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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 19

Ssi 2" Wafer Flange Cast Iron Silent Check Valve 0200-125WCITM-T
Ssi

2" Wafer Flange Cast Iron Silent Check Valve

Zoro # G1513985
Mfr # 0200-125WCITM-T
product price: 
$136.99
/ea
Watts Dual Check Valve, Atmospheric Vent, 1/2 in Pipe Size 9D-M3
Watts

Dual Check Valve, Atmospheric Vent, 1/2 in Pipe Size

Zoro # G015366211
Mfr # 9D-M3
product price: 
$137.99
/ea
Campbell Mfg Campbell 1 in. D X 1 in. D Red Brass Spring Loaded Check Valve CVB-4TLF
Campbell Mfg

Campbell 1 in. D X 1 in. D Red Brass Spring Loaded Check Valve

Zoro # G7700293
Mfr # CVB-4TLF
product price: 
$33.75
/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
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
Smith-Cooper Check Valve, 3/4 in Pipe Size, Threaded, 316 Stainless Steel Body, 200 WOG 4373002130
Smith-Cooper

Check Valve, 3/4 in Pipe Size, Threaded, 316 Stainless Steel Body, 200 WOG

Zoro # G1461728
Mfr # 4373002130
product price: 
$55.85
/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
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
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
Resideo Backflow Preventer, 1/2 in NPT FM911
Resideo

Backflow Preventer, 1/2 in NPT

Zoro # G509544972
Mfr # FM911
product price: 
$158.99
/ea
Campbell Foot & Check Valve, 1-1/4 in, Acetal Polymer SFV125
Campbell

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

Zoro # G611360576
Mfr # SFV125
product price: 
$29.45
/ea
Alfa Laval Check Valve Service Kit, LKC-2, 2 in, EPDM 9611924007
Alfa Laval

Check Valve Service Kit, LKC-2, 2 in, EPDM

Zoro # G910081462
Mfr # 9611924007
product price: 
$72.45
/ea
Campbell Spring Loaded Check Valve, 1 in, Acetal Polymer SLC-100
Campbell

Spring Loaded Check Valve, 1 in, Acetal Polymer

Zoro # G711335726
Mfr # SLC-100
product price: 
$19.65
/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
No Product Image Available
Keckley

3" Flanged Flanged Triple Duty Valve

Zoro # G3820210
Mfr # TDV-300
product price: 
$735.99
/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
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
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
Apollo Valves 3/8" FNPT Lead Free Bronze Ball Cone Check Valve 61LF10201
Apollo Valves

3/8" FNPT Lead Free Bronze Ball Cone Check Valve

Zoro # G5151684
Mfr # 61LF10201
product price: 
$50.59
/ea
Liberty Pumps 1-1/2" FNPT Cast Iron High Temp. Swing Check Valve HCV150
Liberty Pumps

1-1/2" FNPT Cast Iron High Temp. Swing Check Valve

Zoro # G3472323
Mfr # HCV150
product price: 
$84.79
/ea
Apollo Valves 1" Press Lead Free Bronze Swing Check Valve 61YLF205T1PR
Apollo Valves

1" Press Lead Free Bronze Swing Check Valve

Zoro # G4692283
Mfr # 61YLF205T1PR
product price: 
$185.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 4", PVC/FPM, Socket TC1400S
Hayward Flow Control

Check Valve, True Union, Ball, 4", PVC/FPM, Socket

Zoro # G1100111
Mfr # TC1400S
product price: 
$870.99
/ea
Viega 1-1/4" X 1-1/4" Press Low Lead Bronze Spring Check Valve 79050
Viega

1-1/4" X 1-1/4" Press Low Lead Bronze Spring Check Valve

Zoro # G1906037
Mfr # 79050
product price: 
$63.49
/ea
Legris 1/4" Tube x MNPT Meter Input Check Valve 7985 56 14
Legris

1/4" Tube x MNPT Meter Input Check Valve

Zoro # G4416185
Mfr # 7985 56 14
product price: 
$34.49
/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
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
Zoro Select 1/4" FNPT Brass Poppet Spring Check Valve CHK BRS 450-4F4F-F
Zoro Select

1/4" FNPT Brass Poppet Spring Check Valve

Zoro # G0979772
Mfr # CHK BRS 450-4F4F-F
product price: 
$22.49
/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 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
Zoro Select Swing Check Valve, Inline, 1-1/2 in, FNPT x FNPT, Brass, 3.75 in Overall L 10F326
Zoro Select

Swing Check Valve, Inline, 1-1/2 in, FNPT x FNPT, Brass, 3.75 in Overall L

Zoro # G4272161
Mfr # 10F326
product price: 
$60.75
/ea
Zoro Select 3" NPT Stainless Steel Swing Check Valve 4VMU7
Zoro Select

3" NPT Stainless Steel Swing Check Valve

Zoro # G3425116
Mfr # 4VMU7
product price: 
$552.99
/ea
Zoro Select 1/4" Push Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4SMC4SMC-F
Zoro Select

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

Zoro # G3333933
Mfr # PVC CHK 426-4SMC4SMC-F
product price: 
$26.89
/ea
No Product Image Available
Val-Matic

3" Flanged Cast Iron Swing Flex Check Valve

Zoro # G1971645
Mfr # 503A-DB6F
product price: 
$960.99
/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
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 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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