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  1. Home
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  5. Pipes, Valves & Fittings
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  9. Check Valves

Check Valves (3,500+ items) - Page 27

Overtime Swing Check Valve, PVC, 2 in OV2526479
Overtime

Swing Check Valve, PVC, 2 in

Zoro # G914888678
Mfr # OV2526479
product price: 
$91.85
/ea
Proline Series Check Valve, Spring Loaded, Schedule 40 PVC, 2 in Pipe Size 101-108
Proline Series

Check Valve, Spring Loaded, Schedule 40 PVC, 2 in Pipe Size

Zoro # G211360556
Mfr # 101-108
product price: 
$38.95
/ea
Sold in mult. of 2 for $77.90
B & K Check Valve, PVC, White, 1-1/2 in 101-607
B & K

Check Valve, PVC, White, 1-1/2 in

Zoro # G607985790
Mfr # 101-607
product price: 
$10.79
/ea
Sold in mult. of 6 for $64.74
Usa Industrials Check Valve, Inline Swing, 3/4 in FNPT x FNPT, 304 Stainless Steel, 200 psi ZUSA-VLV-129
Usa Industrials

Check Valve, Inline Swing, 3/4 in FNPT x FNPT, 304 Stainless Steel, 200 psi

Zoro # G600716063
Mfr # ZUSA-VLV-129
product price: 
$82.99
/ea
Everflow Swing Check Valve, Cast Brass, 2-1/2 in SWT 210C212-NL
Everflow

Swing Check Valve, Cast Brass, 2-1/2 in SWT

Zoro # G001106920
Mfr # 210C212-NL
product price: 
$106.99
/ea
Smith-Cooper 1/2" C X C Brass Inline Check Valve 4347003820
Smith-Cooper

1/2" C X C Brass Inline Check Valve

Zoro # G6775927
Mfr # 4347003820
product price: 
$8.35
/ea
Legend Valve Check Valve, T-451, 1-1/4 in, FNPT x FNPT, Brass 105-106NL
Legend Valve

Check Valve, T-451, 1-1/4 in, FNPT x FNPT, Brass

Zoro # G1785789
Mfr # 105-106NL
product price: 
$46.15
/ea
Sharpe Check Valve, Series 25, Swing, 3 in, Flanged x Flanged, CF8M Stainless Steel 4371002260
Sharpe

Check Valve, Series 25, Swing, 3 in, Flanged x Flanged, CF8M Stainless Steel

Zoro # G108258805
Mfr # 4371002260
product price: 
$928.99
/ea
Dayton Spring Check Valve, Inline, 1 1/4 in, Slip x Slip, PVC Body, 6 3/8 in Overall L 4RG73
Dayton

Spring Check Valve, Inline, 1 1/4 in, Slip x Slip, PVC Body, 6 3/8 in Overall L

Zoro # G3099957
Mfr # 4RG73
product price: 
$80.49
/ea
Dixon Check Valve, Inline, 3/8 in FNPT, 316 Stainless Steel Body SSCVIL038
Dixon

Check Valve, Inline, 3/8 in FNPT, 316 Stainless Steel Body

Zoro # G109021354
Mfr # SSCVIL038
product price: 
$106.99
/ea
Wayland Y-Ball Check Valve, Clamp Connection, 2 in Tube Size, T316L Stainless Steel W645BY-E-2
Wayland

Y-Ball Check Valve, Clamp Connection, 2 in Tube Size, T316L Stainless Steel

Zoro # G212506588
Mfr # W645BY-E-2
product price: 
$499.99
/ea
Resideo Circulating Pump Check Valve, 1-1/4 in, 62 gpm, 150 psi PCV125
Resideo

Circulating Pump Check Valve, 1-1/4 in, 62 gpm, 150 psi

Zoro # G210473950
Mfr # PCV125
product price: 
$12.89
/ea
Thrifco Plumbing Spring Check Valve, PVC, Slip x Slip, 1-1/4 in 6415198
Thrifco Plumbing

Spring Check Valve, PVC, Slip x Slip, 1-1/4 in

Zoro # G909547597
Mfr # 6415198
product price: 
$16.59
/ea
Dixon Spring Check Valve, HSC Series, 4 in, Clamp Connection, 145 psi, 15 to 200 deg F HSCE400
Dixon

Spring Check Valve, HSC Series, 4 in, Clamp Connection, 145 psi, 15 to 200 deg F

Zoro # G509067426
Mfr # HSCE400
product price: 
$1,067.99
/ea
Milwaukee Valve 1" Sweat Low Lead Bronze Spring Check Valve UP1509 1
Milwaukee Valve

1" Sweat Low Lead Bronze Spring Check Valve

Zoro # G2256502
Mfr # UP1509 1
product price: 
$131.99
/ea
Dixon Spring Check Valve Repair Kit B46MP-RK250
Dixon

Spring Check Valve Repair Kit

Zoro # G509136214
Mfr # B46MP-RK250
product price: 
$31.59
/ea
Craftsman Check Valve, ABS, 1-1/4 in or 1-1/2 in CMXWUSDCV69502
Craftsman

Check Valve, ABS, 1-1/4 in or 1-1/2 in

Zoro # G624150829
Mfr # CMXWUSDCV69502
product price: 
$20.79
/ea
Water Source Check Valve, Spring Loaded, Plastic Body, 1-1/4 in Pipe Size 645820
Water Source

Check Valve, Spring Loaded, Plastic Body, 1-1/4 in Pipe Size

Zoro # G210528612
Mfr # 645820
product price: 
$36.15
/ea
Sharpe Check Valve, Series 25, Swing, 6 in, Flanged x Flanged, Carbon Steel, Inline 4371002820
Sharpe

Check Valve, Series 25, Swing, 6 in, Flanged x Flanged, Carbon Steel, Inline

Zoro # G508258955
Mfr # 4371002820
product price: 
$1,799.99
/ea
Wayland Check Valve, Spring Loaded, 4 in Tube Size, Clamp, T316L Stainless Steel W645MP-E-4
Wayland

Check Valve, Spring Loaded, 4 in Tube Size, Clamp, T316L Stainless Steel

Zoro # G312507256
Mfr # W645MP-E-4
product price: 
$695.99
/ea
Dixon Air Blow Check Valve, 4 in FNPT, 316L Stainless Steel Body, EPDM Softgoods B45BC-R400
Dixon

Air Blow Check Valve, 4 in FNPT, 316L Stainless Steel Body, EPDM Softgoods

Zoro # G209216858
Mfr # B45BC-R400
product price: 
$477.99
/ea
Legend Valve Check Valve, S-611, 1/2 in, Solvent x Solvent, Stainless Steel 203-203
Legend Valve

Check Valve, S-611, 1/2 in, Solvent x Solvent, Stainless Steel

Zoro # G1785868
Mfr # 203-203
product price: 
$6.79
/ea
Sold in mult. of 2 for $13.58
Proline Series In-Line Check Valve, 3/4 in Socket x 3/4 in Socket, PVC 101-604
Proline Series

In-Line Check Valve, 3/4 in Socket x 3/4 in Socket, PVC

Zoro # G221874579
Mfr # 101-604
product price: 
$5.19
/ea
Sold in mult. of 2 for $10.38
Apollo Valves 3/4" Swivel x NPT Lead Free Bronze Dual Check Valve 4ALF3S54A
Apollo Valves

3/4" Swivel x NPT Lead Free Bronze Dual Check Valve

Zoro # G5151571
Mfr # 4ALF3S54A
product price: 
$71.99
/ea
Hoke Poppet Check Valve, 6200 Series, 1/4 in Tube x 1/4 in Tube, 316 Stainless Steel 6233G4Y
Hoke

Poppet Check Valve, 6200 Series, 1/4 in Tube x 1/4 in Tube, 316 Stainless Steel

Zoro # G716506985
Mfr # 6233G4Y
product price: 
$214.99
/ea
Milwaukee Valve Swing Check Valve, UP509 Series, 1 in, Press x Press, Lead-Free Bronze Body UP509-P2  - 100
Milwaukee Valve

Swing Check Valve, UP509 Series, 1 in, Press x Press, Lead-Free Bronze Body

Zoro # G008413441
Mfr # UP509-P2 - 100
product price: 
$157.99
/ea
Hoke Check Valve, CVH Series, 1 in FNPT x 1 in FNPT, 316 Stainless Steel, Viton Seal CVHF16Y21S
Hoke

Check Valve, CVH Series, 1 in FNPT x 1 in FNPT, 316 Stainless Steel, Viton Seal

Zoro # G816507196
Mfr # CVHF16Y21S
product price: 
$1,146.99
/ea
Sharpe Check Valve, Series 25, Swing, 3 in, Flanged x Flanged, Carbon Steel, Inline 4371002800
Sharpe

Check Valve, Series 25, Swing, 3 in, Flanged x Flanged, Carbon Steel, Inline

Zoro # G808258921
Mfr # 4371002800
product price: 
$559.99
/ea
Sharpe Check Valve, 2483 Series, Piston, 1 1/4 in, Socket Weld x Socket Weld, Carbon Steel 4371001830
Sharpe

Check Valve, 2483 Series, Piston, 1 1/4 in, Socket Weld x Socket Weld, Carbon Steel

Zoro # G108258942
Mfr # 4371001830
product price: 
$453.99
/ea
Sharpe Check Valve, 2483 Series, Piston, 1 1/2 in, NPSM Female x Socket Weld, Carbon Steel 4371001470
Sharpe

Check Valve, 2483 Series, Piston, 1 1/2 in, NPSM Female x Socket Weld, Carbon Steel

Zoro # G108258843
Mfr # 4371001470
product price: 
$171.99
/ea
Dixon Check Valve, Eccentric Spring, 4 in, FKM EHSCV400BB
Dixon

Check Valve, Eccentric Spring, 4 in, FKM

Zoro # G009067261
Mfr # EHSCV400BB
product price: 
$1,485.99
/ea
Moroso Crankcase Evacuation System Check Valve M28-97800
Moroso

Crankcase Evacuation System Check Valve

Zoro # G016482231
Mfr # M28-97800
product price: 
$60.29
/ea
Dixon Spring-Loaded Check Valve, 1-1/4 in, FNPT, Brass Body, NBR Seat CV125
Dixon

Spring-Loaded Check Valve, 1-1/4 in, FNPT, Brass Body, NBR Seat

Zoro # G609007582
Mfr # CV125
product price: 
$58.29
/ea
Dixon Safety Check Valve, 1-1/4 in Pipe Size, FNPT Connection, Brass Body SCVM10
Dixon

Safety Check Valve, 1-1/4 in Pipe Size, FNPT Connection, Brass Body

Zoro # G509008153
Mfr # SCVM10
product price: 
$292.99
/ea
Thrifco Plumbing Check Valve, Spring, Threaded, PVC Body, 3/4 in Connection 6415181
Thrifco Plumbing

Check Valve, Spring, Threaded, PVC Body, 3/4 in Connection

Zoro # G309547531
Mfr # 6415181
product price: 
$8.59
/ea
Milwaukee Valve Swing Check Valve, 515 Series, 1-1/4 in, FNPT x FNPT, Inline Swing, Bronze 515 1-1/4"
Milwaukee Valve

Swing Check Valve, 515 Series, 1-1/4 in, FNPT x FNPT, Inline Swing, Bronze

Zoro # G1779741
Mfr # 515 1-1/4"
product price: 
$120.99
/ea
Sold in mult. of 4 for $483.96
Check Valves (3,500+ items) - Page 27
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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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