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  1. Home
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  3. Plumbing
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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 37

Milton In-Line Check Valve, 1/4 in FNPT MIS-1093-4
Milton

In-Line Check Valve, 1/4 in FNPT

Zoro # G202128448
Mfr # MIS-1093-4
product price: 
$40.89
/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
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
Flood-Guard Check Valve, Float, Rubber Gasket, 2 in 2FH
Flood-Guard

Check Valve, Float, Rubber Gasket, 2 in

Zoro # G711360551
Mfr # 2FH
product price: 
$54.39
/ea
Everflow Inline Spring Loaded Check Valve, 1 in, Cast Brass 150C100-NL
Everflow

Inline Spring Loaded Check Valve, 1 in, Cast Brass

Zoro # G201106881
Mfr # 150C100-NL
product price: 
$26.49
/ea
Cole Parmer Miniature Check Valve, Straight, Nylon Body, Silicone Diaphragm, 1/8 in ID GM32ASA
Cole Parmer

Miniature Check Valve, Straight, Nylon Body, Silicone Diaphragm, 1/8 in ID

Zoro # G814185488
Mfr # GM32ASA
product price: 
$6.65
/ea
Sold in mult. of 2 for $13.30
Simmons Check Valve, 1-1/4 in, Female Threaded, Bronze 7504
Simmons

Check Valve, 1-1/4 in, Female Threaded, Bronze

Zoro # G721868085
Mfr # 7504
product price: 
$31.49
/ea
Simmons Check Valve, Lead Free, Silicon Bronze Body, 1 in Pipe Size 503SB
Simmons

Check Valve, Lead Free, Silicon Bronze Body, 1 in Pipe Size

Zoro # G921860667
Mfr # 503SB
product price: 
$50.19
/ea
Champion 4" Flanged Stainless Steel Wafer Check Valve 4SD15-SSVS-R
Champion

4" Flanged Stainless Steel Wafer Check Valve

Zoro # G7304705
Mfr # 4SD15-SSVS-R
product price: 
$651.99
/ea
Dixon 1/4" Steel Series C Check Valve SCV400
Dixon

1/4" Steel Series C Check Valve

Zoro # G6547390
Mfr # SCV400
product price: 
$58.49
/ea
Ham-Let Instrumentation Check Valve, H400 Series, Inline Spring, Let-Lok x Let-Lok, 6 mm, 3 psi H-400-SS-L-6MM-3PSI
Ham-Let

Instrumentation Check Valve, H400 Series, Inline Spring, Let-Lok x Let-Lok, 6 mm, 3 psi

Zoro # G308789543
Mfr # H-400-SS-L-6MM-3PSI
product price: 
$86.25
/ea
Chicago Valves And Controls Swing Check Valve, Class 150, Flanged, Stainless Steel, 2-1/2 in 41611025
Chicago Valves And Controls

Swing Check Valve, Class 150, Flanged, Stainless Steel, 2-1/2 in

Zoro # G9158312
Mfr # 41611025
product price: 
$966.99
/ea
Legend Valve Check Valve, T-455 Inline, FNPT x FNPT, Bronze, 1-1/2 in 105-447
Legend Valve

Check Valve, T-455 Inline, FNPT x FNPT, Bronze, 1-1/2 in

Zoro # G1769208
Mfr # 105-447
product price: 
$77.49
/ea
Legend Valve Check Valve, T-750 Series, FNPT x FNPT, Stainless Steel Body, 1-1/2 in 113-437
Legend Valve

Check Valve, T-750 Series, FNPT x FNPT, Stainless Steel Body, 1-1/2 in

Zoro # G1765568
Mfr # 113-437
product price: 
$181.99
/ea
Loc-Line 1/4" Acetal Inline Check Valve PK10 29451-BLK
Loc-Line

1/4" Acetal Inline Check Valve PK10

Zoro # G7041907
Mfr # 29451-BLK
product price: 
$51.89
/pk 10, $5.19/ea
Wilkins 1" Union Female Meter x FNPT Composite Dual Check Valve 1UFMX1F-705
Wilkins

1" Union Female Meter x FNPT Composite Dual Check Valve

Zoro # G4452445
Mfr # 1UFMX1F-705
product price: 
$44.69
/ea
Taco Internal Flow Check Valve 0011-018RP
Taco

Internal Flow Check Valve

Zoro # G109254165
Mfr # 0011-018RP
product price: 
$44.29
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3/4", PP/FPM, Threaded TC30075T
Hayward Flow Control

Check Valve, True Union, Ball, 3/4", PP/FPM, Threaded

Zoro # G2436156
Mfr # TC30075T
product price: 
$152.99
/ea
Nibco Check Valve, Swing, Lead-Free Bronze, 2 in Pipe Size, Female Solder Cup, PTFE Disc NJ740XD
Nibco

Check Valve, Swing, Lead-Free Bronze, 2 in Pipe Size, Female Solder Cup, PTFE Disc

Zoro # G414574354
Mfr # NJ740XD
product price: 
$681.99
/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
Proline Series Check Valve, Schedule 40, PVC, Solvent x Solvent, 2 in Pipe Size 101-608
Proline Series

Check Valve, Schedule 40, PVC, Solvent x Solvent, 2 in Pipe Size

Zoro # G511360560
Mfr # 101-608
product price: 
$35.79
/ea
Sold in mult. of 2 for $71.58
Vne Spring Check Valve, 45C-6 Series, 3/4 in Tube Size, Clamp Connection, Inline, 316L SS 45C-6.75-E
Vne

Spring Check Valve, 45C-6 Series, 3/4 in Tube Size, Clamp Connection, Inline, 316L SS

Zoro # G908363563
Mfr # 45C-6.75-E
product price: 
$318.99
/ea
Parker 1/2" A-LOK(R) Stainless Steel Instrumentation Check Valve 8A-C8L-10-SS
Parker

1/2" A-LOK(R) Stainless Steel Instrumentation Check Valve

Zoro # G1749937
Mfr # 8A-C8L-10-SS
product price: 
$266.99
/ea
Chicago Valves And Controls Piston Check Valve, 1-1/4 in Pipe Size, Socket Weld, Class 800, Stainless Steel P486SW012
Chicago Valves And Controls

Piston Check Valve, 1-1/4 in Pipe Size, Socket Weld, Class 800, Stainless Steel

Zoro # G9161639
Mfr # P486SW012
product price: 
$479.99
/ea
Bonomi 1" Press Lead Free Brass Check Valve 100612LF-1
Bonomi

1" Press Lead Free Brass Check Valve

Zoro # G7560458
Mfr # 100612LF-1
product price: 
$57.19
/ea
Hayward Flow Control Check Valve, Wafer, 8", CPVC/FPM, with Hastelloy Spring WCV2800VH
Hayward Flow Control

Check Valve, Wafer, 8", CPVC/FPM, with Hastelloy Spring

Zoro # G6657454
Mfr # WCV2800VH
product price: 
$2,937.99
/ea
Sharpe Check Valve, 2483SC Series, Inline Swing, 1/2 in, Threaded x Socket Weld, Carbon Steel 4371000900
Sharpe

Check Valve, 2483SC Series, Inline Swing, 1/2 in, Threaded x Socket Weld, Carbon Steel

Zoro # G608258930
Mfr # 4371000900
product price: 
$51.79
/ea
Water Source Check Valve, Spring Loaded, Plastic, 1.50 in Pipe Size 645838
Water Source

Check Valve, Spring Loaded, Plastic, 1.50 in Pipe Size

Zoro # G914916005
Mfr # 645838
product price: 
$60.95
/ea
Plast-O-Matic 1" FNPT Polypropylene Disc Check Valve CKM100V-PP
Plast-O-Matic

1" FNPT Polypropylene Disc Check Valve

Zoro # G4099557
Mfr # CKM100V-PP
product price: 
$191.99
/ea
Mueller Industries Check Valve, 4 in L, Copper, 800 psi A 17935
Mueller Industries

Check Valve, 4 in L, Copper, 800 psi

Zoro # G609944283
Mfr # A 17935
product price: 
$66.49
/ea
Superior Pump Check Valve, Rubber Boot, 2 in 99529
Superior Pump

Check Valve, Rubber Boot, 2 in

Zoro # G521870295
Mfr # 99529
product price: 
$35.19
/ea
Bonomi 1" Sweat Brass Spring Check Valve 100712LF-1"
Bonomi

1" Sweat Brass Spring Check Valve

Zoro # G2011348
Mfr # 100712LF-1"
product price: 
$45.29
/ea
Nds SureFit 10 in. W X 2 in. H Round Valve Box Cover Green 10RND-UC
Nds

SureFit 10 in. W X 2 in. H Round Valve Box Cover Green

Zoro # G924148854
Mfr # 10RND-UC
product price: 
$20.45
/ea
Basiks Check Valve, 1 in, Socket Connection, CPVC Body, FKM Seal TBC360-100VS-CP
Basiks

Check Valve, 1 in, Socket Connection, CPVC Body, FKM Seal

Zoro # G7195078
Mfr # TBC360-100VS-CP
product price: 
$65.15
/ea
Milwaukee Valve Swing Check Valve, UP969 Series, 1 1/2 in, Press x Press, Inline, Lead Free Brass UP0969000112
Milwaukee Valve

Swing Check Valve, UP969 Series, 1 1/2 in, Press x Press, Inline, Lead Free Brass

Zoro # G508413514
Mfr # UP0969000112
product price: 
$161.99
/ea
Chicago Valves And Controls Piston Check Valve, Class 800, Forged Steel Body, FNPT, 1-1/4 in P484TE012
Chicago Valves And Controls

Piston Check Valve, Class 800, Forged Steel Body, FNPT, 1-1/4 in

Zoro # G9157551
Mfr # P484TE012
product price: 
$144.99
/ea
Check Valves (3,500+ items) - Page 37
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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 FittingsPush-to-Connect Tube FittingsCamlock Fittings
1-1/2" swing check valves1" brass check valves3/4" pvc check valves8" wafer check valves3/4" swing check valves
1/2" pvc check valves1/2 inch check valves2" pvc check valves2" flanged check valves3" spring check valves

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