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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.

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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

2814 items

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  1. Shank-Tags Cyrus Shank Installation Date Tags Shank-Tags Cyrus Shank Installation Date Tags
    Shank-Tags Cyrus Shank Installation Date Tags
    List Price $6.00 List Price $6.00 Web Price $5.52
  2. Hansen H5600R/300-P NH3 Pressure Relief Valve 1/2 Hansen H5600R/300-P NH3 Pressure Relief Valve 1/2
    SHIPS TODAY
    Hansen H5600R/300-P NH3 Pressure Relief Valve 1/2" x 3/4", Reduced Capacity, Set@300 PSIG, POP-EYE
    List Price $575.00 List Price $575.00 Web Price $348.38
  3. H5600A/250-P Hansen NH3 Pressure Relief Valve 1/2 H5600A/250-P Hansen NH3 Pressure Relief Valve 1/2
    SHIPS TODAY
    H5600A/250-P Hansen NH3 Pressure Relief Valve 1/2" x 3/4", Set@250 Psig with Pop-Eye
    List Price $575.00 List Price $575.00 Web Price $338.24
  4. Hansen H5600A NH3 Pressure Relief Valves - 1/2 Hansen H5600A NH3 Pressure Relief Valves - 1/2
    H5600A Hansen NH3 Pressure Relief Valves with POP-EYE - 1/2" FPT x 3/4" FPT
    List Price $575.00 List Price $575.00 As low as $0.00
  5. Henry 5601 Pressure Relief Valve, Ductile Iron, Angle Type Henry 5601 Pressure Relief Valve, Ductile Iron, Angle Type
    5601 Henry Pressure Relief Valves, Ductile Iron, Angle Type, 1/2" FPT X 1" FPT
    List Price $271.87 List Price $271.87 As low as $239.28
  6. Hansen H5600R/250-P NH3 Pressure Relief Valve 1/2 Hansen H5600R/250-P NH3 Pressure Relief Valve 1/2
    SHIPS TODAY
    Hansen H5600R/250-P NH3 Pressure Relief Valve 1/2" x 3/4", Reduced Capacity, Set@250 PSIG, POP-EYE
    List Price $575.00 List Price $575.00 Web Price $348.38
  7. Cyrus Shank 803-250 Safety Relief Valve, 1/2 Cyrus Shank 803-250 Safety Relief Valve, 1/2
    SHIPS TODAY
    Cyrus Shank 803-250 Safety Relief Valve, 1/2", 3/4", Ductile Iron
    List Price $209.36 List Price $209.36 Web Price $186.01
  8. H5600R Hansen 1/2 H5600R Hansen 1/2
    H5600R Hansen NH3 Single Pressure Relief Valve with POP-EYE, 1/2" FPT x 3/4" FPT, Reduced Capacity
    List Price $575.00 List Price $575.00 As low as $308.31
  9. 107069 Parker RS SRH3 Safety Relief Valve 3/4 107069 Parker RS SRH3 Safety Relief Valve 3/4
    SHIPS TODAY
    107069 Parker RS SRH3 Safety Relief Valve 3/4" x 1" 250 psi
    List Price $499.00 List Price $499.00 Web Price $276.70
  10. Hansen H5602/250-P NH3 Pressure Relief Valve 3/4 Hansen H5602/250-P NH3 Pressure Relief Valve 3/4
    SHIPS TODAY
    Hansen H5602/250-P NH3 Pressure Relief Valve 3/4" x 1", Set@250 PSIG, POP-EYE
    List Price $693.00 List Price $693.00 Web Price $419.88
  11. 5244-series Henry Relief Valve, 1 5244-series Henry Relief Valve, 1
    5244-series Henry Relief Valve, 1" MPT x 1" FPT
    List Price $188.19 List Price $188.19 As low as $163.53
  12. 803LQ Cyrus Shank Liquid Relief Valve 803LQ Cyrus Shank Liquid Relief Valve
    803LQ Cyrus Shank Liquid Relief Valve
    List Price $237.89 List Price $237.89 As low as $0.00
  13. 107063 Parker RS SRH2 Safety Relief Valve 1/2 107063 Parker RS SRH2 Safety Relief Valve 1/2
    SHIPS TODAY
    107063 Parker RS SRH2 Safety Relief Valve 1/2" x 1" 250 psi
    List Price $369.00 List Price $369.00 Web Price $197.86
  14. 804 Cyrus Shank Relief Valve 804 Cyrus Shank Relief Valve
    804 Cyrus Shank Relief Valve
    List Price $266.81 List Price $266.81 As low as $0.00
  15. Hansen H5601 Pressure Relief Valves with Pop-Eye - image of dual and single pressure relief valves. Hansen H5601 Pressure Relief Valves with Pop-Eye - image of dual and single pressure relief valves.
    H5601 Hansen Pressure Relief Valves with POP-EYE, 1/2" FPT X 1" FPT
    List Price $1,474.00 List Price $1,474.00 As low as $0.00
  16. Hansen H5601/300-P NH3 Pressure Relief Valve 1/2 Hansen H5601/300-P NH3 Pressure Relief Valve 1/2
    SHIPS TODAY
    Hansen H5601/300-P NH3 Pressure Relief Valve 1/2" x 1", Set@300 PSIG, POP-EYE
    List Price $579.00 List Price $579.00 Web Price $355.11
  17. Cyrus Shank 804-300 Safety Relief Valve, 3/4 FNPT Inlet x 1 FNPT Outlet, 300 PSIG, Ductile Iron - Image 1 Cyrus Shank 804-300 Safety Relief Valve, 3/4 FNPT Inlet x 1 FNPT Outlet, 300 PSIG, Ductile Iron - Image 1
    Cyrus Shank 804-300 Safety Relief Valve, 3/4", 1", Ductile Iron
    List Price $266.81 List Price $266.81 Web Price $212.67
  18. H5600A/150-P Hansen NH3 Pressure Relief Valve 1/2 H5600A/150-P Hansen NH3 Pressure Relief Valve 1/2
    SHIPS TODAY
    H5600A/150-P Hansen NH3 Pressure Relief Valve 1/2" x 3/4", Set@150 Psig with Pop-Eye
    List Price $575.00 List Price $575.00 Web Price $338.24
  19. Hansen H5600A/150, NH3 Pressure-Relief Valve 1/2X3/4, SET@150 PSI Hansen H5600A/150, NH3 Pressure-Relief Valve 1/2X3/4, SET@150 PSI
    Hansen H5600A/150, NH3 Pressure-Relief Valve 1/2X3/4, SET@150 PSI
    Web Price $326.47
  20. Close-up image of 40-1003 Hansen Blue Install Date Tag Kit. Close-up image of 40-1003 Hansen Blue Install Date Tag Kit.
    SHIPS TODAY
    40-1003 Hansen Blue Install Date Tag Kit
    List Price $24.00 List Price $24.00 Web Price $21.81
  21. Henry 5602 Pressure Relief Valve, Ductile Iron, 250 psi, 57.7 capacity. Henry 5602 Pressure Relief Valve, Ductile Iron, 250 psi, 57.7 capacity.
    5602 Henry Pressure Relief Valve, Ductile Iron, Angle Type, 3/4" FPT X 1" FPT
    List Price $277.62 List Price $277.62 As low as $241.24
  22. Cyrus Shank 814-250 Safety Relief Valve, 3/4 Cyrus Shank 814-250 Safety Relief Valve, 3/4
    Cyrus Shank 814-250 Safety Relief Valve, 3/4", 1 1/4", Ductile Iron
    List Price $269.12 List Price $269.12 Web Price $214.52
  23. 803LQ-75 Liquid Relief Valve - image 1 803LQ-75 Liquid Relief Valve - image 1
    803LQ-75 Cyrus Shank Liquid Relief Valve, 75#
    List Price $237.89 List Price $237.89 Web Price $189.64
  24. Hansen pressure relief valves with Pop-Eye - Image of dual and single pressure relief valves. Hansen pressure relief valves with Pop-Eye - Image of dual and single pressure relief valves.
    H5602 Hansen Pressure Relief Valves with POP-EYE, 3/4" FPT x 1" FPT
    List Price $1,718.00 List Price $1,718.00 As low as $0.00
  25. Hansen Pressure Relief Valve with Pop-Eye - Front view Hansen Pressure Relief Valve with Pop-Eye - Front view
    H5632R Hansen Pressure Relief Valves with POP-EYE, Reduced Capacity, 3/4" FPT x 1" FPT
    List Price $693.00 List Price $693.00 As low as $0.00
  26. 814 Cyrus Shank Relief Valve 814 Cyrus Shank Relief Valve
    814 Cyrus Shank Relief Valve
    List Price $269.12 List Price $269.12 As low as $214.52
  27. Cyrus Shank 803-150 Safety Relief Valve, 1/2 Cyrus Shank 803-150 Safety Relief Valve, 1/2
    Cyrus Shank 803-150 Safety Relief Valve, 1/2", 3/4", Ductile Iron
    List Price $209.36 List Price $209.36 Web Price $166.88
  28. Cyrus Shank 803-300 Safety Relief Valve, 1/2 Cyrus Shank 803-300 Safety Relief Valve, 1/2
    Cyrus Shank 803-300 Safety Relief Valve, 1/2", 3/4", Ductile Iron
    List Price $209.36 List Price $209.36 Web Price $177.54
  29. H5632R/250-P Hansen NH3 Pressure Relief Valve, Reduced Capacity, 3/4 H5632R/250-P Hansen NH3 Pressure Relief Valve, Reduced Capacity, 3/4
    SHIPS TODAY
    H5632R/250-P Hansen NH3 Pressure Relief Valve, Reduced Capacity, 3/4" x 1", Set@250 Psig with Pop-Eye
    List Price $693.00 List Price $693.00 Web Price $407.65
  30. Hansen H5601/250-P NH3 Pressure Relief Valve 1/2 Hansen H5601/250-P NH3 Pressure Relief Valve 1/2
    SHIPS TODAY
    Hansen H5601/250-P NH3 Pressure Relief Valve 1/2" x 1", Set@250 PSIG, POP-EYE
    List Price $579.00 List Price $579.00 Web Price $340.59
  31. Hansen H5602R/250-P NH3 Pressure Relief Valve, Reduced Capacity, 3/4 Hansen H5602R/250-P NH3 Pressure Relief Valve, Reduced Capacity, 3/4
    SHIPS TODAY
    Hansen H5602R/250-P NH3 Pressure Relief Valve, Reduced Capacity, 3/4" x 1", Set@ 250 PSIG, POP-EYE
    List Price $693.00 List Price $693.00 Web Price $407.65
  32. H5632R/300-P Hansen NH3 Pressure Relief Valve, Reduced Capacity, 3/4 H5632R/300-P Hansen NH3 Pressure Relief Valve, Reduced Capacity, 3/4
    SHIPS TODAY
    H5632R/300-P Hansen NH3 Pressure Relief Valve, Reduced Capacity, 3/4" x 1", Set@300 Psig with Pop-Eye
    List Price $693.00 List Price $693.00 Web Price $407.65
  33. Hansen 40-1004, Kit, Green Install Date Tag Hansen 40-1004, Kit, Green Install Date Tag
    SHIPS TODAY
    Hansen 40-1004, Kit, Green Install Date Tag
    List Price $24.00 List Price $24.00 Web Price $21.81
  34. 107045 Parker RS SR3 Safety Relief Valve 3/4 107045 Parker RS SR3 Safety Relief Valve 3/4
    SHIPS TODAY
    107045 Parker RS SR3 Safety Relief Valve 3/4" x 1-1/4" 250 psi
    List Price $671.00 List Price $671.00 Web Price $361.24
  35. 107058 Parker RS SRH1 Safety Relief Valve 1/2 107058 Parker RS SRH1 Safety Relief Valve 1/2
    107058 Parker RS SRH1 Safety Relief Valve 1/2" x 3/4" 300 psi
    List Price $353.00 List Price $353.00 Web Price $204.64
  36. 803 Cyrus Shank 803 Relief Valve 803 Cyrus Shank 803 Relief Valve
    803 Cyrus Shank 803 Relief Valve
    List Price $209.36 List Price $209.36 As low as $166.88
  37. Cyrus Shank 813 DS-250 Dual Assembly Without Unions, 1/2 Cyrus Shank 813 DS-250 Dual Assembly Without Unions, 1/2
    Cyrus Shank 813 DS-250 Dual Assembly Without Unions, 1/2", 1", Ductile Iron
    List Price $769.95 List Price $769.95 Web Price $613.72
  38. H5604 Hansen Pressure Relief Valve, 1-1/4 H5604 Hansen Pressure Relief Valve, 1-1/4
    H5604 Hansen Pressure Relief Valve, 1-1/4" x 1-1/2" with Pop-Eye
    List Price $1,566.00 List Price $1,566.00 As low as $899.85
  39. 107057 Parker RS SRH1 Safety Relief Valve 1/2 107057 Parker RS SRH1 Safety Relief Valve 1/2
    107057 Parker RS SRH1 Safety Relief Valve 1/2" x 3/4" 250 psi
    List Price $353.00 List Price $353.00 Web Price $226.18
  40. 5231BX-Series Henry Relief Valve Brass Straight -Thru Type 5231BX-Series Henry Relief Valve Brass Straight -Thru Type
    5231BX-Series Henry Relief Valve Brass Straight -Thru Type
    List Price $177.38 List Price $177.38 As low as $164.34
  41. Henry 5600 Cast Iron Pressure Relief Valve - Image 1 Henry 5600 Cast Iron Pressure Relief Valve - Image 1
    5600 Henry Pressure Relief Valves, Ductile Iron, Angle Type, 1/2" FPT x 3/4" FPT
    List Price $270.18 List Price $270.18 As low as $0.00
  42. Cyrus Shank 800-300 Safety Relief Valve, 1/2 Cyrus Shank 800-300 Safety Relief Valve, 1/2
    Cyrus Shank 800-300 Safety Relief Valve, 1/2", 3/4", Carbon Steel
    List Price $234.63 List Price $234.63 Web Price $205.74
  43. Cyrus Shank 800D-300 Safety Relief Valve, 1/2 Cyrus Shank 800D-300 Safety Relief Valve, 1/2
    Cyrus Shank 800D-300 Safety Relief Valve, 1/2", 3/4", Ductile Iron
    List Price $209.36 List Price $209.36 Web Price $166.88
  44. Cyrus Shank 805-250 Safety Relief Valve, 1 Cyrus Shank 805-250 Safety Relief Valve, 1
    SHIPS TODAY
    Cyrus Shank 805-250 Safety Relief Valve, 1" x 1-1/4", Ductile Iron
    List Price $384.71 List Price $384.71 Web Price $306.67
  45. Cyrus Shank 812-250 Safety Relief Valve, 1/2 Cyrus Shank 812-250 Safety Relief Valve, 1/2
    Cyrus Shank 812-250 Safety Relief Valve, 1/2", 1", Ductile Iron
    List Price $211.74 List Price $211.74 Web Price $168.78
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Product Availability
  1. In Stock, Ships Today 80items
Manufacturer
  1. Cyrus Shank 1741items
  2. Danfoss 84items
  3. Frick 68items
  4. Hansen 473items
  5. Henry 40items
  6. Hussmann 3items
  7. Ingersoll Rand 10items
  8. Kunkle 2items
  9. Parker RS - Refrigerating Specialties 365items
  10. Rego 1item
  11. Tattle 22items
  12. Vilter Manufacturing 4items
Category
  1. Dual Cartridge Relief Valve Kits 39items
  2. Gauges 1item
  3. Kits 2items
  4. O-Rings 2items
  5. Oil Temperature Valves 56items
  6. Parts 7items
  7. Quote Only 4items
  8. Relief Valves 2665items
  9. Relief Valve Parts 1item
  10. Relief Valve Rupture Discs 6items
  11. Relief Vent Indicators 22items
  12. Replacement Parts 3items
  13. Safety Relief Valves 10items
Outlet Connection
  1. 3/4" 717items
  2. 1" 441items
  3. 1-1/4" 200items
  4. 1" FPT 3items
  5. 1 1/2" 238items
  6. 1-1/2" FPT 1item
  7. 1-1/4" FPT 1item
  8. 2" 132items
  9. 2 & 3 22items
  10. 2" & 3" 22items
  11. 2 1/2" 1item
  12. 3" 1item
Relief Pressure Setting
  1. 50 20items
  2. 75 137items
  3. 100 109items
  4. 125 109items
  5. 150 143items
  6. 175 134items
  7. 200 139items
  8. 225 139items
  9. 250 157items
  10. 275 155items
  11. 300 157items
  12. 325 137items
  13. 350 139items
  14. 375 139items
  15. 400 139items
  16. 12 bar 2items
  17. 12.5 bar 2items
  18. 17 bar 2items
  19. 18 bar 1item
  20. 24 bar 2items
  21. 31 bar 3items
  22. 88.64 psi 1item
  23. 175 psi 5items
  24. 180 psi 2items
  25. 190 psi 1item
  26. 210 psi 1item
  27. 214 psi 2items
  28. 225 psi 5items
  29. 230 psi 1item
  30. 235 psi 1item
  31. 255 psi 1item
  32. 265 psi 3items
  33. 275 psi 6items
  34. 290 psi 1item
  35. 330 psi 2items
  36. 350 psi 2items
  37. 375 psi 2items
  38. 150 psig 28items
  39. 150 psig (marked with CE) 13items
  40. 165 psig 2items
  41. 175 psig 2items
  42. 180 psig 2items
  43. 190 psig 2items
  44. 200 psig 26items
  45. 200 psig (marked with CE) 11items
  46. 225 psig 28items
  47. 225 psig (marked with CE) 13items
  48. 250 psig 32items
  49. 250 psig (marked with CE) 13items
  50. 260 psig 2items
  51. 265 psig 2items
  52. 275 psig 28items
  53. 275 psig (marked with CE) 14items
  54. 280 psig 2items
  55. 300 psig (marked with CE) 12items
  56. 300 psig 30items
  57. 325 psig 2items
  58. 350 psig 28items
  59. 350 psig (marked with CE) 13items
  60. 375 psig 2items
  61. 400 psig (marked with CE) 12items
  62. 400 psig 31items
Inlet
  1. 1/2" 859items
  2. 1/2" FPT 1item
  3. 1" 331items
  4. 1" FPT 1item
  5. 1-1/2" 23items
  6. 1-1/4" 131items
  7. 1-1/4" FPT 1item
  8. 2-1/2" 1item
  9. 3/4" 432items
  10. 3/4" FPT 2items
  11. 3" 1item