Cyrus Shank 803 DS-250 Dual Assembly Without Unions, 1/2, 3/4, Ductile Iron Cyrus Shank 803 DS-250 Dual Assembly Without Unions, 1/2, 3/4, Ductile Iron
    Cyrus Shank 803 DS-250 Dual Assembly Without Unions, 1/2, 3/4, Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  9. Cyrus Shank 803 DS-275 Dual Assembly Without Unions, 1/2 Cyrus Shank 803 DS-275 Dual Assembly Without Unions, 1/2
    Cyrus Shank 803 DS-275 Dual Assembly Without Unions, 1/2", 3/4", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  10. Cyrus Shank 803 DS-325 Dual Assembly Without Unions, 1/2 Cyrus Shank 803 DS-325 Dual Assembly Without Unions, 1/2
    Cyrus Shank 803 DS-325 Dual Assembly Without Unions, 1/2", 3/4", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  11. Cyrus Shank 803 DS-350 Dual Assembly Without Unions, 1/2 Cyrus Shank 803 DS-350 Dual Assembly Without Unions, 1/2
    Cyrus Shank 803 DS-350 Dual Assembly Without Unions, 1/2", 3/4", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  12. Cyrus Shank 803 DS-375 Dual Assembly Without Unions, 1/2 Cyrus Shank 803 DS-375 Dual Assembly Without Unions, 1/2
    Cyrus Shank 803 DS-375 Dual Assembly Without Unions, 1/2", 3/4", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  13. Cyrus Shank 803 DS-400 Dual Assembly Without Unions, 1/2 Cyrus Shank 803 DS-400 Dual Assembly Without Unions, 1/2
    Cyrus Shank 803 DS-400 Dual Assembly Without Unions, 1/2", 3/4", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  14. Cyrus Shank 803 DS-50 Dual Assembly Without Unions, 1/2 Cyrus Shank 803 DS-50 Dual Assembly Without Unions, 1/2
    Cyrus Shank 803 DS-50 Dual Assembly Without Unions, 1/2", 3/4", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  15. Cyrus Shank 803 DS-75 Dual Assembly Without Unions, 1/2 Cyrus Shank 803 DS-75 Dual Assembly Without Unions, 1/2
    Cyrus Shank 803 DS-75 Dual Assembly Without Unions, 1/2", 3/4", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  16. Cyrus Shank 803 DU -125 Dual Assembly With Unions, 1/2 Cyrus Shank 803 DU -125 Dual Assembly With Unions, 1/2
    Cyrus Shank 803 DU -125 Dual Assembly With Unions, 1/2", 3/4", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  17. Cyrus Shank 803 DU-100 Dual Assembly With Unions, 1/2 Cyrus Shank 803 DU-100 Dual Assembly With Unions, 1/2
    Cyrus Shank 803 DU-100 Dual Assembly With Unions, 1/2", 3/4", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  18. Cyrus Shank 803 DU-150 Dual Assembly With Unions, 1/2 Cyrus Shank 803 DU-150 Dual Assembly With Unions, 1/2
    Cyrus Shank 803 DU-150 Dual Assembly With Unions, 1/2", 3/4", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  19. Cyrus Shank 803 DU-175 Dual Assembly With Unions, 1/2, 3/4, Ductile Iron Cyrus Shank 803 DU-175 Dual Assembly With Unions, 1/2, 3/4, Ductile Iron
    Cyrus Shank 803 DU-175 Dual Assembly With Unions, 1/2, 3/4, Ductile Iron
    Add to Quote to request pricing
  20. Cyrus Shank 803 DU-200 Dual Assembly With Unions, 1/2 Cyrus Shank 803 DU-200 Dual Assembly With Unions, 1/2
    Cyrus Shank 803 DU-200 Dual Assembly With Unions, 1/2", 3/4", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  21. Cyrus Shank 803 DU-225 Dual Assembly With Unions, 1/2 Cyrus Shank 803 DU-225 Dual Assembly With Unions, 1/2
    Cyrus Shank 803 DU-225 Dual Assembly With Unions, 1/2", 3/4", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  22. Cyrus Shank 803 DU-250 Dual Assembly With Unions, 1/2, 3/4, Ductile Iron Cyrus Shank 803 DU-250 Dual Assembly With Unions, 1/2, 3/4, Ductile Iron
    Cyrus Shank 803 DU-250 Dual Assembly With Unions, 1/2, 3/4, Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  23. Cyrus Shank 803 DU-275 Dual Assembly With Unions, 1/2 Cyrus Shank 803 DU-275 Dual Assembly With Unions, 1/2
    Cyrus Shank 803 DU-275 Dual Assembly With Unions, 1/2", 3/4", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  24. Cyrus Shank 803 DU-300 Dual Assembly With Unions, 1/2 Cyrus Shank 803 DU-300 Dual Assembly With Unions, 1/2
    Cyrus Shank 803 DU-300 Dual Assembly With Unions, 1/2", 3/4", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  25. Cyrus Shank 803 DU-325 Dual Assembly With Unions, 1/2 Cyrus Shank 803 DU-325 Dual Assembly With Unions, 1/2
    Cyrus Shank 803 DU-325 Dual Assembly With Unions, 1/2", 3/4", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  26. Cyrus Shank 803 DU-350 Dual Assembly With Unions, 1/2 Cyrus Shank 803 DU-350 Dual Assembly With Unions, 1/2
    Cyrus Shank 803 DU-350 Dual Assembly With Unions, 1/2", 3/4", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  27. Cyrus Shank 803 DU-375 Dual Assembly With Unions, 1/2 Cyrus Shank 803 DU-375 Dual Assembly With Unions, 1/2
    Cyrus Shank 803 DU-375 Dual Assembly With Unions, 1/2", 3/4", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  28. Cyrus Shank 803 DU-400 Dual Assembly With Unions, 1/2 Cyrus Shank 803 DU-400 Dual Assembly With Unions, 1/2
    Cyrus Shank 803 DU-400 Dual Assembly With Unions, 1/2", 3/4", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  29. Cyrus Shank 803 DU-50 Dual Assembly With Unions, 1/2 Cyrus Shank 803 DU-50 Dual Assembly With Unions, 1/2
    Cyrus Shank 803 DU-50 Dual Assembly With Unions, 1/2", 3/4", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  30. Cyrus Shank 803 DU-75 Dual Assembly With Unions, 1/2 Cyrus Shank 803 DU-75 Dual Assembly With Unions, 1/2
    Cyrus Shank 803 DU-75 Dual Assembly With Unions, 1/2", 3/4", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  31. Cyrus Shank 803-125 Safety Relief Valve, 1/2, 3/4, Ductile Iron Cyrus Shank 803-125 Safety Relief Valve, 1/2, 3/4, Ductile Iron
    Cyrus Shank 803-125 Safety Relief Valve, 1/2, 3/4, Ductile Iron
    List Price $310.90 List Price $310.90 Web Price $284.98
  32. Cyrus Shank 803-200 Safety Relief Valve, 1/2, 3/4, Ductile Iron Cyrus Shank 803-200 Safety Relief Valve, 1/2, 3/4, Ductile Iron
    SHIPS TODAY
    Cyrus Shank 803-200 Safety Relief Valve, 1/2, 3/4, Ductile Iron
    List Price $310.90 List Price $310.90 Web Price $299.23
  33. Cyrus Shank 803-225 Safety Relief Valve, 1/2, 3/4, Ductile Iron Cyrus Shank 803-225 Safety Relief Valve, 1/2, 3/4, Ductile Iron
    Cyrus Shank 803-225 Safety Relief Valve, 1/2, 3/4, Ductile Iron
    List Price $310.90 List Price $310.90 Web Price $284.98
  34. Cyrus Shank 803-275 Safety Relief Valve, 1/2, 3/4, Ductile Iron Cyrus Shank 803-275 Safety Relief Valve, 1/2, 3/4, Ductile Iron
    Cyrus Shank 803-275 Safety Relief Valve, 1/2, 3/4, Ductile Iron
    List Price $310.90 List Price $310.90 Web Price $284.98
  35. Cyrus Shank 803-325 Safety Relief Valve, 1/2 Cyrus Shank 803-325 Safety Relief Valve, 1/2
    Cyrus Shank 803-325 Safety Relief Valve, 1/2", 3/4", Ductile Iron
    List Price $310.90 List Price $310.90 Web Price $284.98
  36. Cyrus Shank 803-350 Safety Relief Valve, 1/2, 3/4, Ductile Iron Cyrus Shank 803-350 Safety Relief Valve, 1/2, 3/4, Ductile Iron
    Cyrus Shank 803-350 Safety Relief Valve, 1/2, 3/4, Ductile Iron
    List Price $310.90 List Price $310.90 Web Price $284.98
  37. Cyrus Shank 803-375 Safety Relief Valve, 1/2 Cyrus Shank 803-375 Safety Relief Valve, 1/2
    Cyrus Shank 803-375 Safety Relief Valve, 1/2", 3/4", Ductile Iron
    List Price $310.90 List Price $310.90 Web Price $284.98
  38. Cyrus Shank 803-400 Safety Relief Valve, 1/2 Cyrus Shank 803-400 Safety Relief Valve, 1/2
    Cyrus Shank 803-400 Safety Relief Valve, 1/2” FNPT Inlet x 3/4” FNPT Outlet, Ductile Iron
    List Price $310.90 List Price $310.90 Web Price $284.98
  39. Cyrus Shank 803-50 Safety Relief Valve, 1/2, 3/4, Ductile Iron Cyrus Shank 803-50 Safety Relief Valve, 1/2, 3/4, Ductile Iron
    SHIPS TODAY
    Cyrus Shank 803-50 Safety Relief Valve, 1/2, 3/4, Ductile Iron
    Add to Quote to request pricing
  40. Cyrus Shank 804 DS -125 Dual Assembly Without Unions, 3/4 Cyrus Shank 804 DS -125 Dual Assembly Without Unions, 3/4
    Cyrus Shank 804 DS -125 Dual Assembly Without Unions, 3/4", 1", Ductile Iron
    List Price $1,124.96 List Price $1,124.96 Web Price $989.46
  41. Cyrus Shank 804 DS-100 Dual Assembly Without Unions, 3/4 Cyrus Shank 804 DS-100 Dual Assembly Without Unions, 3/4
    Cyrus Shank 804 DS-100 Dual Assembly Without Unions, 3/4", 1", Ductile Iron
    List Price $1,124.96 List Price $1,124.96 Web Price $989.46
  42. Cyrus Shank 804 DS-150 Dual Assembly Without Unions, 3/4 Cyrus Shank 804 DS-150 Dual Assembly Without Unions, 3/4
    Cyrus Shank 804 DS-150 Dual Assembly Without Unions, 3/4", 1", Ductile Iron
    List Price $1,124.96 List Price $1,124.96 Web Price $989.46
  43. Cyrus Shank 804 DS-175 Dual Assembly Without Unions, 3/4, 1, Ductile Iron Cyrus Shank 804 DS-175 Dual Assembly Without Unions, 3/4, 1, Ductile Iron
    Cyrus Shank 804 DS-175 Dual Assembly Without Unions, 3/4, 1, Ductile Iron
    Add to Quote to request pricing
  44. Cyrus Shank 804 DS-200 Dual Assembly Without Unions, 3/4 Cyrus Shank 804 DS-200 Dual Assembly Without Unions, 3/4
    Cyrus Shank 804 DS-200 Dual Assembly Without Unions, 3/4", 1", Ductile Iron
    List Price $1,124.96 List Price $1,124.96 Web Price $989.46
  45. Cyrus Shank 804 DS-225 Dual Assembly Without Unions, 3/4 Cyrus Shank 804 DS-225 Dual Assembly Without Unions, 3/4
    Cyrus Shank 804 DS-225 Dual Assembly Without Unions, 3/4", 1", Ductile Iron
    List Price $1,124.96 List Price $1,124.96 Web Price $989.46
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Product Availability
  1. In Stock, Ships Today 128items
Brand
  1. Cyrus Shank 1693items
  2. Danfoss 70items
  3. Frick 68items
  4. Hansen 421items
  5. Henry 103items
  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 2605items
  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" 228items
  6. 1-1/4" FPT 1item
  7. 2" 129items
  8. 2 & 3 22items
  9. 2" & 3" 22items
  10. 2 1/2" 1item
  11. 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" 126items
  7. 2-1/2" 1item
  8. 3/4" 420items
  9. 3/4" FPT 1item
  10. 3" 1item