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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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2038 items

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  1. Hansen 70-0065, Gasket, 050 Flange and Control Valve Pilot Port Hansen 70-0065, Gasket, 050 Flange and Control Valve Pilot Port
    SHIPS TODAY
    Hansen 70-0065, Gasket, 050 Flange and Control Valve Pilot Port
    Web Price $26.00
  2. F6309 HENRY MAGNI-CHEK VALVE M F6309 HENRY MAGNI-CHEK VALVE M
    F6309 Henry Magni-Chek Valve MS-10 for 5/8" O.D. Tube Size
    Web Price $31.88
  3. F6313 HENRY MAGNI-CHEK VALVE M F6313 HENRY MAGNI-CHEK VALVE M
    F6313 Henry Magni-Chek Valve MS-22 for 1-3/8" O.D. Tube Size
    Add to Quote to request pricing
  4. Henry Default Image Henry Default Image
    116007 Henry 7/8" Ods Brass Globe Check Valve
    Web Price $166.58
  5. F6310 Henry Magni-Chek Valve MS-12 for 3/4" O.D. Tube Size F6310 Henry Magni-Chek Valve MS-12 for 3/4" O.D. Tube Size
    F6310 Henry Magni-Chek Valve MS-12 for 3/4" O.D. Tube Size
    Web Price $65.85
  6. Henry Magni-Chek Valve Henry Magni-Chek Valve
    F6306 Henry Magni-Chek Valve MS-4 for 1/4" O.D. Tube Size
    Add to Quote to request pricing
  7. 70-1005 Hansen Gasket Kit for HS8 Solenoid Valve. 70-1005 Hansen Gasket Kit for HS8 Solenoid Valve.
    SHIPS TODAY
    Hansen 70-1005, Gasket Kit For HS8 Solenoid Valve
    Web Price $67.00
  8. Hansen HCK4-3, 3/4 (20MM) Flanged In-Line Check Valve Hansen HCK4-3, 3/4 (20MM) Flanged In-Line Check Valve
    SHIPS TODAY
    Hansen HCK4-3, 3/4 (20MM) Flanged In-Line Check Valve
    List Price $236.00 List Price $236.00 Web Price $162.05
  9. Henry Magni-Chek valve, showing check valve and interior of check valve. Henry Magni-Chek valve, showing check valve and interior of check valve.
    F6-series Henry Magni-Chek Valves
    List Price $511.28 List Price $511.28 As low as $23.00
  10. Hansen 75-0138, Gasket, 1-1/2 2 Flange Hansen 75-0138, Gasket, 1-1/2 2 Flange
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    Hansen 75-0138, Gasket, 1-1/2 2 Flange
    Web Price $26.78
  11. Henry Magni-Chek valve, showing check valve and interior view of check valve. Henry Magni-Chek valve, showing check valve and interior view of check valve.
    F6312 Henry Magni-Chek Valve MS-18 for 1-1/8" O.D. Tube Size
    Web Price $115.52
  12. Hansen HKS100/075, #100 Flange, 3/4 Socket Weld Kit Hansen HKS100/075, #100 Flange, 3/4 Socket Weld Kit
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    Hansen HKS100/075, #100 Flange, 3/4 Socket Weld Kit
    List Price $122.00 List Price $122.00 Web Price $81.33
  13. Hansen HKS200/150, #200 Flange, 1-1/2 Socket Weld Kit (2 Male Flanges) Hansen HKS200/150, #200 Flange, 1-1/2 Socket Weld Kit (2 Male Flanges)
    SHIPS TODAY
    Hansen HKS200/150, #200 Flange, 1-1/2 Socket Weld Kit (2 Male Flanges)
    List Price $192.00 List Price $192.00 Web Price $131.84
  14. Hansen HKS100/100, #100 Flange, 1 Socket Weld Kit Hansen HKS100/100, #100 Flange, 1 Socket Weld Kit
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    Hansen HKS100/100, #100 Flange, 1 Socket Weld Kit
    List Price $122.00 List Price $122.00 Web Price $83.77
  15. O2PT-1X3/4F Henry Flange Union, Female Pipe Thread - Oval 2 Bolt Flanges 3/4 O2PT-1X3/4F Henry Flange Union, Female Pipe Thread - Oval 2 Bolt Flanges 3/4
    O2PT-1X3/4F Henry Flange Union, Female Pipe Thread - Oval 2 Bolt Flanges 3/4" FPT Female Flange
    Web Price $49.40
  16. Hansen HKS100/100-ACT, #100 Flange, 1 SW KIT, ACT Hansen HKS100/100-ACT, #100 Flange, 1 SW KIT, ACT
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    Hansen HKS100/100-ACT, #100 Flange, 1 SW KIT, ACT
    Web Price $113.09
  17. 205-1-5/8 Henry Check Valve, Brass Globe Type for Discharge Line 1-5/8" ODS 205-1-5/8 Henry Check Valve, Brass Globe Type for Discharge Line 1-5/8" ODS
    205-1-5/8 Henry Check Valve, Brass Globe Type for Discharge Line 1-5/8" ODS
    List Price $497.05 List Price $497.05 Web Price $472.20
  18. Hansen HCK4-5, 1-1/4 (32MM)In-Line Check Valve CE-CAT.I, MOD.A, EF100 Hansen HCK4-5, 1-1/4 (32MM)In-Line Check Valve CE-CAT.I, MOD.A, EF100
    Hansen HCK4-5, 1-1/4 (32MM)In-Line Check Valve CE-CAT.I, MOD.A, EF100
    List Price $468.00 List Price $468.00 Web Price $312.00
  19. Hansen HCK4-7, 1-1/2 Hansen HCK4-7, 1-1/2
    SHIPS TODAY
    Hansen HCK4-7 1-1/2" (40mm) Flanged In-Line Check Valve CATII, MOD H, EF101
    List Price $589.00 List Price $589.00 Web Price $404.45
  20. Hansen HKS250/250, #250 Flange, 2-1/2 Socket Weld Kit Hansen HKS250/250, #250 Flange, 2-1/2 Socket Weld Kit
    Hansen HKS250/250, #250 Flange, 2-1/2 Socket Weld Kit
    List Price $330.00 List Price $330.00 Web Price $220.00
  21. O2SW-1X3/4 Henry Flange Union, Socket Weld - Oval 2 Bolt Flanges, 3/4" Socket Weld Flange Union Kit O2SW-1X3/4 Henry Flange Union, Socket Weld - Oval 2 Bolt Flanges, 3/4" Socket Weld Flange Union Kit
    O2SW-1X3/4 Henry Flange Union, Socket Weld - Oval 2 Bolt Flanges, 3/4" Socket Weld Flange Union Kit
    Web Price $123.80
  22. Parker - Refrigerating Specialties: CK320, 3/4 CK3 Parker - Refrigerating Specialties: CK320, 3/4 CK3
    Parker - Refrigerating Specialties: CK320, 3/4 CK3
    List Price $422.00 List Price $422.00 Web Price $281.33
  23. S2OD-2-1/8 Henry Flange Union, 2-1/8" ODS Flange Union Kit,OD Solder Copper Connections - Sq. 4 Bolt Flange S2OD-2-1/8 Henry Flange Union, 2-1/8" ODS Flange Union Kit,OD Solder Copper Connections - Sq. 4 Bolt Flange
    S2OD-2-1/8 Henry Flange Union, 2-1/8" ODS Flange Union Kit,OD Solder Copper Connections - Sq. 4 Bolt Flange
    List Price $338.35 List Price $338.35 Web Price $321.43
  24. F6314 Henry Magni-Chek Valve MS-26 for 1-5/8 F6314 Henry Magni-Chek Valve MS-26 for 1-5/8
    F6314 Henry Magni-Chek Valve MS-26 for 1-5/8" O.D. Tube Size
    Add to Quote to request pricing
  25. Hansen HKT050/050, #050 Flange, 1/2 FPT Kit Hansen HKT050/050, #050 Flange, 1/2 FPT Kit
    Hansen HKT050/050, #050 Flange, 1/2 FPT Kit
    List Price $97.00 List Price $97.00 Web Price $64.67
  26. Henry Default Logo Henry Default Logo
    S2SW-series Henry Flange Unions, Male & Female Socket Weld
    List Price $178.74 List Price $178.74 As low as $56.40
  27. 148B5703 Danfoss Stop/check valve, SCA-X 50 A, Angle 2 BW 148B5703 Danfoss Stop/check valve, SCA-X 50 A, Angle 2 BW
    148B5703 Danfoss Stop/check valve, SCA-X 50 A, Angle 2 BW
    List Price $1,278.05 List Price $1,278.05 Web Price $906.61
  28. Hansen HCK4-2, 5/8 (16MM) Flanged In-Line Check Valve Hansen HCK4-2, 5/8 (16MM) Flanged In-Line Check Valve
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    Hansen HCK4-2, 5/8 (16MM) Flanged In-Line Check Valve
    List Price $222.00 List Price $222.00 Web Price $152.44
  29. O2SW-1F Henry Flange Union, Socket Weld - Oval 2 Bolt Flanges, 1" Socket Weld Female Flange O2SW-1F Henry Flange Union, Socket Weld - Oval 2 Bolt Flanges, 1" Socket Weld Female Flange
    O2SW-1F Henry Flange Union, Socket Weld - Oval 2 Bolt Flanges, 1" Socket Weld Female Flange
    Web Price $47.02
  30. Parker - Refrigerating Specialties: CK313, 1/2 CK3 Parker - Refrigerating Specialties: CK313, 1/2 CK3
    Parker - Refrigerating Specialties: CK313, 1/2 CK3
    List Price $411.00 List Price $411.00 Web Price $274.00
  31. Hansen 75-0253, Flange Gasket For 4 HA4A, HS4A Hansen 75-0253, Flange Gasket For 4 HA4A, HS4A
    SHIPS TODAY
    Hansen 75-0253, Flange Gasket For 4 HA4A, HS4A
    Web Price $32.00
  32. Hansen HCK1/5, 2 (50MM) Piston Check Valve Hansen HCK1/5, 2 (50MM) Piston Check Valve
    SHIPS TODAY
    Hansen HCK1/5, 2 (50MM) Piston Check Valve
    List Price $1,367.00 List Price $1,367.00 Web Price $910.04
  33. O2PT-series Henry Flange Unions, Female Pipe Thread O2PT-series Henry Flange Unions, Female Pipe Thread
    O2PT-series Henry Flange Unions, Female Pipe Thread
    List Price $123.79 List Price $123.79 As low as $48.97
  34. Parker - Refrigerating Specialties: CK420X00NSN, 3/4 CK4A3 Parker - Refrigerating Specialties: CK420X00NSN, 3/4 CK4A3
    Parker - Refrigerating Specialties: CK420X00NSN, 3/4 CK4A3
    List Price $244.00 List Price $244.00 Web Price $162.67
  35. F6085 Henry Magni-Chek Valve MS-50 for 3-1/8 F6085 Henry Magni-Chek Valve MS-50 for 3-1/8
    F6085 Henry Magni-Chek Valve MS-50 for 3-1/8" O.D. Tube Size
    Add to Quote to request pricing
  36. F6311 Henry Magni-Chek Valve MS-14 for 7/8" O.D. Tube Size F6311 Henry Magni-Chek Valve MS-14 for 7/8" O.D. Tube Size
    SHIPS TODAY
    F6311 Henry Magni-Chek Valve MS-14 for 7/8" O.D. Tube Size
    Web Price $67.83
  37. Hansen 70-1011, Gasket Kit For HS6 Solenoid Valve Hansen 70-1011, Gasket Kit For HS6 Solenoid Valve
    SHIPS TODAY
    Hansen 70-1011, Gasket Kit For HS6 Solenoid Valve
    Web Price $63.86
  38. Hansen HKT050/025, #050 Flange, 1/4 FPT Kit Hansen HKT050/025, #050 Flange, 1/4 FPT Kit
    Hansen HKT050/025, #050 Flange, 1/4 FPT Kit
    List Price $97.00 List Price $97.00 Web Price $64.67
  39. Hansen UK200, #200 Flange Union Kit Hansen UK200, #200 Flange Union Kit
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    Hansen UK200, #200 Flange Union Kit
    List Price $239.00 List Price $239.00 Web Price $164.11
  40. Parker - Refrigerating Specialties: CK325, 1 CK3 Parker - Refrigerating Specialties: CK325, 1 CK3
    SHIPS TODAY
    Parker - Refrigerating Specialties: CK325, 1 CK3
    List Price $497.00 List Price $497.00 Web Price $341.27
  41. 205-1-1/8 Henry Check Valve, Brass Globe Type for Discharge Line 1-1/8 205-1-1/8 Henry Check Valve, Brass Globe Type for Discharge Line 1-1/8
    205-1-1/8 Henry Check Valve, Brass Globe Type for Discharge Line 1-1/8" ODS
    Web Price $310.23
  42. 600AK-ZR Phillips Check Valve, 1-1/2 600AK-ZR Phillips Check Valve, 1-1/2
    600AK-ZR Phillips Check Valve, 1-1/2 Orifice, In-Line Disc-Type, 2 Socket Weld Flanges
    List Price $811.00 List Price $811.00 Web Price $656.30
  43. Check Valve, In-Line Piston Type W/ 705-5L 2 PSI Spring, Flanged 1 Less Flanges Check Valve, In-Line Piston Type W/ 705-5L 2 PSI Spring, Flanged 1 Less Flanges
    Check Valve, In-Line Piston Type W/ 705-5L 2 PSI Spring, Flanged 1 Less Flanges
    List Price $686.00 List Price $686.00 Web Price $571.07
  44. Hansen HCK1/7, 3 (80MM) Piston Check Valve Hansen HCK1/7, 3 (80MM) Piston Check Valve
    SHIPS TODAY
    Hansen HCK1/7, 3 (80MM) Piston Check Valve
    List Price $2,400.00 List Price $2,400.00 Web Price $1,521.23
  45. Hansen HKT100/075, #100 Flange, 3/4 FPT Kit Hansen HKT100/075, #100 Flange, 3/4 FPT Kit
    SHIPS TODAY
    Hansen HKT100/075, #100 Flange, 3/4 FPT Kit
    List Price $122.00 List Price $122.00 Web Price $83.77
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Product Availability
  1. In Stock, Ships Today 69items
Brand
  1. Apollo 2items
  2. Champion Valves 27items
  3. Danfoss 190items
  4. Frick 147items
  5. Hansen 500items
  6. Henry 68items
  7. Ingersoll Rand 30items
  8. M&M Refrigeration 2items
  9. Parker 4items
  10. Phillips 98items
  11. Parker - Refrigerating Specialties (RS) 932items
  12. Temprite 2items
  13. Vilter 36items
Condition Type
  1. New In Box 2items
Category
  1. Check Valves 1659items
  2. Check Valve Piston & Seat Kits 20items
  3. Check Valve Replacement Parts 2items
  4. Clearance / Liquidation 2items
  5. Flanges & Gaskets 280items
  6. Gas-Powered Valves 10items
  7. Quote Only 4items
  8. Solenoid Valve Flanges & Gaskets 30items
  9. Valve Parts 10items
  10. Valves 25items
Outlet Connection
  1. 1" 2items
  2. 1-1/4" 2items
  3. 1 1/2" 2items
Port Size
  1. 1/2" 42items
  2. 3/4" 128items
  3. 5/8" 16items
  4. 7/8" 4items
  5. 1" 106items
  6. 1-1/4" 154items
  7. 1-1/2" 52items
  8. 1-5/8" 74items
  9. 2" 170items
  10. 2-1/4" 4items
  11. 2-1/2" 156items
  12. 3" 148items
  13. 4" 126items
  14. 5" 46items
  15. 6" 40items
  16. 8" 4items
  17. 1-1/2" (marked with CE) 4items
  18. 2" (marked with CE) 2items
  19. 2-1/2" (marked with CE) 2items
Body Material
  1. ACT 8items
  2. Cast Steel (A-352 GR, LCB) 206items
  3. Ductile Iron (GGG-40.3) 86items
  4. Gray Iron 246items
  5. GGG-40.3 76items
  6. Stainless Steel 2items
Model
  1. MS-4 4items
  2. MS-6 4items
  3. MS-8 2items
  4. MS-10 4items
  5. MS-12 4items
  6. MS-14 4items
  7. MS-18 4items
  8. MS-22 4items
  9. MS-26 4items
  10. MS-34 4items
  11. MS-42 4items
  12. MS-50 4items
  13. SDR 9items
  14. NZW 17items
Connection Pipe Size
  1. 2" 2items
  2. 1-1/4" (marked with CE) 2items
Connection
  1. N/A 12items
  2. 1/2" ODS 2items
  3. 1-1/8" ODS 4items
  4. 1-1/2" FPT Female Flange 2items
  5. 1-1/2" FPT Male Flange 2items
  6. 1-1/2" SW Female Flange 4items
  7. 1-3/8" ODS 4items
  8. 1-5/8" ODS 4items
  9. 2-1/8" ODS 4items
  10. 2-5/8" ODS 2items
  11. 3/8" ODS 2items
  12. 5/8" ODS 2items
  13. 7/8" ODS 2items
  14. 1" FPT Female Flange 2items
  15. 1" FPT Flange Union Kit 4items
  16. 1" FPT Male Flange 2items
  17. 1" SW Female Flange 6items
  18. 1" SW Flange Union Kit 2items
  19. 1" SW Male Flange 2items
  20. 1/2" FPT Female Flange 2items
  21. 1/2" FPT Male Flange 2items
  22. 1/2" SW Female Flange 2items
  23. 1/2" SW Flange Union Kit 2items
  24. 1/2" SW Male Flange 2items
  25. 1-1/4" FPT Female Flange 2items
  26. 1-1/4" FPT Flange Union Kit 2items
  27. 1-1/4" SW Female Flange 4items
  28. 1-3/8" ODS Female Flange 2items
  29. 1-3/8" ODS Flange Union Kit 2items
  30. 1-3/8" ODS Male Flange 2items
  31. 1-5/8" ODS Female Flange 2items
  32. 1-5/8" ODS Flange Union Kit 4items
  33. 1-5/8" ODS Male Flange 2items
  34. 2" FPT Female Flange 2items
  35. 2" FPT Male Flange 2items
  36. 2" SW Female Flange 4items
  37. 2-1/2" SW Female Flange 2items
  38. 2-1/2" SW Flange Union Kit 4items
  39. 2-1/8" ODS Female Flange 2items
  40. 2-1/8" ODS Flange Union Kit 4items
  41. 2-1/8" ODS Male Flange 2items
  42. 2-5/8" ODS Female Flange 2items
  43. 2-5/8" ODS Flange Union Kit 2items
  44. 2-5/8" ODS Male Flange 2items
  45. 3/4" FPT Female Flange 4items
  46. 3/4" FPT Male Flange 2items
  47. 3/4" SW Female Flange 2items
  48. 3/4" SW Flange Union Kit 4items
  49. 3/4" SW Male Flange 2items
  50. 3-1/8" ODS Female Flange 2items
  51. 3-1/8" ODS Flange Union Kit 2items
  52. 3-1/8" ODS Male Flange 2items
  53. 4" SW Male Flange 2items
  54. 3/4" 8items
  55. 1" 4items
  56. 1-1/2" 2items
  57. 2-1/2" 4items
  58. 3-1/8" 8items
  59. 3-5/8" 4items
  60. 5" 4items
  61. 4-1/8" 8items
  62. 2-1/8" 4items
Valve Body Type
  1. Carbon Steel 17items
  2. Ductile Iron 9items
Flange Size
  1. No Flanges 60items
  2. 1/2" 16items
  3. 3/4" 34items
  4. 3/8" 2items
  5. 1" 20items
  6. 1-1/4" 18items
  7. 1-1/2" 24items
  8. 1-5/8" 2items
  9. 2" 22items
  10. 2-1/2" 4items
  11. 2-1/8" 2items
  12. 3" 12items
  13. 4" 8items
  14. 1" x 1-1/4" 2items
  15. 1-1/4" x 1" 2items
  16. 2" x 1-1/2" 2items
Port Size (MM)
  1. 15mm 36items
  2. 20mm 74items
  3. 25mm 74items
  4. 32mm 108items
  5. 40mm 70items
  6. 50mm 118items
  7. 65mm 116items
  8. 80mm 96items
  9. 100mm 74items
  10. 125mm 28items
  11. 150mm 30items
  12. 200mm 4items
Connection Style
  1. None 12items
  2. Socket-Weld 10items
  3. Weld Neck 4items
  4. Weld-End 4items
  5. ODS 4items
  6. Copper 14items
Flange Style
  1. N/A 44items
  2. No Flanges 2items
  3. With Flanges 2items
  4. Oval 20items
  5. Square 38items
Strainer Type
  1. Without Strainer 458items
  2. With Strainer 52items
  3. No Strainer 46items
Flange Connection
  1. N/A 60items
  2. FPT 26items
  3. Socket-Weld 64items
  4. Weld Neck 14items
  5. ODC 4items
  6. Socket-Weld x Socket-Weld 6items
  7. Socket Inlet x Socket Inlet 2items
Spring
  1. 705A-20L 6items
  2. 705A-30L 2items
  3. 705A-2L 2items
  4. 705A-60L 2items
  5. 705A-10L 2items
  6. 705A-110L 2items
  7. 705A-165L 2items
  8. 705B-30L 2items
  9. 705B-3L 2items
  10. 705B-10L 2items
  11. 705-10L 4items
  12. 705-20L 4items
  13. 705-35L 6items
  14. 705-1L 2items
  15. 705-5L 6items
  16. 705-90L 4items
  17. 705-50L 2items
  18. 705-60L 8items
  19. 705-70L 6items
  20. 705-130L 2items
  21. #5 2items
  22. #10 2items
  23. 316 Stainless Steel 26items
Inlet
  1. 1" 2items
  2. 1-1/2" 2items
  3. 1-1/4" 2items