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  1. Home
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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 9

Zoro Select Swing Check Valve, 1-1/2 in, FNPT x FNPT, Inline, Bronze Body 10F294
Zoro Select

Swing Check Valve, 1-1/2 in, FNPT x FNPT, Inline, Bronze Body

Zoro # G4262903
Mfr # 10F294
product price: 
$78.99
/ea
Keckley Wafer Check Valve, 2 in Pipe Size, Carbon Steel Body, 316 Stainless Steel Seat 2CW2R-CS-36336
Keckley

Wafer Check Valve, 2 in Pipe Size, Carbon Steel Body, 316 Stainless Steel Seat

Zoro # G3819328
Mfr # 2CW2R-CS-36336
product price: 
$428.99
/ea
Steel & Obrien Check Valve, Disk Type, Clamp Connection, 3 in Tube Size, 316 Stainless Steel 45MP-3-CD-316
Steel & Obrien

Check Valve, Disk Type, Clamp Connection, 3 in Tube Size, 316 Stainless Steel

Zoro # G5412852
Mfr # 45MP-3-CD-316
product price: 
$631.99
/ea
Watts 3/8" FNPT x Male Flare Stainless Steel Dual Check Valve SD3-MF 3/8"
Watts

3/8" FNPT x Male Flare Stainless Steel Dual Check Valve

Zoro # G2228247
Mfr # SD3-MF 3/8"
product price: 
$495.48
/ea
Parker 3/8" Push x 1/4" MNPT Kynar Check Valve FB6MCVC4-HBLK-05
Parker

3/8" Push x 1/4" MNPT Kynar Check Valve

Zoro # G4397145
Mfr # FB6MCVC4-HBLK-05
product price: 
$21.19
/ea
Watts 3/4" Press Brass Dual Check Valve 3/4 9DM2-PRESS
Watts

3/4" Press Brass Dual Check Valve

Zoro # G4016350
Mfr # 3/4 9DM2-PRESS
product price: 
$162.99
/ea
Milwaukee Valve 1-1/2" Threaded Low Lead Bronze Spring Check Valve UP509 1 1/2
Milwaukee Valve

1-1/2" Threaded Low Lead Bronze Spring Check Valve

Zoro # G2577391
Mfr # UP509 1 1/2
product price: 
$197.10
/ea
Keckley 2" Stainless Steel Wafer Check Valve DD2R-36-364IX-200
Keckley

2" Stainless Steel Wafer Check Valve

Zoro # G1612418
Mfr # DD2R-36-364IX-200
product price: 
$611.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3/4", CPVC/EPDM, S/T TC20075STE
Hayward Flow Control

Check Valve, True Union, Ball, 3/4", CPVC/EPDM, S/T

Zoro # G1008147
Mfr # TC20075STE
product price: 
$97.19
/ea
Milwaukee Valve 6" Flanged Cast Steel Swing Check Valve 1570 CB2 6"
Milwaukee Valve

6" Flanged Cast Steel Swing Check Valve

Zoro # G2045985
Mfr # 1570 CB2 6"
product price: 
$1,278.99
/ea
Sharpe Valves 2" FNPT Forged Carbon Steel Piston Check Valve 4371001560
Sharpe Valves

2" FNPT Forged Carbon Steel Piston Check Valve

Zoro # G1703861
Mfr # 4371001560
product price: 
$326.99
/ea
Ssi 2" Wafer Flange Cast Iron Double Disc Check Valve 0200-125WTIBB-T
Ssi

2" Wafer Flange Cast Iron Double Disc Check Valve

Zoro # G1693937
Mfr # 0200-125WTIBB-T
product price: 
$71.59
/ea
Keckley 2-1/2" Cast Iron Wafer Check Valve DD1F-CI-34136-250
Keckley

2-1/2" Cast Iron Wafer Check Valve

Zoro # G1613230
Mfr # DD1F-CI-34136-250
product price: 
$140.99
/ea
Bonomi 3/8" NPT Stainless Steel Spring Check Valve S800-3/8"
Bonomi

3/8" NPT Stainless Steel Spring Check Valve

Zoro # G3769249
Mfr # S800-3/8"
product price: 
$56.25
/ea
Discover Inline Check Valve, 1/4 in Tube Size, FNPT x FNPT, 316 Stainless Steel 101137
Discover

Inline Check Valve, 1/4 in Tube Size, FNPT x FNPT, 316 Stainless Steel

Zoro # G515879839
Mfr # 101137
product price: 
$28.15
/ea
Legend Valve Check Valve, T-451, 1 in, FNPT x FNPT, Brass 105-105
Legend Valve

Check Valve, T-451, 1 in, FNPT x FNPT, Brass

Zoro # G1762567
Mfr # 105-105
product price: 
$19.79
/ea
Discover Swing Check Valve, 1/2 in, FNPT x FNPT, Stainless Steel 102646
Discover

Swing Check Valve, 1/2 in, FNPT x FNPT, Stainless Steel

Zoro # G215879832
Mfr # 102646
product price: 
$9.99
/ea
Discover Inline Check Valve, 1/2 in Tube Size, MNPT x FNPT, 316 Stainless Steel 101135
Discover

Inline Check Valve, 1/2 in Tube Size, MNPT x FNPT, 316 Stainless Steel

Zoro # G215879771
Mfr # 101135
product price: 
$41.99
/ea
Discover Spring Check Valve, FNPT x FNPT, Stainless Steel, 1-1/2 in 102662
Discover

Spring Check Valve, FNPT x FNPT, Stainless Steel, 1-1/2 in

Zoro # G015879780
Mfr # 102662
product price: 
$37.79
/ea
Legend Valve Check Valve, T-451, FNPT x FNPT, Brass Body, 3 in 105-110
Legend Valve

Check Valve, T-451, FNPT x FNPT, Brass Body, 3 in

Zoro # G1796550
Mfr # 105-110
product price: 
$198.99
/ea
Legend Valve Check Valve, Y-Pattern, 1 in, FNPT x FNPT, Bronze 105-305
Legend Valve

Check Valve, Y-Pattern, 1 in, FNPT x FNPT, Bronze

Zoro # G1785877
Mfr # 105-305
product price: 
$43.25
/ea
Legend Valve Check Valve, Y-Pattern, 1-1/4 in, FNPT x FNPT, Bronze 105-306NL
Legend Valve

Check Valve, Y-Pattern, 1-1/4 in, FNPT x FNPT, Bronze

Zoro # G1765586
Mfr # 105-306NL
product price: 
$83.79
/ea
Milwaukee Valve 3/4" FNPT Bronze Swing Y Check Valve 515Y 3/4"
Milwaukee Valve

3/4" FNPT Bronze Swing Y Check Valve

Zoro # G3908676
Mfr # 515Y 3/4"
product price: 
$101.26
/ea
Legend Valve Check Valve, T-311, Flanged, Cast Iron, 6 in 116-206
Legend Valve

Check Valve, T-311, Flanged, Cast Iron, 6 in

Zoro # G1833678
Mfr # 116-206
product price: 
$738.99
/ea
Zoro Select 1/4" MNPT Stainless Steel Piston Spring Check Valve CHK SST 410-4M4M-F
Zoro Select

1/4" MNPT Stainless Steel Piston Spring Check Valve

Zoro # G1136755
Mfr # CHK SST 410-4M4M-F
product price: 
$44.39
/ea
Keckley 3" Stainless Steel Wafer Check Valve DD2R-36-364IX-300
Keckley

3" Stainless Steel Wafer Check Valve

Zoro # G1612235
Mfr # DD2R-36-364IX-300
product price: 
$897.99
/ea
Apollo Valves 3/4" FNPT Lead Free Bronze Ball Cone Check Valve 61LF50401
Apollo Valves

3/4" FNPT Lead Free Bronze Ball Cone Check Valve

Zoro # G5298806
Mfr # 61LF50401
product price: 
$66.29
/ea
Zoro Select 1/4" MNPT x FNPT Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4F4M-F
Zoro Select

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

Zoro # G0490332
Mfr # PVC CHK 426-4F4M-F
product price: 
$22.59
/ea
Dayton Spring Check Valve, Inline, 3/4 in Pipe Size, FIPT x FIPT, PVC Body 4RG65
Dayton

Spring Check Valve, Inline, 3/4 in Pipe Size, FIPT x FIPT, PVC Body

Zoro # G2746134
Mfr # 4RG65
product price: 
$61.19
/ea
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
Sharpe Valves 1/2" FNPT Forged Carbon Steel Piston Check Valve 4371001510
Sharpe Valves

1/2" FNPT Forged Carbon Steel Piston Check Valve

Zoro # G1537706
Mfr # 4371001510
product price: 
$83.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1/2", CPVC/FPM, S/T TC20050ST
Hayward Flow Control

Check Valve, True Union, Ball, 1/2", CPVC/FPM, S/T

Zoro # G2472172
Mfr # TC20050ST
product price: 
$81.45
/ea
Georg Fischer 1" Threaded Socket PVC/EPDM Spring Check Valve 161562104
Georg Fischer

1" Threaded Socket PVC/EPDM Spring Check Valve

Zoro # G4699536
Mfr # 161562104
product price: 
$152.99
/ea
Stenner Injection Check Valve, PVC, 3/8 in, FKM Seat BC038-1
Stenner

Injection Check Valve, PVC, 3/8 in, FKM Seat

Zoro # G8682478
Mfr # BC038-1
product price: 
$90.19
/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
Valterra 3" Slip PVC Spring Swing Check Valve 200-30
Valterra

3" Slip PVC Spring Swing Check Valve

Zoro # G0040105
Mfr # 200-30
product price: 
$58.65
/ea
Check Valves (3,500+ items) - Page 9
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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 FittingsCamlock FittingsPush-to-Connect Tube Fittings
stainless springscheck valve inlineparker stainless steel filtercheck valve 1/8in tank check valve
check valve control checkflange mount check valveswagelok brassplast-o-matic 2" ball valve2.5 inch check valve

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