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  5. Pipes, Valves & Fittings
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  9. Check Valves

Check Valves (3,500+ items) - Page 19

Ssi 6" Flanged Cast Iron Triple Duty Check Valve 0600-125TFI-B
Ssi

6" Flanged Cast Iron Triple Duty Check Valve

Zoro # G2437793
Mfr # 0600-125TFI-B
product price: 
$1,303.99
/ea
Sharpe Valves 1-1/2" Socket Forged Carbon Steel Piston Check Valve 4371001410
Sharpe Valves

1-1/2" Socket Forged Carbon Steel Piston Check Valve

Zoro # G1332064
Mfr # 4371001410
product price: 
$200.99
/ea
Asahi Ball Check Valve, Inline, 1/2 in Pipe Size, Socket x Socket, PVC Body 1210005
Asahi

Ball Check Valve, Inline, 1/2 in Pipe Size, Socket x Socket, PVC Body

Zoro # G6162269
Mfr # 1210005
product price: 
$55.35
/ea
Zoeller Check Valve with Union, Inline Swing, 1 1/2 in, Solvent Weld x Solvent Weld, PVC, 11 in 30-0102
Zoeller

Check Valve with Union, Inline Swing, 1 1/2 in, Solvent Weld x Solvent Weld, PVC, 11 in

Zoro # G2860331
Mfr # 30-0102
product price: 
$33.75
/ea
Chicago Valves And Controls Swing Check Valve, 2 in Pipe Size, Class 150, Flanged, Stainless Steel 41611020
Chicago Valves And Controls

Swing Check Valve, 2 in Pipe Size, Class 150, Flanged, Stainless Steel

Zoro # G9158942
Mfr # 41611020
product price: 
$661.99
/ea
Wilkins Dual Check Valve, Female NPT Union Inlet 12UFX12F-700XL
Wilkins

Dual Check Valve, Female NPT Union Inlet

Zoro # G7462605
Mfr # 12UFX12F-700XL
product price: 
$104.99
/ea
American Valve True Union Ball Check Valve, 1/2 in Pipe Size, Schedule 80 CPVC P460UC 1/2''
American Valve

True Union Ball Check Valve, 1/2 in Pipe Size, Schedule 80 CPVC

Zoro # G815189720
Mfr # P460UC 1/2''
product price: 
$74.99
/ea
Bonomi North America Check Valve, Inline, 1-1/4 in Pipe Size, AISI 316 Stainless Steel S250-1-1/4
Bonomi North America

Check Valve, Inline, 1-1/4 in Pipe Size, AISI 316 Stainless Steel

Zoro # G011494062
Mfr # S250-1-1/4
product price: 
$47.55
/ea
Jomar Valve Y-Pattern Check Valve, 3/4 in Pipe Size, Threaded, Lead Free Bronze T-511G
Jomar Valve

Y-Pattern Check Valve, 3/4 in Pipe Size, Threaded, Lead Free Bronze

Zoro # G7058016
Mfr # T-511G
product price: 
$54.39
/ea
Jomar Valve 1-1/2" NPT Lead Free Brass Spring Check Valve T-521G
Jomar Valve

1-1/2" NPT Lead Free Brass Spring Check Valve

Zoro # G7081186
Mfr # T-521G
product price: 
$78.59
/ea
Dynamic VU Series Check Valves: 30 GPM, 3/4 in NPT Port Size 452202
Dynamic

VU Series Check Valves: 30 GPM, 3/4 in NPT Port Size

Zoro # G6330779
Mfr # 452202
product price: 
$39.85
/ea
No Product Image Available
Keckley

3" Flanged Flanged Triple Duty Valve

Zoro # G3820210
Mfr # TDV-300
product price: 
$780.99
/ea
American Valve Ball Check Valve, True Union, Schedule 80 CPVC, 1 in P460UC 1''
American Valve

Ball Check Valve, True Union, Schedule 80 CPVC, 1 in

Zoro # G615189722
Mfr # P460UC 1''
product price: 
$108.99
/ea
Everflow Swing Check Valve, FIP Connection, Cast Brass Body, 3 in Pipe Size 210T003-NL
Everflow

Swing Check Valve, FIP Connection, Cast Brass Body, 3 in Pipe Size

Zoro # G301106880
Mfr # 210T003-NL
product price: 
$189.99
/ea
Ssi 2" Flanged Cast Iron Triple Duty Check Valve 0200-125TFI-B
Ssi

2" Flanged Cast Iron Triple Duty Check Valve

Zoro # G0299503
Mfr # 0200-125TFI-B
product price: 
$208.99
/ea
Zoeller Check Valve, Union Swing, 1 1/2 in, Compression x Compression, PVC, 10.5 in 30-0259
Zoeller

Check Valve, Union Swing, 1 1/2 in, Compression x Compression, PVC, 10.5 in

Zoro # G000488096
Mfr # 30-0259
product price: 
$38.49
/ea
Zoro Select Check Valve, H041N01 Series, 1/2 in FNPT x FNPT, Swing, Inline Disc, 316 Stainless Steel 06H041N01012
Zoro Select

Check Valve, H041N01 Series, 1/2 in FNPT x FNPT, Swing, Inline Disc, 316 Stainless Steel

Zoro # G005657336
Mfr # 06H041N01012
product price: 
$36.59
/ea
Banjo Check Valve, Inline Spring, 1 in Flanged, Polypropylene Body, 1 psi Cracking Pressure MCV100
Banjo

Check Valve, Inline Spring, 1 in Flanged, Polypropylene Body, 1 psi Cracking Pressure

Zoro # G808446472
Mfr # MCV100
product price: 
$18.35
/ea
Wilkins Dual Check Valve, 700XL Series, 1 in, Union FNPT x FNPT, Bronze 1UFX1F-700XL
Wilkins

Dual Check Valve, 700XL Series, 1 in, Union FNPT x FNPT, Bronze

Zoro # G4452427
Mfr # 1UFX1F-700XL
product price: 
$114.99
/ea
Ham-Let Instrumentation Check Valve, H400 Series, Inline Spring, 1/4 in MNPT x MNPT, 316 Stainless Steel H-480OP-SS-N-1/4-10PSI
Ham-Let

Instrumentation Check Valve, H400 Series, Inline Spring, 1/4 in MNPT x MNPT, 316 Stainless Steel

Zoro # G008258851
Mfr # H-480OP-SS-N-1/4-10PSI
product price: 
$53.99
/ea
Bonomi 4" NPT Brass Spring Check Valve 100003-4"
Bonomi

4" NPT Brass Spring Check Valve

Zoro # G2011235
Mfr # 100003-4"
product price: 
$298.99
/ea
Asahi Ball Check Valve, Inline, 3/4 in Pipe Size, Union Socket x Union Socket, PVC Body 1210007
Asahi

Ball Check Valve, Inline, 3/4 in Pipe Size, Union Socket x Union Socket, PVC Body

Zoro # G6162250
Mfr # 1210007
product price: 
$59.15
/ea
Champion 3" Flanged Stainless Steel Wafer Check Valve 3SDS15-SSP-R
Champion

3" Flanged Stainless Steel Wafer Check Valve

Zoro # G7344246
Mfr # 3SDS15-SSP-R
product price: 
$418.99
/ea
Milwaukee Valve Swing Y Check Valve, 507 Series, 3/8 in, FNPT x FNPT, Bronze Body 507 3/8
Milwaukee Valve

Swing Y Check Valve, 507 Series, 3/8 in, FNPT x FNPT, Bronze Body

Zoro # G3022302
Mfr # 507 3/8
product price: 
$87.00
/ea
Milwaukee Valve Swing Check Valve, 510T Series, 1/2 in, FNPT x FNPT, Bronze Body 510T 1/2
Milwaukee Valve

Swing Check Valve, 510T Series, 1/2 in, FNPT x FNPT, Bronze Body

Zoro # G1025044
Mfr # 510T 1/2
product price: 
$73.68
/ea
Hayward Flow Control Check Valve, True Union, Ball, 2-1/2", CPVC/FPM, Socket TC2250S
Hayward Flow Control

Check Valve, True Union, Ball, 2-1/2", CPVC/FPM, Socket

Zoro # G1514992
Mfr # TC2250S
product price: 
$581.99
/ea
Steel & Obrien Check Valve, Disk Type, Tri-Clamp, 1 in Tube Size, 316 Stainless Steel, 3.29 in Length 45MP-1-CD-316
Steel & Obrien

Check Valve, Disk Type, Tri-Clamp, 1 in Tube Size, 316 Stainless Steel, 3.29 in Length

Zoro # G5412834
Mfr # 45MP-1-CD-316
product price: 
$199.99
/ea
Discover Swing Check Valve, FNPT x FNPT, Stainless Steel, 1-1/4 in 102649
Discover

Swing Check Valve, FNPT x FNPT, Stainless Steel, 1-1/4 in

Zoro # G315879817
Mfr # 102649
product price: 
$28.35
/ea
Zoro Select 3/8" FNPT x MNPT Brass Piston Spring Check Valve CHK BRS 610-6F6M-B
Zoro Select

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

Zoro # G1786845
Mfr # CHK BRS 610-6F6M-B
product price: 
$24.99
/ea
Milwaukee Valve 2 in IPT Low Lead Bronze Swing Check Valve UP509 2
Milwaukee Valve

2 in IPT Low Lead Bronze Swing Check Valve

Zoro # G3118534
Mfr # UP509 2
product price: 
$270.99
/ea
Zoro Select 3/8" Push Gray PVC Ball Cone Spring Check Valve PVC CHK 426-6SMC6SMC-F
Zoro Select

3/8" Push Gray PVC Ball Cone Spring Check Valve

Zoro # G1253621
Mfr # PVC CHK 426-6SMC6SMC-F
product price: 
$27.69
/ea
Milwaukee Valve Check Valve, 515Y Series, Swing Y, 1/2 in, FNPT x FNPT, Bronze 515Y 1/2"
Milwaukee Valve

Check Valve, 515Y Series, Swing Y, 1/2 in, FNPT x FNPT, Bronze

Zoro # G4006676
Mfr # 515Y 1/2"
product price: 
$79.23
/ea
Apollo Valves 1-1/2" Press Lead Free Bronze Swing Check Valve 61YLF207T1PR
Apollo Valves

1-1/2" Press Lead Free Bronze Swing Check Valve

Zoro # G4683567
Mfr # 61YLF207T1PR
product price: 
$316.99
/ea
Parker 3/8" A-LOK(R) Stainless Steel Instrumentation Check Valve 6A-C6L-10-SS
Parker

3/8" A-LOK(R) Stainless Steel Instrumentation Check Valve

Zoro # G3465533
Mfr # 6A-C6L-10-SS
product price: 
$221.99
/ea
Parker 1/4" A-LOK(R) Stainless Steel Instrumentation Check Valve 4A-C4L-10-SS
Parker

1/4" A-LOK(R) Stainless Steel Instrumentation Check Valve

Zoro # G1087484
Mfr # 4A-C4L-10-SS
product price: 
$125.99
/ea
Gf Piping Systems Y Check Valve, Type 304 Series, 3/4 in, Spigot x Spigot, PVC Body, EPDM Seal, Y-Style 192304007
Gf Piping Systems

Y Check Valve, Type 304 Series, 3/4 in, Spigot x Spigot, PVC Body, EPDM Seal, Y-Style

Zoro # G0547145
Mfr # 192304007
product price: 
$80.95
/ea
Check Valves (3,500+ items) - Page 19
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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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