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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 17

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
Milwaukee Valve 1-1/2" Threaded Low Lead Bronze Spring Check Valve UP548T 1 1/2
Milwaukee Valve

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

Zoro # G2895584
Mfr # UP548T 1 1/2
product price: 
$139.99
/ea
Legend Valve Ball Check Valve, S-655 Series, 1 in, Solvent x Solvent, PVC 201-285
Legend Valve

Ball Check Valve, S-655 Series, 1 in, Solvent x Solvent, PVC

Zoro # G1790068
Mfr # 201-285
product price: 
$38.89
/ea
Sharpe Check Valve, 2483 Series, Piston, 1/2 in NPSM FNPSM, Carbon Steel Body, Inline 4371001910
Sharpe

Check Valve, 2483 Series, Piston, 1/2 in NPSM FNPSM, Carbon Steel Body, Inline

Zoro # G708258960
Mfr # 4371001910
product price: 
$169.99
/ea
Zoro Select 1/4" FNPT Brass Poppet Spring Check Valve CHK BRS 450-4F4F-B
Zoro Select

1/4" FNPT Brass Poppet Spring Check Valve

Zoro # G1580521
Mfr # CHK BRS 450-4F4F-B
product price: 
$21.19
/ea
Milwaukee Valve Swing Check Valve, 510T Series, 3/4 in, FNPT x FNPT, Bronze Body 510T 3/4
Milwaukee Valve

Swing Check Valve, 510T Series, 3/4 in, FNPT x FNPT, Bronze Body

Zoro # G2143793
Mfr # 510T 3/4
product price: 
$94.18
/ea
Bonomi 2" NPT Brass Spring Check Valve 100012LF-2"
Bonomi

2" NPT Brass Spring Check Valve

Zoro # G2011409
Mfr # 100012LF-2"
product price: 
$82.89
/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
Vne Spring Check Valve, 45C-6 Series, 2 in, Inline, Clamp Connection, T316L Stainless Steel 45C-62.0-V
Vne

Spring Check Valve, 45C-6 Series, 2 in, Inline, Clamp Connection, T316L Stainless Steel

Zoro # G3995022
Mfr # 45C-62.0-V
product price: 
$334.99
/ea
Zoro Select 1/4" Push Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4SMC4SMC-B
Zoro Select

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

Zoro # G2108224
Mfr # PVC CHK 426-4SMC4SMC-B
product price: 
$23.49
/ea
Zoro Select 3/8" FNPT Ball Cone Spring Check Valve FP CHK 693-6F6F-B
Zoro Select

3/8" FNPT Ball Cone Spring Check Valve

Zoro # G2882056
Mfr # FP CHK 693-6F6F-B
product price: 
$16.59
/ea
Zoro Select 1/8" FNPT Brass Piston Spring Check Valve CHK BRS 215-2F2F-F
Zoro Select

1/8" FNPT Brass Piston Spring Check Valve

Zoro # G1860381
Mfr # CHK BRS 215-2F2F-F
product price: 
$21.19
/ea
Drainage Industries Sump Pump Check Valve, In-Line, ABS Thermoplastic, 1-1/2 in Pipe Size CV01.5IN
Drainage Industries

Sump Pump Check Valve, In-Line, ABS Thermoplastic, 1-1/2 in Pipe Size

Zoro # G711360568
Mfr # CV01.5IN
product price: 
$17.49
/ea
Legend Valve Check Valve Body, S-613 Series, 1-1/4 in to 1-1/2 in 203-230
Legend Valve

Check Valve Body, S-613 Series, 1-1/4 in to 1-1/2 in

Zoro # G2837435
Mfr # 203-230
product price: 
$11.35
/ea
Campbell Spring Loaded Check Valve, 1 in, Acetal Polymer SLC-100
Campbell

Spring Loaded Check Valve, 1 in, Acetal Polymer

Zoro # G421871453
Mfr # SLC-100
product price: 
$12.99
/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
Legend Valve 4" T-312 CAST IRON WAFER CHECK 116-224
Legend Valve

4" T-312 CAST IRON WAFER CHECK

Zoro # G1842848
Mfr # 116-224
product price: 
$169.99
/ea
Everflow Sump Pump Check Valve, 2 in SPCV22
Everflow

Sump Pump Check Valve, 2 in

Zoro # G401106902
Mfr # SPCV22
product price: 
$28.95
/ea
Legend Valve Check Valve, T-451, 3/4 in, FNPT x FNPT, Brass 105-104NL
Legend Valve

Check Valve, T-451, 3/4 in, FNPT x FNPT, Brass

Zoro # G1810060
Mfr # 105-104NL
product price: 
$19.99
/ea
Jomar Valve 1" NPT Lead Free Brass Spring Check Valve T-521G
Jomar Valve

1" NPT Lead Free Brass Spring Check Valve

Zoro # G7036018
Mfr # T-521G
product price: 
$44.19
/ea
Jomar Valve Y-Pattern Check Valve, 1 1/4 in Pipe Size, Threaded, Bronze Body T-511
Jomar Valve

Y-Pattern Check Valve, 1 1/4 in Pipe Size, Threaded, Bronze Body

Zoro # G7142987
Mfr # T-511
product price: 
$94.39
/ea
Chicago Valves And Controls Swing Check Valve, 3 in Pipe Size, Class 150, Flanged, Cast Steel 41411030
Chicago Valves And Controls

Swing Check Valve, 3 in Pipe Size, Class 150, Flanged, Cast Steel

Zoro # G9157201
Mfr # 41411030
product price: 
$383.99
/ea
Campbell Foot & Check Valve, 1-1/4 in, Acetal Polymer SFV125
Campbell

Foot & Check Valve, 1-1/4 in, Acetal Polymer

Zoro # G021866446
Mfr # SFV125
product price: 
$21.99
/ea
B & K Quiet Check Valve, Slip x Slip, 2 in Pipe Size, PVC B-0821-20H
B & K

Quiet Check Valve, Slip x Slip, 2 in Pipe Size, PVC

Zoro # G7696154
Mfr # B-0821-20H
product price: 
$37.25
/ea
Legend Valve Check Valve, True Union, 1-1/2 in, Solvent Connection, PVC 203-247
Legend Valve

Check Valve, True Union, 1-1/2 in, Solvent Connection, PVC

Zoro # G2836227
Mfr # 203-247
product price: 
$29.79
/ea
Dixon 1" FNPT Brass Spring Loaded Check Valve CV100
Dixon

1" FNPT Brass Spring Loaded Check Valve

Zoro # G6546526
Mfr # CV100
product price: 
$30.59
/ea
Caleffi Automatic Air Vent, 1/8 in MNPT 502710A
Caleffi

Automatic Air Vent, 1/8 in MNPT

Zoro # G6068247
Mfr # 502710A
product price: 
$18.85
/ea
Water Source Check Valve, 1 in Pipe Size, Brass Body CC100-NL
Water Source

Check Valve, 1 in Pipe Size, Brass Body

Zoro # G616044228
Mfr # CC100-NL
product price: 
$28.55
/ea
Watts Check Valve, Inline Ball, 1/2 in, CTS x CTS Push, Polysulfone Body, 3-5/16 in 3540-10
Watts

Check Valve, Inline Ball, 1/2 in, CTS x CTS Push, Polysulfone Body, 3-5/16 in

Zoro # G2781064
Mfr # 3540-10
product price: 
$17.45
/ea
Sold in mult. of 5 for $87.25
Discover 1/8 in. Stainless Steel Inline Check Valve 101133
Discover

1/8 in. Stainless Steel Inline Check Valve

Zoro # G515879792
Mfr # 101133
product price: 
$28.99
/ea
Val-Matic 10" Flanged Cast Iron Swing Flex Check Valve 510A-DB6F
Val-Matic

10" Flanged Cast Iron Swing Flex Check Valve

Zoro # G2128253
Mfr # 510A-DB6F
product price: 
$5,027.99
/ea
Mueller Industries Swing Check Valve, FIP x FIP, 2 in, Brass 240-2-2
Mueller Industries

Swing Check Valve, FIP x FIP, 2 in, Brass

Zoro # G8618816
Mfr # 240-2-2
product price: 
$66.25
/ea
Jomar Valve 2" NPT Lead Free Brass Spring Check Valve T-521G
Jomar Valve

2" NPT Lead Free Brass Spring Check Valve

Zoro # G7077099
Mfr # T-521G
product price: 
$131.99
/ea
Legend Valve Check Valve, Y-Pattern, T-453 NL, 3/4 in, FNPT x FNPT, Bronze 105-304NL
Legend Valve

Check Valve, Y-Pattern, T-453 NL, 3/4 in, FNPT x FNPT, Bronze

Zoro # G1854206
Mfr # 105-304NL
product price: 
$44.49
/ea
Smc Check Valve, Bushing Type, 3/8 in Pipe Size, 63.6 mm Length AKH11-00
Smc

Check Valve, Bushing Type, 3/8 in Pipe Size, 63.6 mm Length

Zoro # G5001827
Mfr # AKH11-00
product price: 
$25.39
/ea
Dixon Safety Check Valve, 3/4 in Pipe Size, NPT, Brass Body SCVR6
Dixon

Safety Check Valve, 3/4 in Pipe Size, NPT, Brass Body

Zoro # G6555851
Mfr # SCVR6
product price: 
$107.99
/ea
Check Valves (3,500+ items) - Page 17
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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 ValvesRelief ValvesValve PartsPVC Pipe Fittings
Black Pipe FittingsStainless Steel Pipe FittingsBrass Pipe FittingsCamlock FittingsPush-to-Connect Tube Fittings
1/2 inch check valves2" flanged check valves1-1/2" inline check valves1/2" ss check valves3" swing check valves
3" flanged check valves1" brass check valves3" spring check valves8" wafer check valves3" pvc check valves

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