Check Valves

Elbow Check Valve Stainless Steel - 1/4" Push-in x 1/8" MPT

Part Number: SCV-CI480821W
Alternate Part Number: SCV-PI480821S (grey)

Stainless Steel check valve inserted into a John Guest Male Elbow Push-In fitting 1/4 OD Tube size x 1/4 Male NPT. Commonly used with standard membranes on the product water (ie permeate or RO) outlet port. View Details

$8.40

Elbow Check Valve Stainless Steel - 1/4" Push-in x 1/4" MPT

Part Number: SCV-PI480822S

Stainless Steel check valve inserted into a John Guest Male Elbow Push-In fitting 1/4 OD Tube size x 1/4 Male NPT. View Details

$8.60

Male Straight Check Valve Stainless Steel - 1/4" Push-in x 1/8" MPT

Part Number: SCV-CI010821W
Alternate Part Number: SCV-PI010821S (grey)

Stainless Steel check valve inserted into a Straight John Guest Male Connector Push-In fitting 1/4 OD Tube size x 1/4 Male NPT. Commonly used with standard membranes on the product water (ie permeate or RO) outlet port. View Details

$8.27

Male Straight Check Valve Stainless Steel - 1/4" Push-in x 1/4" MPT

Part Number: SCV-CI010822S

Stainless Steel check valve inserted into a John Guest Male Connector Push-In fitting 1/4 OD Tube size x 1/4 Male NPT. View Details

$8.60

Check Valve - 1/4" Push-in

Part Number: ACHV0404
Alternate Part Number: A4CV4

Acetal body with stainless steel check valve to prevent reverse flow and cross contamination. View Details

$10.88

Check Valve - 3/8" Push-in (1/4 CTS)

Part Number: ACHV0606
Alternate Part Number: A6CV6, 3/8SCV

Acetal body with stainless steel check valve to prevent reverse flow and cross contamination. View Details

$12.47

Check Valve - 1/2" Push-in (3/8 CTS)

Part Number: ACHV0707
Alternate Part Number: A7CV7

Acetal body with stainless steel check valve to prevent reverse flow and cross contamination. View Details

$14.08

Check Valve - 1/2" CTS (5/8" OD)

Part Number: 3540-10
Alternate Part Number: 003540-10, 013540-10

Acetal body with stainless steel check valve to prevent reverse flow and cross contamination. View Details

$7.25

5+ for $5.77 ea
10+ for $5.13 ea

Brass Check Valve - 1/4" MPT x 1/4" MPT

Part Number: CV14B-MM
Alternate Part Number: CV14B-MXM

Check valves are spring-activated, poppet style design to create a positive seal to prevent reverse flow and cross contamination.Also Replaces MarkVII Brass Check valves FJ7050 and 4604M4M. Specifications:Material: Brass...View Details

$6.02

10+ for $5.72 ea
25+ for $5.12 ea

Brass Check Valve - 1/4" MPT inlet x 1/4" FPT

Part Number: CV14B-MF

Check valves are spring-activated, poppet style design to create a positive seal to prevent reverse flow and cross contamination. Specifications:Material: Brass or Stainless SteelConnection: 1/4 Male NPT inlet x 1/4 Female...View Details

$8.20

5+ for $7.38 ea
10+ for $6.97 ea
20+ for $6.77 ea
40+ for $6.56 ea

Inline Stainless Check Valve - 1/8" mpt x 1/8 mpt

Part Number: CV18SS-MM
Alternate Part Number: CV14SS-MXM

Check valves are spring-activated, poppet style design to create a positive seal to prevent reverse flow and cross contamination. Specifications: Material: Brass or Stainless SteelCracking Pressure: 1.5 psi +/- 1/2...View Details

$9.10

5+ for $8.19 ea
10+ for $7.74 ea
20+ for $7.51 ea
40+ for $7.28 ea

Inline Stainless Check Valve - 1/8 mpt Inlet x 1/8 fpt

Part Number: CV18S-MF

Check valves are spring-activated, poppet style design to create a positive seal to prevent reverse flow and cross contamination. Specifications:Material: Brass or Stainless SteelConnection: 1/8" Male NPTF Inlet x 1/8"...View Details

$9.40

5+ for $8.46 ea
10+ for $7.99 ea
20+ for $7.76 ea
40+ for $7.52 ea

Inline Stainless Check Valve - 1/4" MPT x 1/4" MPT

Part Number: CV14S-MM

Check valves are spring-activated, poppet style design to create a positive seal to prevent reverse flow and cross contamination. Specifications:Material: Brass or Stainless SteelCracking Pressure: 1.5 psi +/- 1/2 psiFlow...View Details

$11.95

5+ for $10.76 ea
10+ for $10.16 ea
20+ for $9.86 ea
40+ for $9.56 ea

Inline Stainless Check Valve - 1/4" FPT x 1/4" MPT

Part Number: CV14S-FM
Alternate Part Number: CV14SF, CV14S-FXM

Check valves are spring-activated, poppet style design to create a positive seal to prevent reverse flow and cross contamination. Specifications:Material: Brass or Stainless SteelCracking Pressure: 1.5 psi +/- 1/2 psiFlow...View Details

$11.35

5+ for $10.22 ea
10+ for $9.65 ea
20+ for $9.36 ea
40+ for $9.08 ea

Inline Stainless Check Valve Viton O-Ring - 1/4" FPT x 1/4" MPT

Part Number: CV14SV-FM
Alternate Part Number: CV14SF-V

Check valves are spring-activated, poppet style design to create a positive seal to prevent reverse flow and cross contamination. Specifications:Material: Brass or Stainless SteelCracking Pressure: 1.5 psi +/- 1/2 psiFlow...View Details

$11.37

5+ for $10.23 ea
10+ for $9.66 ea
20+ for $9.38 ea
40+ for $9.10 ea

Check Valve 426 Series PVC Gray 1/4" FPT BUNA

Part Number: 5721090
Alternate Part Number: PVC 426-4F4F-B

Prevents reverse flow and cross contamination. The 426 Series Check Valve design promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless spring and ball is the standard configuration. PVC is a NSF...View Details

$10.96

5+ for $8.77 ea
10+ for $7.67 ea
20+ for $7.12 ea

Check Valve 426 Series PVC Gray 1/4" FPT VITON

Part Number: 5720690
Alternate Part Number: PVC 426-4F4F-F

Prevents reverse flow and cross contamination. The 426 Series Check Valve design promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless spring and ball is the standard configuration. PVC is a NSF...View Details

$12.91

5+ for $10.33 ea
10+ for $9.04 ea
20+ for $8.39 ea

Check Valve 426 Series PVC Gray 1/4 FPT x 1/4 MPT BUNA

Part Number: 5721290
Alternate Part Number: PVC 426-4F4M-B

Prevents reverse flow and cross contamination. The 426 Series Check Valve design promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless spring and ball is the standard configuration. PVC is a NSF...View Details

$11.55

5+ for $9.24 ea
10+ for $8.09 ea
20+ for $7.51 ea

Check Valve 426 Series PVC Gray 1/2" Barb BUNA

Part Number: 5721590
Alternate Part Number: PVC 426-8B8B-B

Prevents reverse flow and cross contamination. The 426 Series Check Valve design promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless spring and ball is the standard configuration. PVC is a NSF...View Details

$11.55

5+ for $9.24 ea
10+ for $8.09 ea
20+ for $7.51 ea

Inline Poppet Check Valve 685 Series PP 1/2" FPT - BUNA

Part Number: 6850090
Alternate Part Number: FP CHK 685-8F8F-B

Prevents reverse flow and cross contamination. The 685 Series Poppet Check Valve incorporates a thin elastomer disc supported by a poppet that seals on the seat. Pressure in the flow direction moves the seal off the seat first before...View Details

$11.57

5+ for $9.26 ea
10+ for $8.10 ea
20+ for $7.52 ea

Inline Poppet Check Valve 687 Series PP 3/4" FPT - BUNA

Part Number: 6870090
Alternate Part Number: FP CHK 687-12F12F-B

Prevents reverse flow and cross contamination. The 687 Series Poppet Check Valve incorporates a thin elastomer disc supported by a poppet that seals on the seat. Pressure in the flow direction moves the seal off the seat first before...View Details

$12.48

5+ for $9.98 ea
10+ for $8.74 ea
20+ for $8.11 ea

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