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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
  8. /
  9. Check Valves

Check Valves (3,500+ items) - Page 8

Dixon Safety Check Valve, 3/4 in Pipe Size, NPT, Brass, 350 psi SCVH6
Dixon

Safety Check Valve, 3/4 in Pipe Size, NPT, Brass, 350 psi

Zoro # G6558408
Mfr # SCVH6
product price: 
$107.99
/ea
Milwaukee Valve 1-1/2" FNPT Bronze Swing Check Valve 509 1 1/2
Milwaukee Valve

1-1/2" FNPT Bronze Swing Check Valve

Zoro # G0845117
Mfr # 509 1 1/2
product price: 
$135.09
/ea
Jomar Valve 1/2" NPT Bronze Y Check Valve, Connection Type: Threaded T-511
Jomar Valve

1/2" NPT Bronze Y Check Valve, Connection Type: Threaded

Zoro # G7153977
Mfr # T-511
product price: 
$28.79
/ea
Dixon 3" FNPT Brass Horizontal Swing Check Valve SWCV300
Dixon

3" FNPT Brass Horizontal Swing Check Valve

Zoro # G6549335
Mfr # SWCV300
product price: 
$201.99
/ea
Smith-Cooper 3/4" Swing Check Valve 4347002820
Smith-Cooper

3/4" Swing Check Valve

Zoro # G6775653
Mfr # 4347002820
product price: 
$10.39
/ea
Zoro Select 1/4" Barb Polypropylene Ball Cone Spring Check Valve PP CHK 695-4B4B-B
Zoro Select

1/4" Barb Polypropylene Ball Cone Spring Check Valve

Zoro # G1938903
Mfr # PP CHK 695-4B4B-B
product price: 
$8.39
/ea
Milwaukee Valve 2-1/2" FNPT Bronze Swing Y Check Valve 507 2 1/2
Milwaukee Valve

2-1/2" FNPT Bronze Swing Y Check Valve

Zoro # G3212097
Mfr # 507 2 1/2
product price: 
$825.97
/ea
Zoro Select 1/2" FNPT Brass Poppet Spring Check Valve CHK BRS 850-8F8F-B
Zoro Select

1/2" FNPT Brass Poppet Spring Check Valve

Zoro # G1662376
Mfr # CHK BRS 850-8F8F-B
product price: 
$31.19
/ea
Bonomi 1" NPT Stainless Steel Spring Check Valve S250-1"
Bonomi

1" NPT Stainless Steel Spring Check Valve

Zoro # G6031641
Mfr # S250-1"
product price: 
$50.19
/ea
Plast-O-Matic Check Valve, CKM Series, 1 in, FNPT x Socket, Inline Disc, PVC Body CKM100V-PV
Plast-O-Matic

Check Valve, CKM Series, 1 in, FNPT x Socket, Inline Disc, PVC Body

Zoro # G4078261
Mfr # CKM100V-PV
product price: 
$159.99
/ea
Zoro Select Swing Check Valve, 3 in, FNPT x FNPT, Bronze Body, Inline 10F297
Zoro Select

Swing Check Valve, 3 in, FNPT x FNPT, Bronze Body, Inline

Zoro # G4261004
Mfr # 10F297
product price: 
$452.99
/ea
Milwaukee Valve Swing Check Valve, 509 Series, 1 in, FNPT x FNPT, Bronze Body 509 1
Milwaukee Valve

Swing Check Valve, 509 Series, 1 in, FNPT x FNPT, Bronze Body

Zoro # G2746353
Mfr # 509 1
product price: 
$80.86
/ea
Campbell Spring Loaded Check Valve, 1-1/4 in, Acetal Polymer SLC-125
Campbell

Spring Loaded Check Valve, 1-1/4 in, Acetal Polymer

Zoro # G911335847
Mfr # SLC-125
product price: 
$27.25
/ea
Zoro Select 1/4" FNPT Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4F4F-B
Zoro Select

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

Zoro # G1117566
Mfr # PVC CHK 426-4F4F-B
product price: 
$19.89
/ea
Bonomi 1/2" NPT Stainless Steel Spring Check Valve S250-1/2"
Bonomi

1/2" NPT Stainless Steel Spring Check Valve

Zoro # G6047732
Mfr # S250-1/2"
product price: 
$40.39
/ea
Ssi 3" Wafer Flange Cast Iron Double Disc Check Valve 0300-125WTIBB-T
Ssi

3" Wafer Flange Cast Iron Double Disc Check Valve

Zoro # G3252593
Mfr # 0300-125WTIBB-T
product price: 
$94.45
/ea
Nds Swing Check Valve, Inline, 1 1/4 in, FNPT x FNPT, PVC Body, 5 1/8 in Overall L 1520-12F
Nds

Swing Check Valve, Inline, 1 1/4 in, FNPT x FNPT, PVC Body, 5 1/8 in Overall L

Zoro # G0377404
Mfr # 1520-12F
product price: 
$32.99
/ea
Milwaukee Valve Check Valve, 508 Series, Y Swing, 1 in, FNPT x FNPT, Bronze Body 508 1"
Milwaukee Valve

Check Valve, 508 Series, Y Swing, 1 in, FNPT x FNPT, Bronze Body

Zoro # G1262493
Mfr # 508 1"
product price: 
$127.93
/ea
Zoro Select Swing Check Valve, 1/2 in, FNPT x FNPT, Inline, Bronze Body 10F290
Zoro Select

Swing Check Valve, 1/2 in, FNPT x FNPT, Inline, Bronze Body

Zoro # G4284567
Mfr # 10F290
product price: 
$26.89
/ea
Bonomi 1" NPT Brass Spring Check Valve 100012LF-1"
Bonomi

1" NPT Brass Spring Check Valve

Zoro # G2011436
Mfr # 100012LF-1"
product price: 
$29.29
/ea
Keckley 3" Stainless Steel Wafer Check Valve DD2R-36-364IX-300
Keckley

3" Stainless Steel Wafer Check Valve

Zoro # G1612235
Mfr # DD2R-36-364IX-300
product price: 
$897.99
/ea
Keckley 2" Stainless Steel Wafer Check Valve DD2R-36-364IX-200
Keckley

2" Stainless Steel Wafer Check Valve

Zoro # G1612418
Mfr # DD2R-36-364IX-200
product price: 
$611.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3", PVC/FPM, Socket TC1300S
Hayward Flow Control

Check Valve, True Union, Ball, 3", PVC/FPM, Socket

Zoro # G3387824
Mfr # TC1300S
product price: 
$422.99
/ea
Bonomi 3" NPT Brass Spring Check Valve 100012LF-3"
Bonomi

3" NPT Brass Spring Check Valve

Zoro # G2011381
Mfr # 100012LF-3"
product price: 
$257.99
/ea
Zoro Select Swing Check Valve, Inline, 1/2 in, FNPT x FNPT, Brass Body 10F322
Zoro Select

Swing Check Valve, Inline, 1/2 in, FNPT x FNPT, Brass Body

Zoro # G4314563
Mfr # 10F322
product price: 
$13.29
/ea
Apollo Valves 1/2" FNPT Lead Free Bronze Ball Cone Check Valve 61LF10301
Apollo Valves

1/2" FNPT Lead Free Bronze Ball Cone Check Valve

Zoro # G5151693
Mfr # 61LF10301
product price: 
$49.39
/ea
Milwaukee Valve 3" Flanged Cast Steel Swing Check Valve 1570 CB2 3"
Milwaukee Valve

3" Flanged Cast Steel Swing Check Valve

Zoro # G1326175
Mfr # 1570 CB2 3"
product price: 
$607.99
/ea
Val-Matic 3" Flanged Cast Iron Silent Check Valve 1803A-DSY
Val-Matic

3" Flanged Cast Iron Silent Check Valve

Zoro # G1605956
Mfr # 1803A-DSY
product price: 
$817.99
/ea
Sharpe Valves 3/4" FNPT Forged Carbon Steel Piston Check Valve 4371001520
Sharpe Valves

3/4" FNPT Forged Carbon Steel Piston Check Valve

Zoro # G1741713
Mfr # 4371001520
product price: 
$93.19
/ea
Milwaukee Valve Check Valve, 508 Series, Swing Y, 2 in FNPT x FNPT, Bronze Body 508 2"
Milwaukee Valve

Check Valve, 508 Series, Swing Y, 2 in FNPT x FNPT, Bronze Body

Zoro # G0842414
Mfr # 508 2"
product price: 
$358.99
/ea
Nds Swing Check Valve, Inline, 1/2 in, FNPT x FNPT, PVC Body 1520-05F
Nds

Swing Check Valve, Inline, 1/2 in, FNPT x FNPT, PVC Body

Zoro # G2702822
Mfr # 1520-05F
product price: 
$15.79
/ea
Bonomi 1-1/2" NPT Brass Spring Check Valve 100012LF-1-1/2"
Bonomi

1-1/2" NPT Brass Spring Check Valve

Zoro # G2011418
Mfr # 100012LF-1-1/2"
product price: 
$83.15
/ea
Milwaukee Valve 3/4" FNPT Bronze Swing Y Check Valve 515Y 3/4"
Milwaukee Valve

3/4" FNPT Bronze Swing Y Check Valve

Zoro # G3908676
Mfr # 515Y 3/4"
product price: 
$101.26
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3/4", CPVC/EPDM, S/T TC20075STE
Hayward Flow Control

Check Valve, True Union, Ball, 3/4", CPVC/EPDM, S/T

Zoro # G1008147
Mfr # TC20075STE
product price: 
$97.19
/ea
Sharpe Valves 2" FNPT Forged Carbon Steel Piston Check Valve 4371001560
Sharpe Valves

2" FNPT Forged Carbon Steel Piston Check Valve

Zoro # G1703861
Mfr # 4371001560
product price: 
$326.99
/ea
Steel & Obrien Check Valve, Disk Type, Clamp Connection, 3 in Tube Size, 316 Stainless Steel 45MP-3-CD-316
Steel & Obrien

Check Valve, Disk Type, Clamp Connection, 3 in Tube Size, 316 Stainless Steel

Zoro # G5412852
Mfr # 45MP-3-CD-316
product price: 
$631.99
/ea
Check Valves (3,500+ items) - Page 8
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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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