Check Valves


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Mur-Lok® J0822826 Polypropylene Check Valve 1/2"Watts LF7RU2-2 Check Valve Inline 1/2 Union FPT x 1/2 FPT
Part Number: J0822826
  • Can be installed vertically or horizontally
  • Available with combination of inlet/outlet sizes, types or thread and end connection
  • Temperature Range: 33˚F – 180˚F
  • Minimum Working Pressure: 10psi (69 kPa)
  • Maximum Working Pressure: 175psi (12.07 bar)
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    $14.88 - $1,324.00

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    Watts LF7RU2-2 Lead Free Dual Check Valve 1/2 Union FPT x 1/2 FPTWatts LF7RU2-2 Lead Free Dual Check Valve 1/2 Union FPT x 1/2 FPT
    Part Number: DCV-0072203
    Alternate Part Number: 0072203
    • Can be installed vertically or horizontally
    • Available with combination of inlet/outlet sizes, types or thread and end connection
    • Temperature Range: 33˚F – 180˚F
    • Minimum Working Pressure: 10psi (69 kPa)
    • Maximum Working Pressure: 175psi (12.07 bar)
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      $33.00 

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      Watts LF7RU2-2 Lead Free Dual Check Valve 3/4 Union FNPT x 3/4 FNPTDual Check Valve LF Brass LF7R 3/4 Union FNPT x 3/4 FNPT
      Part Number: DCV-0072204
      Alternate Part Number: 0072204
      • Can be installed vertically or horizontally
      • Available with combination of inlet/outlet sizes, types or thread and end connection
      • Temperature Range: 33˚F – 180˚F
      • Minimum Working Pressure: 10psi (69 kPa)
      • Maximum Working Pressure: 175psi (12.07 bar)
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        $33.49 

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        Watts LF7RU2-2 Lead Free Dual Check Valve 1 Union FNPT x 1 FNPTDual Check Valve LF Brass LF7R 1 Union FNPT x 1 FNPT
        Part Number: DCV-0072205
        Alternate Part Number: 0072205
        • Can be installed vertically or horizontally
        • Available with combination of inlet/outlet sizes, types or thread and end connection
        • Temperature Range: 33˚F – 180˚F
        • Minimum Working Pressure: 10psi (69 kPa)
        • Maximum Working Pressure: 175psi (12.07 bar)
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          $37.99 

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          Brass Check Valve Lead-Free 1" FPTBrass Check Valve Lead-Free 1
          Part Number: CVNL100BS
          • Lead Free Brass Construction
          • Buna-N o-ring
          • Stainless Steel springs, washers, locknuts
          • Delrin poppet stem guide
          • 200 psi WOG working pressure
          • 1" FPT x 1" FPT
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            MSRP: $26.17
            $15.85 

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            Brass Check Valve Lead-Free 1.25" FPTBrass Check Valve Lead-Free 1.25
            Part Number: CVNL125BS
            • Lead Free Brass Construction
            • Buna-N o-ring
            • Stainless Steel springs, washers, locknuts
            • Delrin poppet stem guide
            • 200 psi WOG working pressure
            • 1-1/4" FPT x 1-1/4" FPT
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              MSRP: $41.31
              $24.99 

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              Basement KCV Klunkless Steel Check ValveBasement Watchdog KCV Klunkless Steel Check Valve 4303046
              Part Number: 302882
              Alternate Part Number: 4303046, KCV
              • Eliminates the "clunk" when the pump shuts off
              • Fits pipe from 1-1/4" to 1-1/2" in diameter
              • Air tight chamber prevents water entry
              • Includes stainless steel hose clamp
              • No gluing required
              • Not for use on ejector pumps
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              $27.99 

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              Watts SD3-FN 3/8 Lead Free Dual Check ValveWatts SD3-FN 3/8 Lead Free Dual Check Valve
              Part Number: SD3-FN 3/8
              Alternate Part Number: 61673
              • Certified to ANSI/NSF Standard 18
              • ASSE 1022 Approved 
              • Rubber compounds comply with FDA regulations
              • The Minimizes pressure loss and cavitation
              • Endurance: 500,000 (+) pumping cycle
              • Wye pattern strainer for water supply installations
              • Atmospheric port provides visual indication of failure of the second check

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                $107.94 

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                Kynar PVDF Check Valve 3/8 x 1/4 MNPT - 0.5 psi Crack PressureKynar PVDF Check Valve 3/8 x 1/4 MNPT - 0.5 psi Crack Pressure
                Part Number: FB6MCVC4-HBLK-05
                • Connections: 3/8" quick connect x 1/4" MNPT
                • Cracking Pressure: 0.5 psi
                • Color: Black
                • Max Pressure: 150 psi
                • Temperature Range: 34°F - 150°F
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                  MSRP: $35.65
                  $16.05 

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                  Kynar PVDF Check Valve 3/8 x 1/4 MNPT - 1.5 psi Crack PressureKynar PVDF Check Valve 3/8 x 1/4 MNPT - 1.5 psi Crack Pressure
                  Part Number: FB6MCVC4-HBLU-15
                  • Connections: 3/8" quick connect x 1/4" MNPT
                  • Cracking Pressure: 1.5 psi
                  • Color: Blue
                  • Max Pressure: 150 psi
                  • Temperature Range: 34°F - 150°F
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                    MSRP: $78.10
                    $29.97 

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                    Kynar PVDF Check Valve 3/8 x 1/4 MNPT - 3.0 psi Crack PressureKynar PVDF Check Valve 3/8 x 1/4 MNPT - 3.0 psi Crack Pressure
                    Part Number: FB6MCVC4-HRED-30
                    • Connections: 3/8" quick connect x 1/4" MNPT
                    • Cracking Pressure: 3.0 psi
                    • Color: Red
                    • Max Pressure: 150 psi
                    • Temperature Range: 34°F - 150°F
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                      MSRP: $78.10
                      $29.97 

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                      Kynar PVDF Check Valve 3/8 x 1/4 MNPT - 4.0 psi Crack PressureKynar PVDF Check Valve 3/8 x 1/4 MNPT - 4.0 psi Crack Pressure
                      Part Number: FB6MCVC4-HGRN-40
                      • Connections: 3/8" quick connect x 1/4" MNPT
                      • Cracking Pressure: 4.0 psi
                      • Color: Green
                      • Max Pressure: 150 psi
                      • Temperature Range: 34°F - 150°F
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                        MSRP: $78.10
                        $29.97 

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                        Elbow Check Valve Stainless Steel - 1/4" Push-in x 1/4" MPTElbow Check Valve Stainless Steel - 1/4
                        Part Number: SCV-CI480822S
                        Alternate Part Number: SCV-PI480822S
                        Hydronamic SCV-CI480822S Stainless Elbow Check Valve - 1/4" Push-in x 1/4" MPT Features: Stainless Steel check valve inserted into a John Guest Male Elbow Push-In fitting 1/4 OD Tube size x 1/4 Male MPT.
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                          $8.60 

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                          Elbow Check Valve Stainless Steel - 1/4" Push-in x 1/8" MPTElbow Check Valve Stainless Steel - 1/4
                          Part Number: SCV-CI480821W
                          Alternate Part Number: SCV-PI480821S (grey)
                          Hydronamic SCV-CI480821W Stainless Elbow Check Valve - 1/4" Push-in x 1/8" MPT Features: 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...
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                            $8.40 

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                            Male Straight Check Valve Stainless Steel - 1/4" Push-in x 1/4" MPTMale Straight Check Valve Stainless Steel - 1/4
                            Part Number: SCV-CI010822S
                            Hydronamic SCV-CI010822S Straight Stainless Check Valve - 1/4" Push-in x 1/4" MPT Features: Stainless Steel check valve inserted into a John Guest Male Connector Push-In fitting 1/4 OD Tube size x 1/4 Male NPT.
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                              $8.60 

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                              Male Straight Check Valve Stainless Steel - 1/4" Push-in x 1/8" MPTMale Straight Check Valve Stainless Steel - 1/4
                              Part Number: SCV-CI010821W
                              Alternate Part Number: SCV-PI010821S (grey)
                              Hydronamic SCV-CI010821W Straight Stainless Male Check Valve - 1/4" Push-in x 1/8" MPT Features: Stainless Steel check valve inserted into a Straight John Guest Male Connector Push-In fitting 1/4" OD Tube size x 1/8" Male NPT. Commonly used with...
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                                $8.27 

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                                DMfit Check Valve - 1/2" Push-in (3/8 CTS)DMfit Check Valve - 1/2
                                Part Number: ACHV0707
                                Alternate Part Number: A7CV7
                                DMfit ACHV0707 Check Valve - 1/2" Push-in (3/8 CTS) Features: Acetal copolymer construction O-rings are NBR (Buna-N) Unique oval collet design FDA approved materials For water, air, gasses, vacuum, & liquids NSF Certified 51 & 61 Fittings...
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                                  $14.25 

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                                  DMfit Check Valve - 3/8" Push-in (1/4 CTS)DMfit Check Valve - 3/8
                                  Part Number: ACHV0606
                                  Alternate Part Number: A6CV6, 3/8SCV
                                  DMfit ACHV0606 Check Valve - 3/8" Push-in (1/4 CTS) Features: Acetal copolymer construction O-rings are NBR (Buna-N) Unique oval collet design FDA approved materials For water, air, gasses, vacuum, & liquids NSF Certified 51 & 61 Fittings...
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                                    $12.47 

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                                    SeaTech Check Valve - 1/2 CTS (5/8 OD)SeaTech Check Valve - 1/2 CTS (5/8 OD)
                                    Part Number: 3540-10
                                    Alternate Part Number: 003540-10, 013540-10
                                    SeaTech 3540-10 Check Valve - 1/2 CTS (5/8 OD) Features: Manufactured in Off-White Polysulfone EPDM O-ring Certified to NSF-61, NSF-14, CSA B137.5, ASTM F877, IGC 188-04C Recognized by the Uniform Plumbing Code Max Temp:...
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                                      $4.45 

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                                      Inline Brass Check Valve - 1/4" MPT inlet x 1/4" FPT OutletInline Brass Check Valve - 1/4
                                      Part Number: CV14B-MF
                                      Alternate Part Number: CV14B-MxF
                                      Material:  Brass
                                      Connection:  1/4 Male NPT inlet x 1/4 Female NPT outlet
                                      Dimensions: 1.41" x 11/16" Hex
                                      Cracking Pressure:  1.5 psi +/- 1/2 psi
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                                        $8.20 

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                                        Inline Brass Check Valve - 1/4" MPT Inlet x 1/4" MPT OutletInline Brass Check Valve - 1/4
                                        Part Number: CV14B-MM
                                        Alternate Part Number: CV14B-MxM
                                        Material:  Brass
                                        Connections: 1/4" MPT Inlet x 1/4" MPT Outlet
                                        Dimensions: 1½" x 9/16" Hex
                                        Cracking Pressure:  1.5 psi +/- 1/2 psi
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                                          $6.79 

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                                          Inline Brass Check Valve - 3/8" MPT x 3/8" MPTInline Brass Check Valve - 3/8
                                          Part Number: CV38B-MM
                                          Alternate Part Number: CV38B-MxM
                                          CV14B-MM Brass Check Valve - 3/8" MPT x 3/8" MPT Check valves are spring-activated, poppet style design to create a positive seal to prevent reverse flow and cross contamination. Material: Brass Dimensions: 1 .5 " x 9/16" Hex Cracking Pressure:...
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                                            $7.18 

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                                            Inline Stainless Steel Check Valve - 1/8" mpt Inlet x 1/8 mpt OutletInline Stainless Steel Check Valve - 1/8
                                            Part Number: CV18S-MM
                                            Alternate Part Number: CV14SS-MxM
                                            Material:  Stainless Steel
                                            Connection: 1/8" MPT Inlet x 1/8" MPT Outlet
                                            Dimensions: 1" x 7/16" Hex
                                            Cracking Pressure:  1.5 psi +/- 1/2 psi
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                                              $9.10 

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                                              Inline Stainless Steel Check Valve - 1/8 mpt Inlet x 1/8 fpt OutletInline Stainless Steel Check Valve - 1/8 mpt Inlet x 1/8 fpt Outlet
                                              Part Number: CV18S-MF
                                              Alternate Part Number: CV18S-MxF
                                              Material:  Stainless Steel
                                              Connection:  1/8" Male NPTF Inlet x 1/8" Female NPTF Outlet
                                              Dimensions:
                                              1.04" x 1/2 Hex
                                              Cracking Pressure:  1.5 psi +/- 1/2 psi
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                                                $9.40 

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                                                Inline Stainless Steel Check Valve - 1/4" MPT Inlet x 1/4" MPT OutletInline Stainless Steel Check Valve - 1/4
                                                Part Number: CV14S-MM
                                                Alternate Part Number: CV14S-MxM
                                                Material:  Stainless Steel
                                                Connection: 1/4" MPT Inlet x 1/4" MPT Outlet
                                                Dimensions: 1½" x 9/16" Hex
                                                Cracking Pressure:  1.5 psi +/- 1/2 psi
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                                                  MSRP: $12.67
                                                  $11.95 

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                                                  Inline Stainless Steel Check Valve - 1/4" MPT Inlet x 1/4" FPT OutletInline Stainless Steel Check Valve - 1/4
                                                  Part Number: CV14S-MF
                                                  Alternate Part Number: CV14SF, CV14S-FM, CV14S-MxF
                                                  Material:  Brass or Stainless Steel
                                                  Connections: 1/4" MPT Inlet x 1/4" FPT Outlet
                                                  Dimensions: 1.41" x 11/16" Hex
                                                  Cracking Pressure:  1.5 psi +/- 1/2 psi
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                                                    $11.35 

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                                                    Inline Stainless Check Valve Viton O-Ring - 1/4" MPT Inlet x 1/4" FPT OutletInline Stainless Check Valve Viton O-Ring - 1/4
                                                    Part Number: CV14SV-MF
                                                    Alternate Part Number: CV14SF-V, CV14SF-MxF
                                                    Material:  Stainless Steel
                                                    Connection: 1/4" MPT Inlet x 1/4" FPT Outlet
                                                    Dimensions: 1.41" x 11/16" Hex
                                                    Cracking Pressure:  1.5 psi +/- 1/2 psi
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                                                      MSRP: $12.02
                                                      $11.37 

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                                                      Check Valve 426 Series PVC Gray 1/4" FPT BUNACheck Valve 426 Series PVC Gray 1/4
                                                      Part Number: 5721090
                                                      Alternate Part Number: PVC 426-4F4F-B
                                                      426 Series Check Valve PVC Gray 1/4" FPT BUNA Features: The 426 Series Check Valve prevents reverse flow and cross contamination and its design promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless...
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                                                        $10.96 

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                                                        20+ for $10.87 ea

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                                                        Check Valve 426 Series PVC Gray 1/4" FPT EPDMCheck Valve 426 Series PVC Gray 1/4
                                                        Part Number: 426-4F4F-E13H
                                                        Material OptionsGray PVC (Standard), White PVC, White Polypropylene, Black Nylon,
                                                        White Nylon, MakroBlend, Black PVDF (Kynar®)
                                                        Seal OptionsBuna-N (Standard), Ethylene Propylene, Fluoroelastomer (Viton®)
                                                        End Options1/8, 1/4 Male and Female NPT
                                                        1/8, 1/4, 5/16, 3/8, 1/2 Hose Barb
                                                        1/8, 1/4 JACO
                                                        1/4, 3/8 SMC Push-To-Connect
                                                        3/8 BIB (Smooth Barb)
                                                        Cracking Pressure1 psi (Standard), 1/3, 1.5, 3, 5, 7, 10, 12 psi or No Spring, Hastelloy Spring - 1/3, 1, 5, 12 psi
                                                        Ball Material316 Stainless Ball with 302 Stainless Spring (Standard), Teflon® Ball with Hastelloy Spring
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                                                          $12.91 

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                                                          Check Valve 426 Series PVC Gray 1/4" FPT VITONCheck Valve 426 Series PVC Gray 1/4
                                                          Part Number: 5720690
                                                          Alternate Part Number: PVC 426-4F4F-F
                                                          426 Series Check Valve PVC Gray 1/4" FPT Viton Features: The 426 Series Check Valve prevents reverse flow and cross contamination and its design promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless...
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                                                            $12.91 

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                                                            Check Valve 426 Series PVC Gray 1/4 FPT x 1/4 MPT BUNACheck Valve 426 Series PVC Gray 1/4 FPT x 1/4 MPT BUNA
                                                            Part Number: 5721290
                                                            Alternate Part Number: PVC 426-4F4M-B
                                                            426 Series Check Valve PVC Gray 1/4" FPT x 1/4" MPT BUNA The 426 Series Check Valve prevents reverse flow and cross contamination and its design promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless...
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                                                              $11.55 

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                                                              Check Valve 426 Series PVC Gray 1/2" OD Barb BUNACheck Valve 426 Series PVC Gray 1/2
                                                              Part Number: 5721590
                                                              Alternate Part Number: PVC 426-8B8B-B
                                                              Check Valve 426 Series PVC Gray 1/2" OD Barb BUNA The 426 Series Check Valve 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 Standard...
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                                                                $11.55 

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                                                                Inline Poppet Check Valve 685 Series PP 1/2" FPT - BUNAInline Poppet Check Valve 685 Series PP 1/2
                                                                Part Number: 6850090
                                                                Alternate Part Number: FP CHK 685-8F8F-B
                                                                The 685 Series Inline Poppet Check Valve 1/2" FPT: The 685 Series Poppet Check Valve Prevents reverse flow and cross contamination and incorporates a thin elastomer disc supported by a poppet that seals on the seat. Pressure in the flow direction...
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                                                                  $11.57 

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                                                                  Inline Poppet Check Valve 687 Series PP 3/4" FPT - BUNAInline Poppet Check Valve 687 Series PP 3/4
                                                                  Part Number: 6870090
                                                                  Alternate Part Number: FP CHK 687-12F12F-B
                                                                  The 687 Series Inline Poppet Check Valve 3/4" FPT The 687 Series Poppet Check Valve prevents reverse flow and cross contamination and incorporates a thin elastomer disc supported by a poppet that seals on the seat. Pressure in the flow direction...
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                                                                    $12.48 

                                                                    5+ for $12.45 ea
                                                                    10+ for $12.42 ea
                                                                    20+ for $12.39 ea

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