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Check Valves

Check Valves

Keep Supply is your trusted source for check valves. Check valves are responsible for ensuring proper flow within a fluid system. We carrier check valves from Danfoss, Refrigeration Specialties, Hansen and more. For all your parts needs, we are here to help.

Categories
Check Valve Flanges & Gaskets
Check Valve Flanges & Gaskets
Check Valve Piston & Seat Kits
Check Valve Piston & Seat Kits
Check Valve Replacement Parts
Check Valve Replacement Parts
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1057 items

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  1. Hansen 70-0334, #100 x 7/8 ODS Flange Hansen 70-0334, #100 x 7/8 ODS Flange
    Hansen 70-0334, #100 x 7/8 ODS Flange
    Add to Quote to request pricing
  2. Hansen 70-0335, Flange, #100X28mm /1-1/8 ODS Hansen 70-0335, Flange, #100X28mm /1-1/8 ODS
    Hansen 70-0335, Flange, #100X28mm /1-1/8 ODS
    Add to Quote to request pricing
  3. Hansen 70-0336, Flange, 1 Hansen 70-0336, Flange, 1
    Hansen 70-0336, Flange, 1" x 1-3/8" ODS
    Add to Quote to request pricing
  4. Hansen 70-0350, Flange, 1/2 Hansen 70-0350, Flange, 1/2
    Hansen 70-0350, Flange, 1/2" x 5/8" ODS
    Add to Quote to request pricing
  5. Hansen 70-0432, Flange, #100 x 1-1/2 Hansen 70-0432, Flange, #100 x 1-1/2
    Hansen 70-0432, Flange, #100 x 1-1/2" Weldment
    Add to Quote to request pricing
  6. Hansen 70-0433, 1/2 Hansen 70-0433, 1/2
    Hansen 70-0433, 1/2" x 3/4" Socket Weld Flange for APM MX
    Add to Quote to request pricing
  7. Hansen 70-0480, 1 Hansen 70-0480, 1
    Hansen 70-0480, 1" x 1-1/2" Socket Weld Flange
    Add to Quote to request pricing
  8. Hansen 70-0554, 70-0234 Plated-#50 x 1/2 Hansen 70-0554, 70-0234 Plated-#50 x 1/2
    Hansen 70-0554, 70-0234 Plated-#50 x 1/2" Weld Neck Flange
    Add to Quote to request pricing
  9. Hansen 70-0625, Flange, #100 x 1 Hansen 70-0625, Flange, #100 x 1
    Hansen 70-0625, Flange, #100 x 1" WN, SCH 80, Plated
    Add to Quote to request pricing
  10. Hansen 70-0626, Flange, #100 x 1-1/4WN, SCH 80, Plated Hansen 70-0626, Flange, #100 x 1-1/4WN, SCH 80, Plated
    Hansen 70-0626, Flange, #100 x 1-1/4WN, SCH 80, Plated
    Add to Quote to request pricing
  11. Hansen 70-0669, Assembly, 1 Hansen 70-0669, Assembly, 1
    Hansen 70-0669, Assembly, 1" Socket Weld Piston Check Valve
    Add to Quote to request pricing
  12. Hansen 70-1024, Flange Bolt and Nut Kit For HS7 (Less Strainer) Hansen 70-1024, Flange Bolt and Nut Kit For HS7 (Less Strainer)
    Hansen 70-1024, Flange Bolt and Nut Kit For HS7 (Less Strainer)
    Web Price $50.00
  13. Hansen 70-1025, Flange Bolt and Nut Kit For HS7 (With Strainer). Image of nuts and bolts. Hansen 70-1025, Flange Bolt and Nut Kit For HS7 (With Strainer). Image of nuts and bolts.
    SHIPS TODAY
    Hansen 70-1025, Flange Bolt and Nut Kit For HS7 (With Strainer)
    Web Price $58.71
  14. Hansen 72-0003, O-Ring, (-034), Seat Cartridge for HCK4-3, -4, -5 Hansen 72-0003, O-Ring, (-034), Seat Cartridge for HCK4-3, -4, -5
    Hansen 72-0003, O-Ring, (-034), Seat Cartridge for HCK4-3, -4, -5
    Add to Quote to request pricing
  15. Hansen 72-0017, O-Ring, (-234), Seat Cartridge 1-1/2, 2, HCK4 Hansen 72-0017, O-Ring, (-234), Seat Cartridge 1-1/2, 2, HCK4
    Hansen 72-0017, O-Ring, (-234), Seat Cartridge 1-1/2, 2, HCK4
    Add to Quote to request pricing
  16. Hansen 72-0020, Seat, 2 Check Valve Plated BRIGHT Blue Hansen 72-0020, Seat, 2 Check Valve Plated BRIGHT Blue
    Hansen 72-0020, Seat, 2 Check Valve Plated BRIGHT Blue
    Add to Quote to request pricing
  17. Hansen 72-0027, O-Ring, (-244), Seat Cartridge 2-1/2, 3, HCK4 Hansen 72-0027, O-Ring, (-244), Seat Cartridge 2-1/2, 3, HCK4
    Hansen 72-0027, O-Ring, (-244), Seat Cartridge 2-1/2, 3, HCK4
    Add to Quote to request pricing
  18. Hansen 72-0049, O-Ring, (-253), Seat Cartridge, 4 HCK4 Hansen 72-0049, O-Ring, (-253), Seat Cartridge, 4 HCK4
    Hansen 72-0049, O-Ring, (-253), Seat Cartridge, 4 HCK4
    Add to Quote to request pricing
  19. Hansen 72-0063, Spring, Angle Check Hansen 72-0063, Spring, Angle Check
    Hansen 72-0063, Spring, Angle Check
    Add to Quote to request pricing
  20. Hansen 72-0076, Gasket, 1-1/4 Hansen 72-0076, Gasket, 1-1/4
    Hansen 72-0076, Gasket, 1-1/4" 4-Bolt Flange
    Add to Quote to request pricing
  21. Hansen 75-0034, #200 x 1-1/2 Hansen 75-0034, #200 x 1-1/2
    Hansen 75-0034, #200 x 1-1/2" Socket Weld Flange
    Add to Quote to request pricing
  22. Hansen 75-0035, Flange, #200 x 2 Socket Weld Hansen 75-0035, Flange, #200 x 2 Socket Weld
    Hansen 75-0035, Flange, #200 x 2 Socket Weld
    Add to Quote to request pricing
  23. Hansen 75-0039, Flange, #250 x 3 Socket Weld Hansen 75-0039, Flange, #250 x 3 Socket Weld
    Hansen 75-0039, Flange, #250 x 3 Socket Weld
    Add to Quote to request pricing
  24. Hansen 75-0042, Flange, #300 x 2 1/2 Hansen 75-0042, Flange, #300 x 2 1/2
    Hansen 75-0042, Flange, #300 x 2 1/2" Socket Weld
    Add to Quote to request pricing
  25. Hansen 75-0043, (75-2142) Flange, #300 x 3 Socket Weld Hansen 75-0043, (75-2142) Flange, #300 x 3 Socket Weld
    Hansen 75-0043, (75-2142) Flange, #300 x 3 Socket Weld
    Add to Quote to request pricing
  26. Hansen 75-0137W, Flange Gasket for 3 HA4A, HS4A, Garlock Hansen 75-0137W, Flange Gasket for 3 HA4A, HS4A, Garlock
    Hansen 75-0137W, Flange Gasket for 3 HA4A, HS4A, Garlock
    Add to Quote to request pricing
  27. Hansen 75-0138W, 1-1/2 Hansen 75-0138W, 1-1/2
    Hansen 75-0138W, 1-1/2" 2 Flange Gasket, Garlock
    Add to Quote to request pricing
  28. Hansen 75-0417, #400 x 4 Socket Weld Flange Hansen 75-0417, #400 x 4 Socket Weld Flange
    Hansen 75-0417, #400 x 4 Socket Weld Flange
    Add to Quote to request pricing
  29. Hansen 75-0436, 2 x 1-5/8 Hansen 75-0436, 2 x 1-5/8
    Hansen 75-0436, 2 x 1-5/8" ODS Flange
    Add to Quote to request pricing
  30. Hansen 75-0437, 2 x 2-1/8 ODS Flange Hansen 75-0437, 2 x 2-1/8 ODS Flange
    Hansen 75-0437, 2 x 2-1/8 ODS Flange
    Add to Quote to request pricing
  31. Hansen 75-0438, 2-1/2 Hansen 75-0438, 2-1/2
    Hansen 75-0438, 2-1/2" x 2-5/8" ODS Flange
    Add to Quote to request pricing
  32. Hansen 75-0464, Flange, #400 x 4 WN Hansen 75-0464, Flange, #400 x 4 WN
    Hansen 75-0464, Flange, #400 x 4 WN
    Add to Quote to request pricing
  33. Hansen 75-0479, #400 x 4-1/8 ODS Flange Hansen 75-0479, #400 x 4-1/8 ODS Flange
    Hansen 75-0479, #400 x 4-1/8 ODS Flange
    Add to Quote to request pricing
  34. Hansen 75-0482, 3 x 3-1/8 ODS Flange Hansen 75-0482, 3 x 3-1/8 ODS Flange
    Hansen 75-0482, 3 x 3-1/8 ODS Flange
    Add to Quote to request pricing
  35. Hansen 75-0495, 1-1/4 Hansen 75-0495, 1-1/4
    Hansen 75-0495, 1-1/4" x 1-1/4" (4-Bolt Flange)
    Add to Quote to request pricing
  36. Hansen 75-0500, 2-1/2 Hansen 75-0500, 2-1/2
    Hansen 75-0500, 2-1/2" Weld Neck FlangeS
    Add to Quote to request pricing
  37. Hansen 75-0524, #200 Flange, 2 WN Hansen 75-0524, #200 Flange, 2 WN
    Hansen 75-0524, #200 Flange, 2 WN
    Add to Quote to request pricing
  38. Hansen 75-0525, Flange, #200 x 2-1/8 ODS Hansen 75-0525, Flange, #200 x 2-1/8 ODS
    Hansen 75-0525, Flange, #200 x 2-1/8 ODS
    Add to Quote to request pricing
  39. Hansen 75-0526, #200 x 1-5/8 Hansen 75-0526, #200 x 1-5/8
    Hansen 75-0526, #200 x 1-5/8" ODS Flange
    Add to Quote to request pricing
  40. Hansen 75-0550, Flange, #200 x 1-1/2 Hansen 75-0550, Flange, #200 x 1-1/2
    Hansen 75-0550, Flange, #200 x 1-1/2" WN..
    Add to Quote to request pricing
  41. Hansen 75-0576, Flange, #300 x 3 / 80mm WN. Hansen 75-0576, Flange, #300 x 3 / 80mm WN.
    Hansen 75-0576, Flange, #300 x 3 / 80mm WN.
    Add to Quote to request pricing
  42. Hansen 75-0577, #300 x 3-1/8 ODS Flange Hansen 75-0577, #300 x 3-1/8 ODS Flange
    Hansen 75-0577, #300 x 3-1/8 ODS Flange
    Add to Quote to request pricing
  43. Hansen 75-0578, Flange, 2-1/2 Hansen 75-0578, Flange, 2-1/2
    Hansen 75-0578, Flange, 2-1/2" x 2-1/2" WN
    Add to Quote to request pricing
  44. Hansen 75-0579, Flange, #250 x 2-5/8 Hansen 75-0579, Flange, #250 x 2-5/8
    Hansen 75-0579, Flange, #250 x 2-5/8" / 67mm ODS
    Add to Quote to request pricing
  45. Hansen 75-0580, Flange, #250 x 3 WN Hansen 75-0580, Flange, #250 x 3 WN
    Hansen 75-0580, Flange, #250 x 3 WN
    Add to Quote to request pricing
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Product Availability
  1. In Stock, Ships Today 39items
Brand
  1. Apollo 1item
  2. Champion Valves 27items
  3. Danfoss 101items
  4. Frick 75items
  5. Hansen 250items
  6. Henry 34items
  7. Ingersoll Rand 15items
  8. M&M Refrigeration 1item
  9. Parker 2items
  10. Phillips 52items
  11. Parker - Refrigerating Specialties (RS) 480items
  12. Temprite 1item
  13. Vilter 18items
Condition Type
  1. New In Box 1item
Category
  1. Check Valves 855items
  2. Check Valve Piston & Seat Kits 10items
  3. Check Valve Replacement Parts 1item
  4. Clearance / Liquidation 1item
  5. Flanges & Gaskets 140items
  6. Gas-Powered Valves 5items
  7. Quote Only 2items
  8. Solenoid Valve Flanges & Gaskets 15items
  9. Valve Parts 5items
  10. Valves 25items
Outlet Connection
  1. 1" 1item
  2. 1-1/4" 1item
  3. 1 1/2" 1item
Port Size
  1. 1/2" 21items
  2. 3/4" 64items
  3. 5/8" 8items
  4. 7/8" 2items
  5. 1" 54items
  6. 1-1/4" 77items
  7. 1-1/2" 26items
  8. 1-5/8" 37items
  9. 2" 86items
  10. 2-1/4" 3items
  11. 2-1/2" 78items
  12. 3" 74items
  13. 4" 63items
  14. 5" 23items
  15. 6" 20items
  16. 8" 2items
  17. 1-1/2" (marked with CE) 2items
  18. 2" (marked with CE) 1item
  19. 2-1/2" (marked with CE) 1item
Body Material
  1. ACT 4items
  2. Cast Steel (A-352 GR, LCB) 103items
  3. Ductile Iron (GGG-40.3) 43items
  4. Gray Iron 123items
  5. GGG-40.3 38items
  6. Stainless Steel 1item
Model
  1. MS-4 2items
  2. MS-6 2items
  3. MS-8 1item
  4. MS-10 2items
  5. MS-12 2items
  6. MS-14 2items
  7. MS-18 2items
  8. MS-22 2items
  9. MS-26 2items
  10. MS-34 2items
  11. MS-42 2items
  12. MS-50 2items
  13. SDR 9items
  14. NZW 17items
Connection Pipe Size
  1. 2" 1item
  2. 1-1/4" (marked with CE) 1item
Connection
  1. N/A 6items
  2. 1/2" ODS 1item
  3. 1-1/8" ODS 2items
  4. 1-1/2" FPT Female Flange 1item
  5. 1-1/2" FPT Male Flange 1item
  6. 1-1/2" SW Female Flange 2items
  7. 1-3/8" ODS 2items
  8. 1-5/8" ODS 2items
  9. 2-1/8" ODS 2items
  10. 2-5/8" ODS 1item
  11. 3/8" ODS 1item
  12. 5/8" ODS 1item
  13. 7/8" ODS 1item
  14. 1" FPT Female Flange 1item
  15. 1" FPT Flange Union Kit 2items
  16. 1" FPT Male Flange 1item
  17. 1" SW Female Flange 3items
  18. 1" SW Flange Union Kit 1item
  19. 1" SW Male Flange 1item
  20. 1/2" FPT Female Flange 1item
  21. 1/2" FPT Male Flange 1item
  22. 1/2" SW Female Flange 1item
  23. 1/2" SW Flange Union Kit 1item
  24. 1/2" SW Male Flange 1item
  25. 1-1/4" FPT Female Flange 1item
  26. 1-1/4" FPT Flange Union Kit 1item
  27. 1-1/4" SW Female Flange 2items
  28. 1-3/8" ODS Female Flange 1item
  29. 1-3/8" ODS Flange Union Kit 1item
  30. 1-3/8" ODS Male Flange 1item
  31. 1-5/8" ODS Female Flange 1item
  32. 1-5/8" ODS Flange Union Kit 2items
  33. 1-5/8" ODS Male Flange 1item
  34. 2" FPT Female Flange 1item
  35. 2" FPT Male Flange 1item
  36. 2" SW Female Flange 2items
  37. 2-1/2" SW Female Flange 1item
  38. 2-1/2" SW Flange Union Kit 2items
  39. 2-1/8" ODS Female Flange 1item
  40. 2-1/8" ODS Flange Union Kit 2items
  41. 2-1/8" ODS Male Flange 1item
  42. 2-5/8" ODS Female Flange 1item
  43. 2-5/8" ODS Flange Union Kit 1item
  44. 2-5/8" ODS Male Flange 1item
  45. 3/4" FPT Female Flange 2items
  46. 3/4" FPT Male Flange 1item
  47. 3/4" SW Female Flange 1item
  48. 3/4" SW Flange Union Kit 2items
  49. 3/4" SW Male Flange 1item
  50. 3-1/8" ODS Female Flange 1item
  51. 3-1/8" ODS Flange Union Kit 1item
  52. 3-1/8" ODS Male Flange 1item
  53. 4" SW Male Flange 1item
  54. 3/4" 4items
  55. 1" 2items
  56. 1-1/2" 1item
  57. 2-1/2" 2items
  58. 3-1/8" 4items
  59. 3-5/8" 2items
  60. 5" 2items
  61. 4-1/8" 4items
  62. 2-1/8" 2items
Valve Body Type
  1. Carbon Steel 17items
  2. Ductile Iron 9items
Flange Size
  1. No Flanges 30items
  2. 1/2" 8items
  3. 3/4" 17items
  4. 3/8" 1item
  5. 1" 10items
  6. 1-1/4" 10items
  7. 1-1/2" 12items
  8. 1-5/8" 1item
  9. 2" 12items
  10. 2-1/2" 2items
  11. 2-1/8" 1item
  12. 3" 7items
  13. 4" 4items
  14. 1" x 1-1/4" 1item
  15. 1-1/4" x 1" 1item
  16. 2" x 1-1/2" 1item
Port Size (MM)
  1. 15mm 18items
  2. 20mm 37items
  3. 25mm 37items
  4. 32mm 54items
  5. 40mm 35items
  6. 50mm 59items
  7. 65mm 58items
  8. 80mm 48items
  9. 100mm 37items
  10. 125mm 14items
  11. 150mm 15items
  12. 200mm 2items
Connection Style
  1. None 6items
  2. Socket-Weld 5items
  3. Weld Neck 2items
  4. Weld-End 2items
  5. ODS 2items
  6. Copper 7items
Flange Style
  1. N/A 22items
  2. No Flanges 1item
  3. With Flanges 1item
  4. Oval 10items
  5. Square 21items
Strainer Type
  1. Without Strainer 230items
  2. With Strainer 26items
  3. No Strainer 23items
Flange Connection
  1. N/A 30items
  2. FPT 14items
  3. Socket-Weld 34items
  4. Weld Neck 7items
  5. ODC 2items
  6. Socket-Weld x Socket-Weld 3items
  7. Socket Inlet x Socket Inlet 1item
Spring
  1. 705A-20L 3items
  2. 705A-30L 1item
  3. 705A-2L 1item
  4. 705A-60L 1item
  5. 705A-10L 1item
  6. 705A-110L 1item
  7. 705A-165L 1item
  8. 705B-30L 1item
  9. 705B-3L 2items
  10. 705B-10L 1item
  11. 705-10L 2items
  12. 705-20L 2items
  13. 705-35L 3items
  14. 705-1L 1item
  15. 705-5L 4items
  16. 705-90L 2items
  17. 705-50L 1item
  18. 705-60L 4items
  19. 705-70L 3items
  20. 705-130L 1item
  21. #5 1item
  22. #10 1item
  23. 316 Stainless Steel 26items
Inlet
  1. 1" 1item
  2. 1-1/2" 1item
  3. 1-1/4" 1item