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  1. Home
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  3. Plumbing
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  5. Pipes, Valves & Fittings
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  7. Valves
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  9. Check Valves

Check Valves (3,500+ items) - Page 7

Milwaukee Valve 1-1/2" FNPT Bronze Swing Y Check Valve 515Y 1 1/2"
Milwaukee Valve

1-1/2" FNPT Bronze Swing Y Check Valve

Zoro # G4208617
Mfr # 515Y 1 1/2"
product price: 
$234.41
/ea
Zoro Select 1/4" Barb White Nylon Ball Cone Spring Check Valve WN CHK 695-4B4B-F
Zoro Select

1/4" Barb White Nylon Ball Cone Spring Check Valve

Zoro # G2985272
Mfr # WN CHK 695-4B4B-F
product price: 
$7.39
/ea
Pneumadyne Check Valve, Inline, 1/8 in FNPT x FNPT, Brass/Electroless Nickel, 0.5 psi Cracking Pressure C050501
Pneumadyne

Check Valve, Inline, 1/8 in FNPT x FNPT, Brass/Electroless Nickel, 0.5 psi Cracking Pressure

Zoro # G4268887
Mfr # C050501
product price: 
$11.79
/ea
Zoro Select 1/4" FPT x MPT Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4F4M-B
Zoro Select

1/4" FPT x MPT Gray PVC Ball Cone Spring Check Valve

Zoro # G3464124
Mfr # PVC CHK 426-4F4M-B
product price: 
$18.29
/ea
Discover Spring Check Valve, 1 in, FNPT x FNPT, Stainless Steel 102660
Discover

Spring Check Valve, 1 in, FNPT x FNPT, Stainless Steel

Zoro # G715879844
Mfr # 102660
product price: 
$19.69
/ea
Campbell Spring Loaded Check Valve, 1-1/4 in, Acetal Polymer SLC-125
Campbell

Spring Loaded Check Valve, 1-1/4 in, Acetal Polymer

Zoro # G911335847
Mfr # SLC-125
product price: 
$27.25
/ea
Watts Dual Check Valve, Backflow Preventer, 3/4 in, Bronze LF7RU2-2 3/4
Watts

Dual Check Valve, Backflow Preventer, 3/4 in, Bronze

Zoro # G111360564
Mfr # LF7RU2-2 3/4
product price: 
$104.46
/ea
Asahi Ball Check Valve, Inline, 1 in, Union Socket x Union Socket, PVC Body, EPDM Seat/Seal 1210010
Asahi

Ball Check Valve, Inline, 1 in, Union Socket x Union Socket, PVC Body, EPDM Seat/Seal

Zoro # G6162235
Mfr # 1210010
product price: 
$71.19
/ea
Zoro Select 3/8" MNPT x FNPT Brass Piston Spring Check Valve CHK BRS 610-6M6F-F
Zoro Select

3/8" MNPT x FNPT Brass Piston Spring Check Valve

Zoro # G2402461
Mfr # CHK BRS 610-6M6F-F
product price: 
$27.79
/ea
Zoro Select 3/8" FNPT Brass Poppet Spring Check Valve CHK BRS 650-6F6F-B
Zoro Select

3/8" FNPT Brass Poppet Spring Check Valve

Zoro # G2511905
Mfr # CHK BRS 650-6F6F-B
product price: 
$25.49
/ea
Grundfos 3-Speed Circulator Pump, Stainless Steel UPS26-99SF
Grundfos

3-Speed Circulator Pump, Stainless Steel

Zoro # G6902525
Mfr # UPS26-99SF
product price: 
$1,309.99
/ea
Discover 2 in. Stainless Steel Swing Check Valve 102651
Discover

2 in. Stainless Steel Swing Check Valve

Zoro # G215879696
Mfr # 102651
product price: 
$49.39
/ea
Smith-Cooper 4" Swing Check Valve 4347002890
Smith-Cooper

4" Swing Check Valve

Zoro # G6775662
Mfr # 4347002890
product price: 
$236.99
/ea
Little Giant Pump Check Valve, Inline Ball, 1/4 in MNPT, Nylon Body, For Condensate Pumps 599069
Little Giant Pump

Check Valve, Inline Ball, 1/4 in MNPT, Nylon Body, For Condensate Pumps

Zoro # G1525501
Mfr # 599069
product price: 
$12.39
/ea
Zoro Select 1/4" FNPT Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4F4F-B
Zoro Select

1/4" FNPT Gray PVC Ball Cone Spring Check Valve

Zoro # G1117566
Mfr # PVC CHK 426-4F4F-B
product price: 
$19.89
/ea
Bonomi 1/2" NPT Brass Spring Check Valve 100012LF-1/2"
Bonomi

1/2" NPT Brass Spring Check Valve

Zoro # G2011451
Mfr # 100012LF-1/2"
product price: 
$18.49
/ea
Zoro Select Swing Check Valve, 2 in, FNPT x FNPT, Inline Swing, Brass Body 10F327
Zoro Select

Swing Check Valve, 2 in, FNPT x FNPT, Inline Swing, Brass Body

Zoro # G4260532
Mfr # 10F327
product price: 
$70.19
/ea
Bonomi 1/2" NPT Stainless Steel Spring Check Valve S250-1/2"
Bonomi

1/2" NPT Stainless Steel Spring Check Valve

Zoro # G6047732
Mfr # S250-1/2"
product price: 
$40.39
/ea
Zoro Select 1/4" Barb Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4B4B-F
Zoro Select

1/4" Barb Gray PVC Ball Cone Spring Check Valve

Zoro # G0385411
Mfr # PVC CHK 426-4B4B-F
product price: 
$20.49
/ea
Zoro Select 1-1/2" NPT Stainless Steel Swing Check Valve 4VMU4
Zoro Select

1-1/2" NPT Stainless Steel Swing Check Valve

Zoro # G3278046
Mfr # 4VMU4
product price: 
$185.99
/ea
Bonomi 3" NPT Brass Spring Check Valve 100012LF-3"
Bonomi

3" NPT Brass Spring Check Valve

Zoro # G2011381
Mfr # 100012LF-3"
product price: 
$257.99
/ea
Bonomi 1/4" NPT Stainless Steel Spring Check Valve S800-1/4"
Bonomi

1/4" NPT Stainless Steel Spring Check Valve

Zoro # G3769258
Mfr # S800-1/4"
product price: 
$52.99
/ea
Apollo Valves 1/2" FNPT Cast Bronze Ball Cone Check Valve 61-503-01
Apollo Valves

1/2" FNPT Cast Bronze Ball Cone Check Valve

Zoro # G0093591
Mfr # 61-503-01
product price: 
$41.79
/ea
Milwaukee Valve 1-1/2" FNPT Bronze Swing Check Valve 509 1 1/2
Milwaukee Valve

1-1/2" FNPT Bronze Swing Check Valve

Zoro # G0845117
Mfr # 509 1 1/2
product price: 
$135.09
/ea
No Product Image Available
Val-Matic

6" Flanged Cast Iron Swing Flex Check Valve

Zoro # G2330781
Mfr # 506C-DB6F
product price: 
$1,687.99
/ea
Watts 3/8" Male Flare Stainless Steel Dual Check Valve SD2-MF 3/8"
Watts

3/8" Male Flare Stainless Steel Dual Check Valve

Zoro # G3188096
Mfr # SD2-MF 3/8"
product price: 
$240.10
/ea
Smith-Cooper 2-1/2" Swing Check Valve 4347002870
Smith-Cooper

2-1/2" Swing Check Valve

Zoro # G6775723
Mfr # 4347002870
product price: 
$73.49
/ea
Sharpe Valves 3/4" FNPT Forged Carbon Steel Piston Check Valve 4371001520
Sharpe Valves

3/4" FNPT Forged Carbon Steel Piston Check Valve

Zoro # G1741713
Mfr # 4371001520
product price: 
$93.19
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1", PVC/FPM, S/T TC10100ST
Hayward Flow Control

Check Valve, True Union, Ball, 1", PVC/FPM, S/T

Zoro # G3032976
Mfr # TC10100ST
product price: 
$88.39
/ea
Zoro Select 1/4" Barb Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4B4B-B
Zoro Select

1/4" Barb Gray PVC Ball Cone Spring Check Valve

Zoro # G2247104
Mfr # PVC CHK 426-4B4B-B
product price: 
$18.15
/ea
Zoro Select 1/4" FNPT Brass Piston Spring Check Valve CHK BRS 415-4F4F-F
Zoro Select

1/4" FNPT Brass Piston Spring Check Valve

Zoro # G1925332
Mfr # CHK BRS 415-4F4F-F
product price: 
$25.19
/ea
Zoro Select 1/4" MNPT Brass Piston Spring Check Valve CHK BRS 410-4M4M-B
Zoro Select

1/4" MNPT Brass Piston Spring Check Valve

Zoro # G1671415
Mfr # CHK BRS 410-4M4M-B
product price: 
$20.39
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3/4", PVC/FPM, S/T TC10075ST
Hayward Flow Control

Check Valve, True Union, Ball, 3/4", PVC/FPM, S/T

Zoro # G2521793
Mfr # TC10075ST
product price: 
$69.69
/ea
Campbell 1-1/4" FNPT Lead Free Brass Spring Check Valve 4032E
Campbell

1-1/4" FNPT Lead Free Brass Spring Check Valve

Zoro # G0578182
Mfr # 4032E
product price: 
$85.35
/ea
Bonomi 1-1/2" NPT Stainless Steel Spring Check Valve S800-11/2"
Bonomi

1-1/2" NPT Stainless Steel Spring Check Valve

Zoro # G3769197
Mfr # S800-11/2"
product price: 
$202.99
/ea
Milwaukee Valve Swing Check Valve, 509 Series, 1 in, FNPT x FNPT, Bronze Body 509 1
Milwaukee Valve

Swing Check Valve, 509 Series, 1 in, FNPT x FNPT, Bronze Body

Zoro # G2746353
Mfr # 509 1
product price: 
$80.86
/ea
Check Valves (3,500+ items) - Page 7
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About Check Valves

Check Valves are designed to prevent the backflow of liquids, gases, and other substances from flowing in the wrong direction. They are typically used in piping systems to protect equipment from damage due to reverse flow.

Types of Check Valves

Check Valves come in a variety of sizes and materials, such as 1/2 check valves, 3/4 inch check valves, and 6 inch PVC check valves. Some Check Valves use springs or diaphragms to ensure that they close properly when pressure is applied. Other Check Valves may be made with stainless steel or brass components for more durability.

How Check Valves are Made

Check Valves can be made from a range of materials including plastic, metal alloys, rubber compounds, and polymers. These materials are formed into different shapes depending on their purpose - for example an inline check valve is typically cylindrical while a one-way valve supplier may use flaps or discs.

Industries that Use Check Valves

Check Valves are commonly used by plumbers and engineers in industries such as water treatment plants, food processing facilities, chemical plants, automotive manufacturing plants and oil refineries. Professionals use them to control the flow of liquids in pipes while ensuring that no backflow occurs.

Find the Check Valves You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of plumbing tools & supplies, along with other equipment and essentials to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

Related Categories

Ball ValvesSolenoid ValvesValve PartsRelief ValvesPVC Pipe Fittings
Black Pipe FittingsStainless Steel Pipe FittingsBrass Pipe FittingsPush-to-Connect Tube FittingsCamlock Fittings
1/2 inch check valves1/2" pvc check valves3/4" swing check valves2" flanged check valves4" wafer check valves
1-1/2" swing check valves1/4 inch check valves3/4" pvc check valves3" brass check valves1-1/2" inline check valves

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