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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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1047 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. 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
  7. 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
  8. Hansen 75-0138, Gasket, 1-1/2 2 Flange Hansen 75-0138, Gasket, 1-1/2 2 Flange
    SHIPS TODAY
    Hansen 75-0138, Gasket, 1-1/2 2 Flange
    Web Price $26.78
  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. 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
  11. 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
  12. 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
  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-ACT, #100 Flange, 1 SW KIT, ACT Hansen HKS100/100-ACT, #100 Flange, 1 SW KIT, ACT
    SHIPS TODAY
    Hansen HKS100/100-ACT, #100 Flange, 1 SW KIT, ACT
    Add to Quote to request pricing
  15. Hansen HCK4-7, 1-1/2 Hansen HCK4-7, 1-1/2
    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 $392.67
  16. 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
  17. Hansen HKS250/250, #250 Flange, 2-1/2 Socket Weld Kit Hansen HKS250/250, #250 Flange, 2-1/2 Socket Weld Kit
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    Hansen HKS250/250, #250 Flange, 2-1/2 Socket Weld Kit
    List Price $330.00 List Price $330.00 Web Price $226.60
  18. Parker - Refrigerating Specialties: CK320, 3/4 CK3 Parker - Refrigerating Specialties: CK320, 3/4 CK3
    Parker - Refrigerating Specialties: CK320, 3/4 CK3
    List Price $410.00 List Price $410.00 Web Price $273.33
  19. 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
  20. 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
  21. 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
  22. 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 $59.37
  23. 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 $1,023.14 List Price $1,023.14 Web Price $882.28
  24. Hansen HCK4-2, 5/8 (16MM) Flanged In-Line Check Valve Hansen HCK4-2, 5/8 (16MM) Flanged In-Line Check Valve
    SHIPS TODAY
    Hansen HCK4-2, 5/8 (16MM) Flanged In-Line Check Valve
    List Price $222.00 List Price $222.00 Web Price $152.44
  25. 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
    SHIPS TODAY
    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
  26. Hansen HKT050/050, #050 Flange, 1/2 FPT Kit Hansen HKT050/050, #050 Flange, 1/2 FPT Kit
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    Hansen HKT050/050, #050 Flange, 1/2 FPT Kit
    List Price $97.00 List Price $97.00 Web Price $64.67
  27. 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
  28. Hansen HCK1/5, 2 (50MM) Piston Check Valve Hansen HCK1/5, 2 (50MM) Piston Check Valve
    Hansen HCK1/5, 2 (50MM) Piston Check Valve
    List Price $1,367.00 List Price $1,367.00 Web Price $883.53
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. Parker - Refrigerating Specialties: CK313, 1/2 CK3 Parker - Refrigerating Specialties: CK313, 1/2 CK3
    Parker - Refrigerating Specialties: CK313, 1/2 CK3
    Add to Quote to request pricing
  36. Parker - Refrigerating Specialties: CK325, 1 CK3 Parker - Refrigerating Specialties: CK325, 1 CK3
    SHIPS TODAY
    Parker - Refrigerating Specialties: CK325, 1 CK3
    List Price $483.00 List Price $483.00 Web Price $331.66
  37. 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
  38. 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
  39. 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
  40. Hansen HSCK200C, 2 Stop/Check Valve, SC Hansen HSCK200C, 2 Stop/Check Valve, SC
    Hansen HSCK200C, 2 Stop/Check Valve, SC
    List Price $1,462.00 List Price $1,462.00 Web Price $939.77
  41. HKNxxx-ACT Hansen Flange Kit - Flanges with bolts HKNxxx-ACT Hansen Flange Kit - Flanges with bolts
    HKNxxx-ACT Hansen Flange Kit
    List Price $345.00 List Price $345.00 As low as $0.00
  42. Parker - Refrigerating Specialties: CK413F13NSN, 1/2 CK4A2 1/2FPT Parker - Refrigerating Specialties: CK413F13NSN, 1/2 CK4A2 1/2FPT
    Parker - Refrigerating Specialties: CK413F13NSN, 1/2 CK4A2 1/2FPT
    List Price $321.00 List Price $321.00 Web Price $214.00
  43. Parker - Refrigerating Specialties: CK420X00NSN, 3/4 CK4A3 Parker - Refrigerating Specialties: CK420X00NSN, 3/4 CK4A3
    Parker - Refrigerating Specialties: CK420X00NSN, 3/4 CK4A3
    List Price $237.00 List Price $237.00 Web Price $158.00
  44. S2SW-2F Henry Flange Union, 2" Socket Welded Female Flange, Socket Weld - Square 4 Bolt S2SW-2F Henry Flange Union, 2" Socket Welded Female Flange, Socket Weld - Square 4 Bolt
    S2SW-2F Henry Flange Union, 2" Socket Welded Female Flange, Socket Weld - Square 4 Bolt
    Web Price $77.43
  45. 148B6004 Danfoss Stop/check valve, SCA-X 100 A, Angle 4 BW 148B6004 Danfoss Stop/check valve, SCA-X 100 A, Angle 4 BW
    148B6004 Danfoss Stop/check valve, SCA-X 100 A, Angle 4 BW
    List Price $2,353.09 List Price $2,353.09 Web Price $1,931.74
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Product Availability
  1. In Stock, Ships Today 36items
Brand
  1. Apollo 1item
  2. Champion Valves 27items
  3. Danfoss 101items
  4. Frick 75items
  5. Hansen 250items
  6. Henry 31items
  7. Ingersoll Rand 15items
  8. M&M Refrigeration 1item
  9. Parker 2items
  10. Phillips 45items
  11. Parker - Refrigerating Specialties (RS) 480items
  12. Temprite 1item
  13. Vilter 18items
Condition Type
  1. New In Box 1item
Category
  1. Check Valves 847items
  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 13items
  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" 53items
  6. 1-1/4" 76items
  7. 1-1/2" 26items
  8. 1-5/8" 37items
  9. 2" 85items
  10. 2-1/4" 2items
  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 1item
  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 1item
  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 1item
  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 28items
  2. 1/2" 8items
  3. 3/4" 17items
  4. 3/8" 1item
  5. 1" 10items
  6. 1-1/4" 9items
  7. 1-1/2" 12items
  8. 1-5/8" 1item
  9. 2" 10items
  10. 2-1/2" 2items
  11. 2-1/8" 1item
  12. 3" 6items
  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 21items
  2. No Flanges 1item
  3. With Flanges 1item
  4. Oval 10items
  5. Square 19items
Strainer Type
  1. Without Strainer 229items
  2. With Strainer 26items
  3. No Strainer 21items
Flange Connection
  1. N/A 28items
  2. FPT 13items
  3. Socket-Weld 31items
  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 1item
  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 1item
  10. 705B-10L 1item
  11. 705-10L 2items
  12. 705-20L 2items
  13. 705-35L 3items
  14. 705-1L 1item
  15. 705-5L 3items
  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