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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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5242 items

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  1. Cyrus Shank 804-75 Safety Relief Valve, 3/4, 1, Ductile Iron Cyrus Shank 804-75 Safety Relief Valve, 3/4, 1, Ductile Iron
    Cyrus Shank 804-75 Safety Relief Valve, 3/4, 1, Ductile Iron
    List Price $396.21 List Price $396.21 Web Price $363.20
  2. Cyrus Shank 812 DS-300 Dual Assembly Without Unions, 1/2, 1, Ductile Iron Cyrus Shank 812 DS-300 Dual Assembly Without Unions, 1/2, 1, Ductile Iron
    Cyrus Shank 812 DS-300 Dual Assembly Without Unions, 1/2, 1, Ductile Iron
    List Price $1,143.38 List Price $1,143.38 Web Price $1,004.21
  3. Cyrus Shank 812-200 Safety Relief Valve, 1/2, 1, Ductile Iron Cyrus Shank 812-200 Safety Relief Valve, 1/2, 1, Ductile Iron
    Cyrus Shank 812-200 Safety Relief Valve, 1/2, 1, Ductile Iron
    List Price $314.43 List Price $314.43 Web Price $288.23
  4. Cyrus Shank 815 DS-350 Dual Assembly Without Unions, 1 Cyrus Shank 815 DS-350 Dual Assembly Without Unions, 1
    Cyrus Shank 815 DS-350 Dual Assembly Without Unions, 1", 1 1/2", Ductile Iron
    List Price $1,658.61 List Price $1,658.61 Web Price $1,361.55
  5. eTattle Conversion Kit - ET1 (1-1 1/2) eTattle Conversion Kit - ET1 (1-1 1/2)
    eTattle Conversion Kit - ET1 (1-1 1/2)
    List Price $274.09 List Price $274.09 Web Price $183.33
  6. H5600A/250E-P Hansen Relief Valve, 1/2 H5600A/250E-P Hansen Relief Valve, 1/2
    H5600A/250E-P Hansen Relief Valve, 1/2 x 3/4, Pop-Eye, @250, CATIV, MOD B&D, EF104
    Add to Quote to request pricing
  7. H5632RD/275-P Hansen Dual Relief Valve 3/4 H5632RD/275-P Hansen Dual Relief Valve 3/4
    H5632RD/275-P Hansen Dual Relief Valve 3/4" x 1", Pop-Eye, Reduced, Set @275#
    Add to Quote to request pricing
  8. Hansen EZB/150, EZ-Relief Valve Cartridge Relief Valve, Bare Hansen EZB/150, EZ-Relief Valve Cartridge Relief Valve, Bare
    SHIPS TODAY
    Hansen EZB/150, EZ-Relief Valve Cartridge Relief Valve, Bare
    List Price $475.00 List Price $475.00 Web Price $326.17
  9. Hansen EZB/300-BT1, EZ-Relief Valve Cartridge Relief Valve, 1/2 MPT w/ Fitting Hansen EZB/300-BT1, EZ-Relief Valve Cartridge Relief Valve, 1/2 MPT w/ Fitting
    SHIPS TODAY
    Hansen EZB/300-BT1, EZ-Relief Valve Cartridge Relief Valve, 1/2 MPT w/ Fitting
    List Price $712.00 List Price $712.00 Web Price $488.91
  10. Hansen front view of EZLQ/100 pressure relief valve showing plate details, capacity, psi and size. SKU EZLQ/100 Hansen front view of EZLQ/100 pressure relief valve showing plate details, capacity, psi and size. SKU EZLQ/100
    SHIPS TODAY
    Hansen EZLQ/100, EZ-Relief Valve Liquid Cartridge Relief Valve, Bare
    List Price $458.00 List Price $458.00 Web Price $314.49
  11. Hansen EZLQ/75-BT1, EZLQ Liquid Relief Valve, 1/2 MPT w/ Fitting Hansen EZLQ/75-BT1, EZLQ Liquid Relief Valve, 1/2 MPT w/ Fitting
    Hansen EZLQ/75-BT1, EZLQ Liquid Relief Valve, 1/2 MPT w/ Fitting
    List Price $695.00 List Price $695.00 Web Price $463.33
  12. Hansen H5600R/400-P NH3 Pressure Relief Valve 1/2 x 3/4, Reduced Capacity, POP-EYE Hansen H5600R/400-P NH3 Pressure Relief Valve 1/2 x 3/4, Reduced Capacity, POP-EYE
    Hansen H5600R/400-P NH3 Pressure Relief Valve 1/2 x 3/4, Reduced Capacity, POP-EYE
    List Price $653.00 List Price $653.00 Web Price $435.33
  13. H5632R/200-P Hansen NH3 Pressure Relief Valve, Reduced Capacity, 3/4 H5632R/200-P Hansen NH3 Pressure Relief Valve, Reduced Capacity, 3/4
    Hansen H5632R/200-P NH3 Pressure Relief Valve, Reduced Capacity, 3/4 x 1, Set@200 PSIG, POP-EYE
    List Price $787.00 List Price $787.00 Web Price $524.67
  14. Hansen HOTw/52, 2 (50MM) Socket Weld Oil Valve Range B, 120F(49C) Hansen HOTw/52, 2 (50MM) Socket Weld Oil Valve Range B, 120F(49C)
    Hansen HOTw/52, 2 (50MM) Socket Weld Oil Valve Range B, 120F(49C)
    List Price $2,635.00 List Price $2,635.00 Web Price $2,189.08
  15. Hansen RDA1/150, Rupture Disc Assembly, 1/2 MPT, w/Two 1/8 Connection, SET@150PSI Hansen RDA1/150, Rupture Disc Assembly, 1/2 MPT, w/Two 1/8 Connection, SET@150PSI
    Hansen RDA1/150, Rupture Disc Assembly, 1/2 MPT, w/Two 1/8 Connection, SET@150PSI
    List Price $874.00 List Price $874.00 Web Price $581.49
  16. Hansen RDA1/300, Rupture Disc Assembly, 1/2 MPT, w/Two 1/8 Connection, SET@300PSI Hansen RDA1/300, Rupture Disc Assembly, 1/2 MPT, w/Two 1/8 Connection, SET@300PSI
    Hansen RDA1/300, Rupture Disc Assembly, 1/2 MPT, w/Two 1/8 Connection, SET@300PSI
    List Price $874.00 List Price $874.00 Web Price $581.49
  17. Kunkle 6010HGM01-AM0125 6010HGM01-AM0125 Kunkle Relief Valve Kunkle 6010HGM01-AM0125 6010HGM01-AM0125 Kunkle Relief Valve
    Kunkle 6010HGM01-AM0125 6010HGM01-AM0125 Kunkle Relief Valve
    Add to Quote to request pricing
  18. Parker RS SRV 1/2 Parker RS SRV 1/2
    SHIPS TODAY
    Parker - Refrigerating Specialties: 101087, SRV, 1/2 H2 250PSI
    List Price $1,064.00 List Price $1,064.00 Web Price $699.97
  19. 101116 Parker RS H5 Safety Relief Valve 1-1/4 101116 Parker RS H5 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 101116, SRV, 1-1/4 H5 150PSI
    List Price $2,895.00 List Price $2,895.00 Web Price $1,728.36
  20. 101119 Parker RS H5 Safety Relief Valve 1-1/4 101119 Parker RS H5 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 101119, SRV, 1-1/4 H5 225PSI
    List Price $2,895.00 List Price $2,895.00 Web Price $1,728.36
  21. 108652 Parker RS SRH5 Safety Relief Valve 1-1/4 108652 Parker RS SRH5 Safety Relief Valve 1-1/4
    Parker - Refrigerating Specialties: 108652, SRV, SRH5 225PSI 1-1/4X1-1/2
    List Price $1,640.00 List Price $1,640.00 Web Price $1,043.49
  22. 111645 Parker RS CSRH2 Safety Relief Valve 1/2 111645 Parker RS CSRH2 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 111645, SRV, CSRH2 400PSIG 1/2X1
    List Price $622.00 List Price $622.00 Web Price $414.67
  23. 112755 Parker RS CSR1 Safety Relief Valve 1/2 112755 Parker RS CSR1 Safety Relief Valve 1/2
    Parker - Refrigerating Specialties: 112755, SRV, CSR1 220PSI 1/2X3/4
    List Price $660.00 List Price $660.00 Web Price $440.00
  24. Relief Valve 2” x 2 1/2” NPT, Bronze Body, Plain Lever, Sec. I Steam Service, Set At 125 PSI Relief Valve 2” x 2 1/2” NPT, Bronze Body, Plain Lever, Sec. I Steam Service, Set At 125 PSI
    Relief Valve 2” x 2 1/2” NPT, Bronze Body, Plain Lever, Sec. I Steam Service, Set At 125 PSI
    Add to Quote to request pricing
  25. Tattle T-200 2 Tattle T-200 2
    Tattle T-200 2" TATTLE
    List Price $589.68 List Price $589.68 Web Price $393.33
  26. 102742 Parker RS H3 Safety Relief Valve 1 102742 Parker RS H3 Safety Relief Valve 1
    0102742 Hussmann CHANNEL-RUBB 93 3/8
    List Price $2,000.00 List Price $2,000.00 Web Price $1,194.03
  27. 1 1/4x 1 1/2 Relief valve set to 150 1 1/4x 1 1/2 Relief valve set to 150
    1 1/4x 1 1/2 Relief valve set to 150
    Add to Quote to request pricing
  28. 100 PSI 1/2 FNPT X 3/4 FNPT Ductile Iron Relief Valve 100 PSI 1/2 FNPT X 3/4 FNPT Ductile Iron Relief Valve
    100 PSI 1/2 FNPT X 3/4 FNPT Ductile Iron Relief Valve
    Add to Quote to request pricing
  29. 100 PSI 3/4 FPT X 1 FPT Ductile Iron Casting Relief Valve Full Assembly 100 PSI 3/4 FPT X 1 FPT Ductile Iron Casting Relief Valve Full Assembly
    100 PSI 3/4 FPT X 1 FPT Ductile Iron Casting Relief Valve Full Assembly
    Add to Quote to request pricing
  30. 100PSI 3/4 FNPT X 1 FNPT Ductile Iron Relief Valve 100PSI 3/4 FNPT X 1 FNPT Ductile Iron Relief Valve
    100PSI 3/4 FNPT X 1 FNPT Ductile Iron Relief Valve
    Add to Quote to request pricing
  31. 101080 Parker RS H2 Safety Relief Valve 3/4 101080 Parker RS H2 Safety Relief Valve 3/4
    101080 Refrigerating Specialties (RS) 1/2 SRV H2, 75 psi
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  32. 101932 Parker RS H2 Safety Relief Valve 3/4 101932 Parker RS H2 Safety Relief Valve 3/4
    101932 Parker - Refrigerating Specialties SRV, 1/2 H2 60PSI
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  33. 103206 Parker RS H2 Safety Relief Valve 3/4 103206 Parker RS H2 Safety Relief Valve 3/4
    103206 Refrigerating Specialties (RS) 1/2 SRV H2, 220 psi
    List Price $1,416.00 List Price $1,416.00 Web Price $912.62
  34. 106288 Parker RS H5 Safety Relief Valve 1-1/4 106288 Parker RS H5 Safety Relief Valve 1-1/4
    106288 Refrigerating Specialties (RS) 1-1/4 SRV H5, 285 psi
    List Price $3,247.00 List Price $3,247.00 Web Price $1,938.51
  35. 111628 Parker RS CSR2 Safety Relief Valve 1/2 111628 Parker RS CSR2 Safety Relief Valve 1/2
    111628 Parker Safety Relief Valve, CSR2 150 Psig 1/2" X 1"
    List Price $622.00 List Price $622.00 Web Price $414.67
  36. 112630 Refrigerating Specialties (RS) 1 SRV H4, 260 psi 112630 Refrigerating Specialties (RS) 1 SRV H4, 260 psi
    112630 Refrigerating Specialties (RS) 1 SRV H4, 260 psi
    List Price $2,517.00 List Price $2,517.00 Web Price $1,502.69
  37. 112680 Refrigerating Specialties (RS) 3/4 x 1 SRV SRH3, 235 psi 112680 Refrigerating Specialties (RS) 3/4 x 1 SRV SRH3, 235 psi
    112680 Refrigerating Specialties (RS) 3/4 x 1 SRV SRH3, 235 psi
    List Price $647.00 List Price $647.00 Web Price $431.33
  38. 112790 Parker RS CSR1 Safety Relief Valve 1/2 112790 Parker RS CSR1 Safety Relief Valve 1/2
    112790 Refrigerating Specialties (RS) 1/2 x 3/4 SRV CSR1, 175 psi
    List Price $660.00 List Price $660.00 Web Price $440.00
  39. 112800 Parker RS CSRH1 Safety Relief Valve 1/2 112800 Parker RS CSRH1 Safety Relief Valve 1/2
    112800 Refrigerating Specialties (RS) 1/2 x 3/4 SRV CSRH1, 225 psi
    List Price $660.00 List Price $660.00 Web Price $440.00
  40. 112867 Parker RS CSRH3 Safety Relief Valve 3/4 112867 Parker RS CSRH3 Safety Relief Valve 3/4
    112867 Refrigerating Specialties (RS) 3/4 x 1 SRV CSRH3, 265 psi
    List Price $853.00 List Price $853.00 Web Price $568.23
  41. 125 PSI 1/2 FNPT X 3/4 FNPT Ductile Iron Relief Valve 125 PSI 1/2 FNPT X 3/4 FNPT Ductile Iron Relief Valve
    125 PSI 1/2 FNPT X 3/4 FNPT Ductile Iron Relief Valve
    Add to Quote to request pricing
  42. 125 PSI 3/4 FNPT X 1 FNPT Ductile Iron Relief Valve 125 PSI 3/4 FNPT X 1 FNPT Ductile Iron Relief Valve
    125 PSI 3/4 FNPT X 1 FNPT Ductile Iron Relief Valve
    Add to Quote to request pricing
  43. 125 PSI 3/4 FPT X 1 FPT Stainless Steel Relief Valve Full Assembly 125 PSI 3/4 FPT X 1 FPT Stainless Steel Relief Valve Full Assembly
    125 PSI 3/4 FPT X 1 FPT Stainless Steel Relief Valve Full Assembly
    Add to Quote to request pricing
  44. 148F3027 Danfoss, POV 1050 Butt WeldNG, ANSI DN65 ANG 148F3027 Danfoss, POV 1050 Butt WeldNG, ANSI DN65 ANG
    148F3027 Danfoss, POV 1050 Butt WeldNG, ANSI DN65 ANG
    List Price $2,235.42 List Price $2,235.42 Web Price $1,513.20
  45. 148F3034 Danfoss, POV 2150 Butt Weld, ANSI DN80 ANG 148F3034 Danfoss, POV 2150 Butt Weld, ANSI DN80 ANG
    148F3034 Danfoss, POV 2150 Butt Weld, ANSI DN80 ANG
    List Price $2,892.01 List Price $2,892.01 Web Price $1,957.66
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Product Availability
  1. In Stock, Ships Today 240items
Brand
  1. Cyrus Shank 3372items
  2. Danfoss 133items
  3. Frick 68items
  4. Hansen 769items
  5. Henry 186items
  6. Hussmann 5items
  7. Ingersoll Rand 10items
  8. Kunkle 4items
  9. Parker 26items
  10. R-EADY Brand 9items
  11. Parker - Refrigerating Specialties (RS) 620items
  12. REGO 2items
  13. Tattle 41items
  14. Vilter 4items
Category
  1. Dual Cartridge Relief Valve Kits 79items
  2. Gauges 2items
  3. Kits 4items
  4. O-Rings 4items
  5. Oil Temperature Valves 110items
  6. Parts 14items
  7. Quote Only 1item
  8. Relief Valves 4900items
  9. Relief Valve Parts 57items
  10. Relief Valve Rupture Discs 15items
  11. Relief Vent Indicators 41items
  12. Replacement Parts 6items
  13. Safety Relief Valves 12items
Outlet Connection
  1. 3/4" 1384items
  2. 1" 852items
  3. 1-1/4" 392items
  4. 1" FPT 4items
  5. 1 1/2" 454items
  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 35items
  2. 75 260items
  3. 100 204items
  4. 125 206items
  5. 150 249items
  6. 175 254items
  7. 200 260items
  8. 225 264items
  9. 250 270items
  10. 275 296items
  11. 300 270items
  12. 325 260items
  13. 350 262items
  14. 375 264items
  15. 400 260items
  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 23items
  38. 150 psig (marked with CE) 1item
  39. 165 psig 3items
  40. 175 psig 3items
  41. 180 psig 3items
  42. 190 psig 3items
  43. 200 psig 30items
  44. 200 psig (marked with CE) 2items
  45. 225 psig 27items
  46. 225 psig (marked with CE) 3items
  47. 250 psig 35items
  48. 250 psig (marked with CE) 8items
  49. 260 psig 3items
  50. 265 psig 3items
  51. 275 psig 31items
  52. 280 psig 3items
  53. 300 psig (marked with CE) 2items
  54. 300 psig 27items
  55. 325 psig 3items
  56. 350 psig 27items
  57. 375 psig 3items
  58. 400 psig (marked with CE) 1item
  59. 400 psig 31items
Inlet
  1. 1/2" 1655items
  2. 1/2" FPT 2items
  3. 1" 648items
  4. 1" FPT 2items
  5. 1-1/2" 44items
  6. 1-1/4" 250items
  7. 1-1/4" FPT 2items
  8. 2-1/2" 2items
  9. 3/4" 835items
  10. 3/4" FPT 2items
  11. 3" 2items