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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. 102721 Parker RS H3 Safety Relief Valve 1 102721 Parker RS H3 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 102721, SRV, 3/4 H3 235PSI
    List Price $2,000.00 List Price $2,000.00 Web Price $1,194.03
  2. 102743 Parker RS H4 Safety Relief Valve 1-1/4 102743 Parker RS H4 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 102743, SRV, 1 H4 60PSI
    List Price $2,517.00 List Price $2,517.00 Web Price $1,502.69
  3. 102787 Parker RS H2 Safety Relief Valve 3/4 102787 Parker RS H2 Safety Relief Valve 3/4
    SHIPS TODAY
    Parker - Refrigerating Specialties: 102787, SRV, 1/2 H2 190PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $940.00
  4. 102799 Parker RS H3 Safety Relief Valve 1 102799 Parker RS H3 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 102799, SRV, 3/4 H3 70PSI
    List Price $2,000.00 List Price $2,000.00 Web Price $1,194.03
  5. 102858 Parker RS H3 Safety Relief Valve 1 102858 Parker RS H3 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 102858, SRV, 3/4 H3 90PSI
    List Price $2,000.00 List Price $2,000.00 Web Price $1,194.03
  6. 103020 Parker RS H3 Safety Relief Valve 1 103020 Parker RS H3 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 103020, SRV, 3/4 H3 180PSI
    List Price $2,000.00 List Price $2,000.00 Web Price $1,194.03
  7. 103085 Parker RS H2 Safety Relief Valve 3/4 103085 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 103085, SRV, 1/2 H2 135PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  8. 103086 Parker RS H4 Safety Relief Valve 1-1/4 103086 Parker RS H4 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 103086, SRV, 1 H4 213PSI
    List Price $2,517.00 List Price $2,517.00 Web Price $1,502.69
  9. 103154 Parker RS H2 Safety Relief Valve 3/4 103154 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 103154, SRV, 1/2 H2 110PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  10. 103170 Parker RS H3 Safety Relief Valve 1 103170 Parker RS H3 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 103170, SRV, 3/4 H3 270PSI
    List Price $2,000.00 List Price $2,000.00 Web Price $1,194.03
  11. 103179 Parker RS H3 Safety Relief Valve 1 103179 Parker RS H3 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 103179, SRV, 3/4 H3 220PSI
    List Price $2,000.00 List Price $2,000.00 Web Price $1,194.03
  12. 103183 Parker RS H3 Safety Relief Valve 1 103183 Parker RS H3 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 103183, SRV, 3/4 H3 135PSI
    List Price $2,000.00 List Price $2,000.00 Web Price $1,194.03
  13. 103225 Parker RS H4 Safety Relief Valve 1-1/4 103225 Parker RS H4 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 103225, SRV, 1 H4 265PSI
    List Price $2,517.00 List Price $2,517.00 Web Price $1,502.69
  14. 103242 Parker RS H5 Safety Relief Valve 1-1/4 103242 Parker RS H5 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 103242, SRV, 1-1/4 H5 240PSI
    List Price $3,247.00 List Price $3,247.00 Web Price $1,938.51
  15. 103243 Parker RS H3 Safety Relief Valve 1 103243 Parker RS H3 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 103243, SRV, 3/4 H3 240PSI
    List Price $2,000.00 List Price $2,000.00 Web Price $1,194.03
  16. 103244 Parker RS H3 Safety Relief Valve 1 103244 Parker RS H3 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 103244, SRV, 3/4 H3 120PSI
    List Price $2,000.00 List Price $2,000.00 Web Price $1,194.03
  17. 103264 Parker RS H3 Safety Relief Valve 1 103264 Parker RS H3 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 103264, SRV, 3/4 H3 265PSI
    List Price $2,000.00 List Price $2,000.00 Web Price $1,194.03
  18. 103288 Parker RS H2 Safety Relief Valve 3/4 103288 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 103288, SRV, 1/2 H2 180PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  19. 103289 Parker RS H4 Safety Relief Valve 1-1/4 103289 Parker RS H4 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 103289, SRV, 1 H4 135PSI
    List Price $2,517.00 List Price $2,517.00 Web Price $1,502.69
  20. 103483 Parker RS H2 Safety Relief Valve 3/4 103483 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 103483, SRV, 1/2 H2 245PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  21. 103487 Parker RS H2 Safety Relief Valve 3/4 103487 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 103487, SRV, 1/2 H2 65PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  22. 103489 Parker RS H5 Safety Relief Valve 1-1/4 103489 Parker RS H5 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 103489, SRV, 1-1/4 H5 65PSI
    List Price $3,247.00 List Price $3,247.00 Web Price $1,938.51
  23. 103493 Parker RS H4 Safety Relief Valve 1-1/4 103493 Parker RS H4 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 103493, SRV, 1 H4 190PSI
    List Price $2,517.00 List Price $2,517.00 Web Price $1,502.69
  24. 103532 Parker RS H5 Safety Relief Valve 1-1/4 103532 Parker RS H5 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 103532, SRV, 1-1/4 H5 265PSI
    List Price $3,247.00 List Price $3,247.00 Web Price $1,938.51
  25. 103598 Parker RS H2 Safety Relief Valve 3/4 103598 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 103598, SRV, 1/2 H2 280PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  26. 103675 Parker RS H2 Safety Relief Valve 3/4 103675 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 103675, SRV, 1/2 H2 130PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  27. 103773 Parker RS H5 Safety Relief Valve 1-1/4 103773 Parker RS H5 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 103773, SRV, 1-1/4 H5 110PSI
    List Price $3,247.00 List Price $3,247.00 Web Price $1,938.51
  28. 103892 Parker RS H2 Safety Relief Valve 3/4 103892 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 103892, SRV, 1/2 H2 55PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  29. 104153 Parker RS H4 Safety Relief Valve 1-1/4 104153 Parker RS H4 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 104153, SRV, 1 H4 120PSI
    List Price $2,517.00 List Price $2,517.00 Web Price $1,502.69
  30. 104160 Parker RS H5 Safety Relief Valve 1-1/4 104160 Parker RS H5 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 104160, SRV, 1-1/4 H5 260PSI
    List Price $3,247.00 List Price $3,247.00 Web Price $1,938.51
  31. 104280 Parker RS H3 Safety Relief Valve 1 104280 Parker RS H3 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 104280, SRV, 3/4 H3 190PSI
    List Price $2,000.00 List Price $2,000.00 Web Price $1,194.03
  32. 104300 Parker RS H3 Safety Relief Valve 1 104300 Parker RS H3 Safety Relief Valve 1
    Parker - Refrigerating Specialties: 104300, SRV, 3/4 H3 80PSI
    List Price $2,000.00 List Price $2,000.00 Web Price $1,194.03
  33. 104341 Parker RS H2 Safety Relief Valve 3/4 104341 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 104341, SRV, 1/2 H2 120PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  34. 104342 Parker RS H2 Safety Relief Valve 3/4 104342 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 104342, SRV, 1/2 H2 140PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  35. 105548 Parker RS H2 Safety Relief Valve 3/4 105548 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 105548, SRV, 1/2 H2 265PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  36. 105639 Parker RS H2 Safety Relief Valve 3/4 105639 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 105639, SRV, 1/2 H2 290PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  37. 105759 Parker RS H2 Safety Relief Valve 3/4 105759 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 105759, SRV, 1/2 H2 230PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  38. 106387 Parker RS H2 Safety Relief Valve 3/4 106387 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 106387, SRV, 1/2 H2 270PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  39. 106792 Parker RS H2 Safety Relief Valve 3/4 106792 Parker RS H2 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 106792, SRV, 1/2 H2 80PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  40. 107032 Parker RS SR1 Safety Relief Valve 1/2 107032 Parker RS SR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 107032, SRV, SR1 200PSI 1/2X3/4
    List Price $405.00 List Price $405.00 Web Price $270.00
  41. 107035 Parker RS SR1 Safety Relief Valve 1/2 107035 Parker RS SR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 107035, SRV, SR1 350PSI 1/2X3/4
    List Price $405.00 List Price $405.00 Web Price $270.00
  42. 107038 Parker RS SR2 Safety Relief Valve 1/2 107038 Parker RS SR2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 107038, SRV, SR2 200PSI 1/2X1
    List Price $456.00 List Price $456.00 Web Price $304.00
  43. 107041 Parker RS SR2 Safety Relief Valve 1/2 107041 Parker RS SR2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 107041, SRV, SR2 350PSI 1/2X1
    List Price $456.00 List Price $456.00 Web Price $304.00
  44. 107042 Parker RS SR2 Safety Relief Valve 1/2 107042 Parker RS SR2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 107042, SRV, SR2 400PSI 1/2X1
    List Price $456.00 List Price $456.00 Web Price $304.00
  45. 107043 Parker RS SR3 Safety Relief Valve 3/4 107043 Parker RS SR3 Safety Relief Valve 3/4
    Parker - Refrigerating Specialties: 107043, SRV, SR3 150PSI 3/4X1-1/4
    List Price $732.00 List Price $732.00 Web Price $488.00
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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