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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. 112160 Parker RS CSRH3 Safety Relief Valve 3/4 112160 Parker RS CSRH3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112160, SRV, CSRH3 175PSIG 3/4X1
    List Price $853.00 List Price $853.00 Web Price $568.23
  2. 112428 Parker RS SRH4 Safety Relief Valve 1 112428 Parker RS SRH4 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 112428, SRV, SRH4 255PSI 1X1-1/4
    List Price $928.00 List Price $928.00 Web Price $615.43
  3. 112448 Parker RS CSR1 Safety Relief Valve 1/2 112448 Parker RS CSR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 112448, SRV, CSR1 275PSI 1/2X3/4
    List Price $660.00 List Price $660.00 Web Price $440.00
  4. 112460 Parker RS CSR3 Safety Relief Valve 3/4 112460 Parker RS CSR3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112460, SRV, CSR3 150PSIG 3/4X1-1/4
    List Price $893.00 List Price $893.00 Web Price $593.46
  5. 112461 Parker RS CSR3 Safety Relief Valve 3/4 112461 Parker RS CSR3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112461, SRV, CSR3 200PSIG 3/4X1-1/4
    List Price $893.00 List Price $893.00 Web Price $593.46
  6. 112462 Parker RS CSR3 Safety Relief Valve 3/4 112462 Parker RS CSR3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112462, SRV, CSR3 250PSIG 3/4X1-1/4
    List Price $893.00 List Price $893.00 Web Price $593.46
  7. 112464 Parker RS CSR3 Safety Relief Valve 3/4 112464 Parker RS CSR3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112464, SRV, CSR3 350PSIG 3/4X1-1/4
    List Price $893.00 List Price $893.00 Web Price $593.46
  8. 112465 Parker RS CSR3 Safety Relief Valve 3/4 112465 Parker RS CSR3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112465, SRV, CSR3 400PSIG 3/4X1-1/4
    List Price $893.00 List Price $893.00 Web Price $593.46
  9. 112466 Parker RS CSR4 Safety Relief Valve 3/4 112466 Parker RS CSR4 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112466, SRV, CSR4 150PSIG 3/4X1-1/2
    List Price $1,037.00 List Price $1,037.00 Web Price $683.30
  10. 112467 Parker RS CSR4 Safety Relief Valve 3/4 112467 Parker RS CSR4 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112467, SRV, CSR4 200PSIG 3/4X1-1/2
    List Price $1,037.00 List Price $1,037.00 Web Price $683.30
  11. 112468 Parker RS CSR4 Safety Relief Valve 3/4 112468 Parker RS CSR4 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112468, SRV, CSR4 250PSIG 3/4X1-1/2
    List Price $1,037.00 List Price $1,037.00 Web Price $683.30
  12. 112469 Parker RS CSR4 Safety Relief Valve 3/4 112469 Parker RS CSR4 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112469, SRV, CSR4 300PSIG 3/4X1-1/2
    List Price $1,037.00 List Price $1,037.00 Web Price $683.30
  13. 112470 Parker RS CSR4 Safety Relief Valve 3/4 112470 Parker RS CSR4 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112470, SRV, CSR4 350PSIG 3/4X1-1/2
    List Price $1,037.00 List Price $1,037.00 Web Price $683.30
  14. 112471 Parker RS CSR4 Safety Relief Valve 3/4 112471 Parker RS CSR4 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112471, SRV, CSR4 400PSIG 3/4X1-1/2
    List Price $1,037.00 List Price $1,037.00 Web Price $683.30
  15. 112472 Parker RS CSRH4 Safety Relief Valve 1 112472 Parker RS CSRH4 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 112472, SRV, CSRH4 150PSIG 1X1-1/4
    List Price $1,061.00 List Price $1,061.00 Web Price $698.12
  16. 112473 Parker RS CSRH4 Safety Relief Valve 1 112473 Parker RS CSRH4 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 112473, SRV, CSRH4 200PSIG 1X1-1/4
    List Price $1,061.00 List Price $1,061.00 Web Price $698.12
  17. 112474 Parker RS CSRH4 Safety Relief Valve 1 112474 Parker RS CSRH4 Safety Relief Valve 1
    SHIPS TODAY
    Parker - Refrigerating Specialties: 112474, SRV, CSRH4 250PSIG 1X1-1/4
    List Price $1,061.00 List Price $1,061.00 Web Price $719.07
  18. 112475 Parker RS CSRH4 Safety Relief Valve 1 112475 Parker RS CSRH4 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 112475, SRV, CSRH4 300PSIG 1X1-1/4
    List Price $1,061.00 List Price $1,061.00 Web Price $698.12
  19. 112476 Parker RS CSRH4 Safety Relief Valve 1 112476 Parker RS CSRH4 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 112476, SRV, CSRH4 350PSIG 1X1-1/4
    List Price $1,061.00 List Price $1,061.00 Web Price $698.12
  20. 112477 Parker RS CSRH5 Safety Relief Valve 1 1/4 112477 Parker RS CSRH5 Safety Relief Valve 1 1/4
    Parker - Refrigerating Specialties: 112477, SRV, CSRH5 150PSIG 1-1/4X1-1/2
    List Price $2,139.00 List Price $2,139.00 Web Price $1,277.01
  21. 112478 Parker RS CSRH5 Safety Relief Valve 1 1/4 112478 Parker RS CSRH5 Safety Relief Valve 1 1/4
    Parker - Refrigerating Specialties: 112478, SRV, CSRH5 200PSIG 1-1/4X1-1/2
    List Price $2,139.00 List Price $2,139.00 Web Price $1,277.01
  22. 112480 Parker RS CSRH5 Safety Relief Valve 1 1/4 112480 Parker RS CSRH5 Safety Relief Valve 1 1/4
    Parker - Refrigerating Specialties: 112480, SRV, CSRH5 300PSIG 1-1/4X1-1/2
    List Price $2,139.00 List Price $2,139.00 Web Price $1,277.01
  23. 112481 Parker RS CSRH5 Safety Relief Valve 1 1/4 112481 Parker RS CSRH5 Safety Relief Valve 1 1/4
    Parker - Refrigerating Specialties: 112481, SRV, CSRH5 350PSIG 1-1/4X1-1/2
    List Price $2,139.00 List Price $2,139.00 Web Price $1,277.01
  24. 112489 Parker RS SRH4 Safety Relief Valve 1 112489 Parker RS SRH4 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 112489, SRV, SRH4 275PSI 1X1-1/4
    List Price $928.00 List Price $928.00 Web Price $615.43
  25. 112500 Parker RS SRH4 Safety Relief Valve 1 112500 Parker RS SRH4 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 112500, SRV, SRH4 190PSI 1X1-1/4
    List Price $928.00 List Price $928.00 Web Price $615.43
  26. 112507 Parker RS CSR1 Safety Relief Valve 1/2 112507 Parker RS CSR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 112507, SRV, CSR1 380PSIG 1/2X3/4
    List Price $660.00 List Price $660.00 Web Price $440.00
  27. 112548 Parker RS CSRH1 Safety Relief Valve 1/2 112548 Parker RS CSRH1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 112548, SRV, CSRH1 175 PSIG 1/2X3/4
    List Price $660.00 List Price $660.00 Web Price $440.00
  28. 112704 Parker RS SRH3 Safety Relief Valve 3/4 112704 Parker RS SRH3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112704, SRV, SRH3 280PSI 3/4X1
    List Price $647.00 List Price $647.00 Web Price $431.33
  29. 112705 Parker RS SRH3 Safety Relief Valve 3/4 112705 Parker RS SRH3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 112705, SRV, SRH3 190PSI 3/4X1
    List Price $647.00 List Price $647.00 Web Price $431.33
  30. 112706 Parker RS CSRH4 Safety Relief Valve 1 112706 Parker RS CSRH4 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 112706, SRV, CSRH4 225PSIG 1X1-1/4
    List Price $1,164.00 List Price $1,164.00 Web Price $761.27
  31. 112758 Parker RS CSR1 Safety Relief Valve 1/2 112758 Parker RS CSR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 112758, SRV, CSR1 225PSIG 1/2X3/4
    List Price $660.00 List Price $660.00 Web Price $440.00
  32. 112777 Parker RS SRH4 Safety Relief Valve 1 112777 Parker RS SRH4 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 112777, SRV, SRH4 235PSI 1X1-1/4
    List Price $928.00 List Price $928.00 Web Price $615.43
  33. 209783 Parker RS Cartridge Parts Kit for CSRH1 150 psi- image 1 209783 Parker RS Cartridge Parts Kit for CSRH1 150 psi- image 1
    Parker - Refrigerating Specialties: 209783, CRT KT,CSRH1 150PSIG
    List Price $513.00 List Price $513.00 Web Price $342.00
  34. 209784 Parker RS Cartridge Parts Kit for CSRH1 200 psi- image 1 209784 Parker RS Cartridge Parts Kit for CSRH1 200 psi- image 1
    Parker - Refrigerating Specialties: 209784, CRT KT,CSRH1 200PSIG
    List Price $513.00 List Price $513.00 Web Price $342.00
  35. 209785 Parker RS Cartridge Parts Kit for CSRH1 250 psi- image 1 209785 Parker RS Cartridge Parts Kit for CSRH1 250 psi- image 1
    Parker - Refrigerating Specialties: 209785, CRT KT,CSRH1 250PSIG
    List Price $513.00 List Price $513.00 Web Price $342.00
  36. 209786 Parker RS Cartridge Parts Kit for CSRH1 300 psi- image 1 209786 Parker RS Cartridge Parts Kit for CSRH1 300 psi- image 1
    Parker - Refrigerating Specialties: 209786, CRT KT,CSRH1 300PSIG
    List Price $513.00 List Price $513.00 Web Price $342.00
  37. 209787 Parker RS Cartridge Parts Kit for CSRH1 350 psi- image 1 209787 Parker RS Cartridge Parts Kit for CSRH1 350 psi- image 1
    Parker - Refrigerating Specialties: 209787, CRT KT,CSRH1 350PSIG
    List Price $513.00 List Price $513.00 Web Price $342.00
  38. 209788 Parker RS Cartridge Parts Kit for CSRH1 400 psi- image 1 209788 Parker RS Cartridge Parts Kit for CSRH1 400 psi- image 1
    Parker - Refrigerating Specialties: 209788, CRT KT,CSRH1 400PSIG
    List Price $513.00 List Price $513.00 Web Price $342.00
  39. 209789 Parker RS Cartridge Parts Kit for CSRH2 150 psi- image 1 209789 Parker RS Cartridge Parts Kit for CSRH2 150 psi- image 1
    Parker - Refrigerating Specialties: 209789, CRT KT,CSRH2 150PSIG
    List Price $561.00 List Price $561.00 Web Price $374.00
  40. 209790 Parker RS Cartridge Parts Kit for CSRH2 200 psi- image 1 209790 Parker RS Cartridge Parts Kit for CSRH2 200 psi- image 1
    Parker - Refrigerating Specialties: 209790, CRT KT,CSRH2 200PSIG
    List Price $561.00 List Price $561.00 Web Price $374.00
  41. 209791 Parker RS Cartridge Parts Kit for CSRH2 250 psi- image 1 209791 Parker RS Cartridge Parts Kit for CSRH2 250 psi- image 1
    Parker - Refrigerating Specialties: 209791, CRT KT,CSRH2 250PSIG
    List Price $561.00 List Price $561.00 Web Price $374.00
  42. 209792 Parker RS Cartridge Parts Kit for CSRH2 300 psi- image 1 209792 Parker RS Cartridge Parts Kit for CSRH2 300 psi- image 1
    Parker - Refrigerating Specialties: 209792, CRT KT,CSRH2 300PSIG
    List Price $561.00 List Price $561.00 Web Price $374.00
  43. 209793 Parker RS Cartridge Parts Kit for CSRH2 350 psi- image 1 209793 Parker RS Cartridge Parts Kit for CSRH2 350 psi- image 1
    Parker - Refrigerating Specialties: 209793, CRT KT,CSRH2 350PSIG
    List Price $561.00 List Price $561.00 Web Price $374.00
  44. 209794 Parker RS Cartridge Parts Kit for CSRH2 400 psi- image 1 209794 Parker RS Cartridge Parts Kit for CSRH2 400 psi- image 1
    Parker - Refrigerating Specialties: 209794, CRT KT,CSRH2 400PSIG
    List Price $561.00 List Price $561.00 Web Price $374.00
  45. 209796 Parker RS Cartridge Parts Kit for CSRH3 200 psi- image 1 209796 Parker RS Cartridge Parts Kit for CSRH3 200 psi- image 1
    Parker - Refrigerating Specialties: 209796, CRT KT,CSRH3 200PSIG
    List Price $686.00 List Price $686.00 Web Price $457.33
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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