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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. 109169 Parker RS SRH5 Safety Relief Valve 1-1/4 109169 Parker RS SRH5 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 109169, SRV, SRH5 235PSI 1-1/4X1-1/2
    List Price $1,640.00 List Price $1,640.00 Web Price $1,043.49
  2. 109170 Parker RS SRH1 Safety Relief Valve 1/2 109170 Parker RS SRH1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 109170, SRV, SRH1 265PSI 1/2X3/4
    List Price $488.00 List Price $488.00 Web Price $325.33
  3. 109214 Parker RS SRH5 Safety Relief Valve 1-1/4 109214 Parker RS SRH5 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 109214, SRV, SRH5 175PSI 1-1/4X1-1/2
    List Price $1,640.00 List Price $1,640.00 Web Price $1,043.49
  4. 109383 Parker RS SRH5 Safety Relief Valve 1-1/4 109383 Parker RS SRH5 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 109383, SRV, SRH5 340PSI 1-1/4X1-1/2
    List Price $1,640.00 List Price $1,640.00 Web Price $1,043.49
  5. 109384 Parker RS SR3 Safety Relief Valve 3/4 109384 Parker RS SR3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 109384, SRV, SR3 362PSI 3/4X1-1/4 25BAR
    List Price $835.00 List Price $835.00 Web Price $556.67
  6. 110253 Parker RS SRH2 Safety Relief Valve 1/2 110253 Parker RS SRH2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 110253, SRV, SRH2 260PSI 1/2X1
    List Price $506.00 List Price $506.00 Web Price $337.33
  7. 110548 Parker RS SR1 Safety Relief Valve 1/2 110548 Parker RS SR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 110548, SRV, SR1 275PSI 1/2X3/4
    List Price $508.00 List Price $508.00 Web Price $338.67
  8. 110549 Parker RS SR2 Safety Relief Valve 1/2 110549 Parker RS SR2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 110549, SRV, SR2 275PSI 1/2X1
    List Price $559.00 List Price $559.00 Web Price $372.67
  9. 110572 Parker RS SR1 Safety Relief Valve 1/2 110572 Parker RS SR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 110572, SRV, SR2 225PSI 1/2X1
    List Price $559.00 List Price $559.00 Web Price $372.67
  10. 110574 Parker RS SR1LQ Safety Relief Valve 1/2 110574 Parker RS SR1LQ Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 110574, SRV, SR1LQ 75PSI 1/2X3/4
    List Price $655.00 List Price $655.00 Web Price $436.67
  11. 110575 Parker RS SR1LQ Safety Relief Valve 1/2 110575 Parker RS SR1LQ Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 110575, SRV, SR1LQ 100PSI 1/2X3/4
    List Price $655.00 List Price $655.00 Web Price $436.67
  12. 110576 Parker RS SR2LQ Safety Relief Valve 3/4 110576 Parker RS SR2LQ Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 110576, SRV, SR2LQ 75PSI 3/4X1
    List Price $677.00 List Price $677.00 Web Price $451.33
  13. 110580 Parker RS SRH4 Safety Relief Valve 1 110580 Parker RS SRH4 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 110580, SRV, SRH4 325PSI 1X1-1/4
    List Price $928.00 List Price $928.00 Web Price $615.43
  14. 110838 Parker RS SR1LQ Safety Relief Valve 1/2 110838 Parker RS SR1LQ Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 110838, SRV, SR1LQ 65PSI 1/2X3/4
    List Price $655.00 List Price $655.00 Web Price $436.67
  15. 110839 Parker RS SR1LQ Safety Relief Valve 1/2 110839 Parker RS SR1LQ Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 110839, SRV, SR1LQ 85PSI 1/2X3/4
    List Price $655.00 List Price $655.00 Web Price $436.67
  16. 110841 Parker RS SR2LQ Safety Relief Valve 3/4 110841 Parker RS SR2LQ Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 110841, SRV, SR2LQ 65PSI 3/4X1
    List Price $677.00 List Price $677.00 Web Price $451.33
  17. 110842 Parker RS SR2LQ Safety Relief Valve 3/4 110842 Parker RS SR2LQ Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 110842, SRV, SR2LQ 85PSI 3/4X1
    List Price $677.00 List Price $677.00 Web Price $451.33
  18. 111369 Parker RS SR4 Safety Relief Valve 3/4 111369 Parker RS SR4 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 111369, SRV, SR4 235PSI 3/4X1-1/2
    List Price $980.00 List Price $980.00 Web Price $647.92
  19. 111622 Parker RS CSR1 Safety Relief Valve 1/2 111622 Parker RS CSR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111622, SRV, CSR1 150PSIG 1/2X3/4
    List Price $557.00 List Price $557.00 Web Price $371.33
  20. 111623 Parker RS CSR1 Safety Relief Valve 1/2 111623 Parker RS CSR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111623, SRV, CSR1 200PSIG 1/2X3/4
    List Price $557.00 List Price $557.00 Web Price $371.33
  21. 111625 Parker RS CSR1 Safety Relief Valve 1/2 111625 Parker RS CSR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111625, SRV, CSR1 300PSIG 1/2X3/4
    List Price $557.00 List Price $557.00 Web Price $371.33
  22. 111627 Parker RS CSR1 Safety Relief Valve 1/2 111627 Parker RS CSR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111627, SRV, CSR1 400PSIG 1/2X3/4
    List Price $557.00 List Price $557.00 Web Price $371.33
  23. 111629 Parker RS CSR2 Safety Relief Valve 1/2 111629 Parker RS CSR2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111629, SRV, CSR2 200PSIG 1/2X1
    List Price $622.00 List Price $622.00 Web Price $414.67
  24. 111630 Parker RS CSR2 Safety Relief Valve 1/2 111630 Parker RS CSR2 Safety Relief Valve 1/2
    SHIPS TODAY
    Parker - Refrigerating Specialties: 111630, SRV, CSR2 250PSIG 1/2X1
    List Price $622.00 List Price $622.00 Web Price $427.11
  25. 111631 Parker RS CSR2 Safety Relief Valve 1/2 111631 Parker RS CSR2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111631, SRV, CSR2 300PSIG 1/2X1
    List Price $622.00 List Price $622.00 Web Price $414.67
  26. 111632 Parker RS CSR2 Safety Relief Valve 1/2 111632 Parker RS CSR2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111632, SRV, CSR2 350PSIG 1/2X1
    List Price $622.00 List Price $622.00 Web Price $414.67
  27. 111635 Parker RS CSRH1 Safety Relief Valve 1/2 111635 Parker RS CSRH1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111635, SRV, CSRH1 200 PSIG 1/2X3/4
    List Price $557.00 List Price $557.00 Web Price $371.33
  28. 111636 Parker RS CSRH1 Safety Relief Valve 1/2 111636 Parker RS CSRH1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111636, SRV, CSRH1 250 PSIG 1/2X3/4
    List Price $557.00 List Price $557.00 Web Price $371.33
  29. 111637 Parker RS CSRH1 Safety Relief Valve 1/2 111637 Parker RS CSRH1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111637, SRV, CSRH1 300 PSIG 1/2X3/4
    List Price $557.00 List Price $557.00 Web Price $371.33
  30. 111638 Parker RS CSRH1 Safety Relief Valve 1/2 111638 Parker RS CSRH1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111638, SRV, CSRH1 350 PSIG 1/2X3/4
    List Price $557.00 List Price $557.00 Web Price $371.33
  31. 111639 Parker RS CSRH1 Safety Relief Valve 1/2 111639 Parker RS CSRH1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111639, SRV, CSRH1 400 PSIG 1/2X3/4
    List Price $557.00 List Price $557.00 Web Price $371.33
  32. 111640 Parker RS CSRH2 Safety Relief Valve 1/2 111640 Parker RS CSRH2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111640, SRV, CSRH2 150PSIG 1/2X1
    List Price $622.00 List Price $622.00 Web Price $414.67
  33. 111641 Parker RS CSRH2 Safety Relief Valve 1/2 111641 Parker RS CSRH2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111641, SRV, CSRH2 200PSIG 1/2X1
    List Price $622.00 List Price $622.00 Web Price $414.67
  34. 111642 Parker RS CSRH2 Safety Relief Valve 1/2 111642 Parker RS CSRH2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111642, SRV, CSRH2 250PSIG 1/2X1
    List Price $622.00 List Price $622.00 Web Price $414.67
  35. 111643 Parker RS CSRH2 Safety Relief Valve 1/2 111643 Parker RS CSRH2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111643, SRV, CSRH2 300PSIG 1/2X1
    List Price $622.00 List Price $622.00 Web Price $414.67
  36. 111644 Parker RS CSRH2 Safety Relief Valve 1/2 111644 Parker RS CSRH2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111644, SRV, CSRH2 350PSIG 1/2X1
    List Price $622.00 List Price $622.00 Web Price $414.67
  37. 111646 Parker RS CSRH3 Safety Relief Valve 3/4 111646 Parker RS CSRH3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 111646, SRV, CSRH3 150PSIG 3/4X1
    Add to Quote to request pricing
  38. 111647 Parker RS CSRH3 Safety Relief Valve 3/4 111647 Parker RS CSRH3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 111647, SRV, CSRH3 200PSIG 3/4X1
    List Price $750.00 List Price $750.00 Web Price $500.00
  39. 111649 Parker RS CSRH3 Safety Relief Valve 3/4 111649 Parker RS CSRH3 Safety Relief Valve 3/4
    SHIPS TODAY
    Parker - Refrigerating Specialties: 111649, SRV, CSRH3 300PSIG 3/4X1
    List Price $750.00 List Price $750.00 Web Price $515.00
  40. 111650 Parker RS CSRH3 Safety Relief Valve 3/4 111650 Parker RS CSRH3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 111650, SRV, CSRH3 350PSIG 3/4X1
    List Price $750.00 List Price $750.00 Web Price $500.00
  41. 111651 Parker RS CSRH3 Safety Relief Valve 3/4 111651 Parker RS CSRH3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 111651, SRV, CSRH3 400PSIG 3/4X1
    List Price $750.00 List Price $750.00 Web Price $500.00
  42. 112020 Parker RS SRH3 Safety Relief Valve 3/4 112020 Parker RS SRH3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112020, SRV, SRH3 180PSI 3/4X1
    List Price $647.00 List Price $647.00 Web Price $431.33
  43. 112050 Parker RS SRH2 Safety Relief Valve 1/2 112050 Parker RS SRH2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 112050, SRV, SRH2 180PSI 1/2X1
    List Price $506.00 List Price $506.00 Web Price $337.33
  44. 112101 Parker RS SRH5 Safety Relief Valve 1-1/4 112101 Parker RS SRH5 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 112101, SRV, SRH5 265PSI 1-1/4X1-1/2
    List Price $1,640.00 List Price $1,640.00 Web Price $1,043.49
  45. 112142 Parker RS SR4 Safety Relief Valve 3/4 112142 Parker RS SR4 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112142, SRV, SR4 175PSI 3/4X1-1/2
    List Price $980.00 List Price $980.00 Web Price $647.92
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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