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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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5576 items

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  1. Cyrus Shank 805R QR-275 Safety Relief Valve, 1 Cyrus Shank 805R QR-275 Safety Relief Valve, 1
    Cyrus Shank 805R QR-275 Safety Relief Valve, 1", 1 1/4", Stainless Steel
    List Price $1,024.53 List Price $1,024.53 Web Price $908.31
  2. Cyrus Shank 805R QR-300 Safety Relief Valve, 1, 1 1/4, Stainless Steel Cyrus Shank 805R QR-300 Safety Relief Valve, 1, 1 1/4, Stainless Steel
    Cyrus Shank 805R QR-300 Safety Relief Valve, 1, 1 1/4, Stainless Steel
    List Price $1,024.53 List Price $1,024.53 Web Price $908.31
  3. Cyrus Shank 805R QR-325 Safety Relief Valve, 1 Cyrus Shank 805R QR-325 Safety Relief Valve, 1
    Cyrus Shank 805R QR-325 Safety Relief Valve, 1", 1 1/4", Stainless Steel
    List Price $1,024.53 List Price $1,024.53 Web Price $908.31
  4. Cyrus Shank 805R QR-350 Safety Relief Valve, 1 Cyrus Shank 805R QR-350 Safety Relief Valve, 1
    Cyrus Shank 805R QR-350 Safety Relief Valve, 1", 1 1/4", Stainless Steel
    List Price $1,024.53 List Price $1,024.53 Web Price $908.31
  5. Cyrus Shank 805R QR-375 Safety Relief Valve, 1 Cyrus Shank 805R QR-375 Safety Relief Valve, 1
    Cyrus Shank 805R QR-375 Safety Relief Valve, 1", 1 1/4", Stainless Steel
    List Price $1,024.53 List Price $1,024.53 Web Price $908.31
  6. Cyrus Shank 805R QR-400 Safety Relief Valve, 1 Cyrus Shank 805R QR-400 Safety Relief Valve, 1
    Cyrus Shank 805R QR-400 Safety Relief Valve, 1", 1 1/4", Stainless Steel
    List Price $1,024.53 List Price $1,024.53 Web Price $908.31
  7. Cyrus Shank 805R QR-75 Safety Relief Valve, 1 Cyrus Shank 805R QR-75 Safety Relief Valve, 1
    Cyrus Shank 805R QR-75 Safety Relief Valve, 1", 1 1/4", Stainless Steel
    List Price $1,024.53 List Price $1,024.53 Web Price $908.31
  8. Cyrus Shank 805R-100 Safety Relief Valve, 1 Cyrus Shank 805R-100 Safety Relief Valve, 1
    Cyrus Shank 805R-100 Safety Relief Valve, 1", 1 1/4", Ductile Iron
    List Price $571.29 List Price $571.29 Web Price $523.68
  9. Cyrus Shank 805R-125 Safety Relief Valve, 1 Cyrus Shank 805R-125 Safety Relief Valve, 1
    Cyrus Shank 805R-125 Safety Relief Valve, 1", 1 1/4", Ductile Iron
    List Price $571.29 List Price $571.29 Web Price $523.68
  10. Cyrus Shank 805R-175 Safety Relief Valve, 1, 1 1/4, Ductile Iron Cyrus Shank 805R-175 Safety Relief Valve, 1, 1 1/4, Ductile Iron
    Cyrus Shank 805R-175 Safety Relief Valve, 1, 1 1/4, Ductile Iron
    Add to Quote to request pricing
  11. Cyrus Shank 805R-200 Safety Relief Valve, 1 Cyrus Shank 805R-200 Safety Relief Valve, 1
    Cyrus Shank 805R-200 Safety Relief Valve, 1", 1 1/4", Ductile Iron
    List Price $571.29 List Price $571.29 Web Price $523.68
  12. Cyrus Shank 805R-225 Safety Relief Valve, 1 Cyrus Shank 805R-225 Safety Relief Valve, 1
    Cyrus Shank 805R-225 Safety Relief Valve, 1", 1 1/4", Ductile Iron
    List Price $571.29 List Price $571.29 Web Price $523.68
  13. Cyrus Shank 805R-250 Safety Relief Valve, 1, 1 1/4, Ductile Iron Cyrus Shank 805R-250 Safety Relief Valve, 1, 1 1/4, Ductile Iron
    Cyrus Shank 805R-250 Safety Relief Valve, 1, 1 1/4, Ductile Iron
    List Price $571.29 List Price $571.29 Web Price $523.68
  14. Cyrus Shank 805R-275 Safety Relief Valve, 1 Cyrus Shank 805R-275 Safety Relief Valve, 1
    Cyrus Shank 805R-275 Safety Relief Valve, 1", 1 1/4", Ductile Iron
    List Price $571.29 List Price $571.29 Web Price $523.68
  15. Cyrus Shank 805R-300 Safety Relief Valve, 1, 1 1/4, Ductile Iron Cyrus Shank 805R-300 Safety Relief Valve, 1, 1 1/4, Ductile Iron
    Cyrus Shank 805R-300 Safety Relief Valve, 1, 1 1/4, Ductile Iron
    List Price $571.29 List Price $571.29 Web Price $523.68
  16. Cyrus Shank 805R-325 Safety Relief Valve, 1 Cyrus Shank 805R-325 Safety Relief Valve, 1
    Cyrus Shank 805R-325 Safety Relief Valve, 1", 1 1/4", Ductile Iron
    List Price $571.29 List Price $571.29 Web Price $523.68
  17. Cyrus Shank 805R-350 Safety Relief Valve, 1 Cyrus Shank 805R-350 Safety Relief Valve, 1
    Cyrus Shank 805R-350 Safety Relief Valve, 1", 1 1/4", Ductile Iron
    List Price $571.29 List Price $571.29 Web Price $523.68
  18. Cyrus Shank 805R-375 Safety Relief Valve, 1 Cyrus Shank 805R-375 Safety Relief Valve, 1
    Cyrus Shank 805R-375 Safety Relief Valve, 1", 1 1/4", Ductile Iron
    List Price $571.29 List Price $571.29 Web Price $523.68
  19. Cyrus Shank 805R-400 Safety Relief Valve, 1 Cyrus Shank 805R-400 Safety Relief Valve, 1
    Cyrus Shank 805R-400 Safety Relief Valve, 1", 1 1/4", Ductile Iron
    List Price $571.29 List Price $571.29 Web Price $523.68
  20. Cyrus Shank 805R-75 Safety Relief Valve, 1 Cyrus Shank 805R-75 Safety Relief Valve, 1
    Cyrus Shank 805R-75 Safety Relief Valve, 1", 1 1/4", Ductile Iron
    List Price $571.29 List Price $571.29 Web Price $523.68
  21. Cyrus Shank 812 DS -125 Dual Assembly Without Unions, 1/2 Cyrus Shank 812 DS -125 Dual Assembly Without Unions, 1/2
    Cyrus Shank 812 DS -125 Dual Assembly Without Unions, 1/2", 1", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  22. Cyrus Shank 812 DS-100 Dual Assembly Without Unions, 1/2 Cyrus Shank 812 DS-100 Dual Assembly Without Unions, 1/2
    Cyrus Shank 812 DS-100 Dual Assembly Without Unions, 1/2", 1", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  23. Cyrus Shank 812 DS-150 Dual Assembly Without Unions, 1/2 Cyrus Shank 812 DS-150 Dual Assembly Without Unions, 1/2
    Cyrus Shank 812 DS-150 Dual Assembly Without Unions, 1/2", 1", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  24. Cyrus Shank 812 DS-175 Dual Assembly Without Unions, 1/2, 1, Ductile Iron Cyrus Shank 812 DS-175 Dual Assembly Without Unions, 1/2, 1, Ductile Iron
    Cyrus Shank 812 DS-175 Dual Assembly Without Unions, 1/2, 1, Ductile Iron
    Add to Quote to request pricing
  25. Cyrus Shank 812 DS-200 Dual Assembly Without Unions, 1/2 Cyrus Shank 812 DS-200 Dual Assembly Without Unions, 1/2
    Cyrus Shank 812 DS-200 Dual Assembly Without Unions, 1/2", 1", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  26. Cyrus Shank 812 DS-225 Dual Assembly Without Unions, 1/2 Cyrus Shank 812 DS-225 Dual Assembly Without Unions, 1/2
    Cyrus Shank 812 DS-225 Dual Assembly Without Unions, 1/2", 1", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  27. Cyrus Shank 812 DS-250 Dual Assembly Without Unions, 1/2, 1, Ductile Iron Cyrus Shank 812 DS-250 Dual Assembly Without Unions, 1/2, 1, Ductile Iron
    Cyrus Shank 812 DS-250 Dual Assembly Without Unions, 1/2, 1, Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  28. Cyrus Shank 812 DS-275 Dual Assembly Without Unions, 1/2 Cyrus Shank 812 DS-275 Dual Assembly Without Unions, 1/2
    Cyrus Shank 812 DS-275 Dual Assembly Without Unions, 1/2", 1", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  29. Cyrus Shank 812 DS-325 Dual Assembly Without Unions, 1/2 Cyrus Shank 812 DS-325 Dual Assembly Without Unions, 1/2
    Cyrus Shank 812 DS-325 Dual Assembly Without Unions, 1/2", 1", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  30. Cyrus Shank 812 DS-350 Dual Assembly Without Unions, 1/2 Cyrus Shank 812 DS-350 Dual Assembly Without Unions, 1/2
    Cyrus Shank 812 DS-350 Dual Assembly Without Unions, 1/2", 1", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  31. Cyrus Shank 812 DS-375 Dual Assembly Without Unions, 1/2 Cyrus Shank 812 DS-375 Dual Assembly Without Unions, 1/2
    Cyrus Shank 812 DS-375 Dual Assembly Without Unions, 1/2", 1", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  32. Cyrus Shank 812 DS-400 Dual Assembly Without Unions, 1/2 Cyrus Shank 812 DS-400 Dual Assembly Without Unions, 1/2
    Cyrus Shank 812 DS-400 Dual Assembly Without Unions, 1/2", 1", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  33. Cyrus Shank 812 DS-75 Dual Assembly Without Unions, 1/2 Cyrus Shank 812 DS-75 Dual Assembly Without Unions, 1/2
    Cyrus Shank 812 DS-75 Dual Assembly Without Unions, 1/2", 1", Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  34. Cyrus Shank 812 DU -125 Dual Assembly With Unions, 1/2 Cyrus Shank 812 DU -125 Dual Assembly With Unions, 1/2
    Cyrus Shank 812 DU -125 Dual Assembly With Unions, 1/2", 1", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  35. Cyrus Shank 812 DU-100 Dual Assembly With Unions, 1/2 Cyrus Shank 812 DU-100 Dual Assembly With Unions, 1/2
    Cyrus Shank 812 DU-100 Dual Assembly With Unions, 1/2", 1", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  36. Cyrus Shank 812 DU-150 Dual Assembly With Unions, 1/2 Cyrus Shank 812 DU-150 Dual Assembly With Unions, 1/2
    Cyrus Shank 812 DU-150 Dual Assembly With Unions, 1/2", 1", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  37. Cyrus Shank 812 DU-175 Dual Assembly With Unions, 1/2, 1, Ductile Iron Cyrus Shank 812 DU-175 Dual Assembly With Unions, 1/2, 1, Ductile Iron
    Cyrus Shank 812 DU-175 Dual Assembly With Unions, 1/2, 1, Ductile Iron
    Add to Quote to request pricing
  38. Cyrus Shank 812 DU-200 Dual Assembly With Unions, 1/2 Cyrus Shank 812 DU-200 Dual Assembly With Unions, 1/2
    Cyrus Shank 812 DU-200 Dual Assembly With Unions, 1/2", 1", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  39. Cyrus Shank 812 DU-225 Dual Assembly With Unions, 1/2 Cyrus Shank 812 DU-225 Dual Assembly With Unions, 1/2
    Cyrus Shank 812 DU-225 Dual Assembly With Unions, 1/2", 1", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  40. Cyrus Shank 812 DU-250 Dual Assembly With Unions, 1/2, 1, Ductile Iron Cyrus Shank 812 DU-250 Dual Assembly With Unions, 1/2, 1, Ductile Iron
    Cyrus Shank 812 DU-250 Dual Assembly With Unions, 1/2, 1, Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  41. Cyrus Shank 812 DU-275 Dual Assembly With Unions, 1/2 Cyrus Shank 812 DU-275 Dual Assembly With Unions, 1/2
    Cyrus Shank 812 DU-275 Dual Assembly With Unions, 1/2", 1", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  42. Cyrus Shank 812 DU-300 Dual Assembly With Unions, 1/2, 1, Ductile Iron Cyrus Shank 812 DU-300 Dual Assembly With Unions, 1/2, 1, Ductile Iron
    Cyrus Shank 812 DU-300 Dual Assembly With Unions, 1/2, 1, Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  43. Cyrus Shank 812 DU-325 Dual Assembly With Unions, 1/2 Cyrus Shank 812 DU-325 Dual Assembly With Unions, 1/2
    Cyrus Shank 812 DU-325 Dual Assembly With Unions, 1/2", 1", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  44. Cyrus Shank 812 DU-350 Dual Assembly With Unions, 1/2 Cyrus Shank 812 DU-350 Dual Assembly With Unions, 1/2
    Cyrus Shank 812 DU-350 Dual Assembly With Unions, 1/2", 1", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
  45. Cyrus Shank 812 DU-375 Dual Assembly With Unions, 1/2 Cyrus Shank 812 DU-375 Dual Assembly With Unions, 1/2
    Cyrus Shank 812 DU-375 Dual Assembly With Unions, 1/2", 1", Ductile Iron
    List Price $1,562.21 List Price $1,562.21 Web Price $1,282.40
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Product Availability
  1. In Stock, Ships Today 258items
Brand
  1. Cyrus Shank 3385items
  2. Danfoss 139items
  3. Frick 136items
  4. Hansen 813items
  5. Henry 208items
  6. Hussmann 6items
  7. Ingersoll Rand 20items
  8. Kunkle 4items
  9. Parker 32items
  10. R-EADY Brand 10items
  11. Parker - Refrigerating Specialties (RS) 782items
  12. REGO 2items
  13. Tattle 44items
  14. Vilter 8items
Category
  1. Dual Cartridge Relief Valve Kits 80items
  2. Gauges 2items
  3. Kits 4items
  4. O-Rings 4items
  5. Oil Temperature Valves 110items
  6. Parts 14items
  7. Quote Only 2items
  8. Relief Valves 5180items
  9. Relief Valve Parts 106items
  10. Relief Valve Rupture Discs 16items
  11. Relief Vent Indicators 44items
  12. Replacement Parts 6items
  13. Safety Relief Valves 12items
Outlet Connection
  1. 3/4" 1390items
  2. 1" 856items
  3. 1-1/4" 392items
  4. 1" FPT 4items
  5. 1 1/2" 458items
  6. 1-1/2" FPT 2items
  7. 1-1/4" FPT 2items
  8. 2" 258items
  9. 2 & 3 44items
  10. 2" & 3" 44items
  11. 2 1/2" 2items
  12. 3" 2items
Relief Pressure Setting
  1. 50 36items
  2. 75 270items
  3. 100 214items
  4. 125 216items
  5. 150 262items
  6. 175 266items
  7. 200 272items
  8. 225 276items
  9. 250 282items
  10. 275 308items
  11. 300 282items
  12. 325 272items
  13. 350 274items
  14. 375 276items
  15. 400 272items
  16. 12 bar 4items
  17. 12.5 bar 4items
  18. 17 bar 4items
  19. 24 bar 4items
  20. 31 bar 6items
  21. 88.64 psi 2items
  22. 175 psi 10items
  23. 180 psi 4items
  24. 190 psi 2items
  25. 210 psi 2items
  26. 214 psi 4items
  27. 225 psi 10items
  28. 230 psi 2items
  29. 235 psi 2items
  30. 255 psi 2items
  31. 265 psi 6items
  32. 275 psi 12items
  33. 290 psi 2items
  34. 330 psi 4items
  35. 350 psi 4items
  36. 375 psi 4items
  37. 150 psig 24items
  38. 150 psig (marked with CE) 2items
  39. 165 psig 4items
  40. 175 psig 4items
  41. 180 psig 4items
  42. 190 psig 4items
  43. 200 psig 32items
  44. 200 psig (marked with CE) 2items
  45. 225 psig 36items
  46. 225 psig (marked with CE) 4items
  47. 250 psig 36items
  48. 250 psig (marked with CE) 12items
  49. 260 psig 4items
  50. 265 psig 4items
  51. 275 psig 40items
  52. 280 psig 4items
  53. 300 psig (marked with CE) 4items
  54. 300 psig 28items
  55. 325 psig 4items
  56. 350 psig 28items
  57. 375 psig 4items
  58. 400 psig (marked with CE) 2items
  59. 400 psig 32items
Inlet
  1. 1/2" 1662items
  2. 1/2" FPT 2items
  3. 1" 650items
  4. 1" FPT 2items
  5. 1-1/2" 44items
  6. 1-1/4" 254items
  7. 1-1/4" FPT 2items
  8. 2-1/2" 2items
  9. 3/4" 840items
  10. 3/4" FPT 2items
  11. 3" 2items