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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 5

Milwaukee Valve 2-1/2" Flanged Cast Iron Swing Check Valve 2974-M 2 1/2
Milwaukee Valve

2-1/2" Flanged Cast Iron Swing Check Valve

Zoro # G0656336
Mfr # 2974-M 2 1/2
product price: 
$363.48
/ea
Ssi 4" Wafer Flange Cast Iron Double Disc Check Valve 0400-125WTIBB-T
Ssi

4" Wafer Flange Cast Iron Double Disc Check Valve

Zoro # G0953364
Mfr # 0400-125WTIBB-T
product price: 
$140.99
/ea
Plast-O-Matic Check Valve, CKM Series, 1/2 in Pipe Size, FNPT x Socket, Inline Disc, PVC Body CKM050V-PV
Plast-O-Matic

Check Valve, CKM Series, 1/2 in Pipe Size, FNPT x Socket, Inline Disc, PVC Body

Zoro # G4301613
Mfr # CKM050V-PV
product price: 
$119.99
/ea
Bonomi 2-1/2" NPT Brass Spring Check Valve 100003-2-1/2"
Bonomi

2-1/2" NPT Brass Spring Check Valve

Zoro # G2011250
Mfr # 100003-2-1/2"
product price: 
$139.99
/ea
Zoro Select 1/4" FNPT Brass Piston Spring Check Valve CHK BRS 415-4F4F-B
Zoro Select

1/4" FNPT Brass Piston Spring Check Valve

Zoro # G1753114
Mfr # CHK BRS 415-4F4F-B
product price: 
$22.19
/ea
Apollo Valves 1" FNPT Lead Free Bronze Ball Cone Check Valve 61LF10501
Apollo Valves

1" FNPT Lead Free Bronze Ball Cone Check Valve

Zoro # G5153407
Mfr # 61LF10501
product price: 
$74.99
/ea
Milwaukee Valve Swing Check Valve, 509 Series, 3/4 in, FNPT x FNPT, Bronze Body 509 3/4
Milwaukee Valve

Swing Check Valve, 509 Series, 3/4 in, FNPT x FNPT, Bronze Body

Zoro # G0688143
Mfr # 509 3/4
product price: 
$60.38
/ea
Nds Swing Check Valve, Inline, 3/4 in Pipe Size, FNPT x FNPT, PVC Body 1520-07F
Nds

Swing Check Valve, Inline, 3/4 in Pipe Size, FNPT x FNPT, PVC Body

Zoro # G0665621
Mfr # 1520-07F
product price: 
$20.59
/ea
Jomar Valve 1/2" NPT Lead Free Brass Spring Check Valve T-521G
Jomar Valve

1/2" NPT Lead Free Brass Spring Check Valve

Zoro # G7050928
Mfr # T-521G
product price: 
$22.21
/ea
Apollo Valves 3/8" FNPT Bronze Ball Cone Spring Check Valve 6110201
Apollo Valves

3/8" FNPT Bronze Ball Cone Spring Check Valve

Zoro # G1086242
Mfr # 6110201
product price: 
$41.65
/ea
Bonomi 3/4" NPT Stainless Steel Spring Check Valve S800-3/4"
Bonomi

3/4" NPT Stainless Steel Spring Check Valve

Zoro # G3769221
Mfr # S800-3/4"
product price: 
$81.79
/ea
Smith-Cooper 1-1/4" Brass Inline Check Valve 4347003760
Smith-Cooper

1-1/4" Brass Inline Check Valve

Zoro # G6775881
Mfr # 4347003760
product price: 
$29.39
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1", PVC/FPM, S/T TC10100ST
Hayward Flow Control

Check Valve, True Union, Ball, 1", PVC/FPM, S/T

Zoro # G3032976
Mfr # TC10100ST
product price: 
$88.39
/ea
Campbell 1" FNPT Lead Free Brass Spring Check Valve 4031E
Campbell

1" FNPT Lead Free Brass Spring Check Valve

Zoro # G1818171
Mfr # 4031E
product price: 
$61.75
/ea
Apollo Valves 3" FNPT Bronze Ball Cone Spring Check Valve 6110001
Apollo Valves

3" FNPT Bronze Ball Cone Spring Check Valve

Zoro # G2845236
Mfr # 6110001
product price: 
$931.99
/ea
Zoro Select 1/4" MNPT Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4M4M-B
Zoro Select

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

Zoro # G1842075
Mfr # PVC CHK 426-4M4M-B
product price: 
$18.69
/ea
Zoro Select 1/2" FNPT Ball Cone Spring Check Valve FP CHK 685-8F8F-B
Zoro Select

1/2" FNPT Ball Cone Spring Check Valve

Zoro # G0653843
Mfr # FP CHK 685-8F8F-B
product price: 
$18.29
/ea
Zoro Select 1/2" NPT Stainless Steel Swing Check Valve 4VMT9
Zoro Select

1/2" NPT Stainless Steel Swing Check Valve

Zoro # G2401174
Mfr # 4VMT9
product price: 
$66.35
/ea
Ssi 2" Wafer Flange Cast Iron Silent Check Valve 0200-125WCIBM-T
Ssi

2" Wafer Flange Cast Iron Silent Check Valve

Zoro # G2823816
Mfr # 0200-125WCIBM-T
product price: 
$74.69
/ea
Apollo Valves 1/2" FNPT Cast Bronze Ball Cone Check Valve 61-503-01
Apollo Valves

1/2" FNPT Cast Bronze Ball Cone Check Valve

Zoro # G0093591
Mfr # 61-503-01
product price: 
$41.79
/ea
Bonomi 1" NPT Stainless Steel Spring Check Valve S800-1"
Bonomi

1" NPT Stainless Steel Spring Check Valve

Zoro # G3769215
Mfr # S800-1"
product price: 
$100.99
/ea
Zoro Select Swing Check Valve, 2 in, FNPT x FNPT, Inline Swing, Brass Body 10F327
Zoro Select

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

Zoro # G4260532
Mfr # 10F327
product price: 
$70.19
/ea
Moen Check Valve Kit 162202
Moen

Check Valve Kit

Zoro # G201730833
Mfr # 162202
product price: 
$24.25
/ea
Zoro Select 1-1/4" NPT Stainless Steel Swing Check Valve 4VMU3
Zoro Select

1-1/4" NPT Stainless Steel Swing Check Valve

Zoro # G1310163
Mfr # 4VMU3
product price: 
$94.29
/ea
Zoro Select 1/2" MNPT Brass Piston Spring Check Valve CHK BRS 810-8M8M-B
Zoro Select

1/2" MNPT Brass Piston Spring Check Valve

Zoro # G1516076
Mfr # CHK BRS 810-8M8M-B
product price: 
$30.29
/ea
Zoro Select 3/8" MNPT Brass Piston Spring Check Valve CHK BRS 610-6M6M-B
Zoro Select

3/8" MNPT Brass Piston Spring Check Valve

Zoro # G1031432
Mfr # CHK BRS 610-6M6M-B
product price: 
$23.69
/ea
Zoro Select 1/4" FNPT x MNPT Brass Piston Spring Check Valve CHK BRS 410-4F4M-B
Zoro Select

1/4" FNPT x MNPT Brass Piston Spring Check Valve

Zoro # G2670735
Mfr # CHK BRS 410-4F4M-B
product price: 
$19.19
/ea
Parker Check Valve, 1-Way, 1/2 in Tube x Tube Push, Acetal Body, 2.68 in Overall L A8VC8-MG
Parker

Check Valve, 1-Way, 1/2 in Tube x Tube Push, Acetal Body, 2.68 in Overall L

Zoro # G904319519
Mfr # A8VC8-MG
product price: 
$14.19
/ea
Zoro Select Swing Check Valve, Inline, 2-1/2 in, FNPT x FNPT, Bronze Body 10F296
Zoro Select

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

Zoro # G4263603
Mfr # 10F296
product price: 
$191.99
/ea
Zoro Select 3/4" NPT Stainless Steel Swing Check Valve 4VMU1
Zoro Select

3/4" NPT Stainless Steel Swing Check Valve

Zoro # G0478861
Mfr # 4VMU1
product price: 
$68.79
/ea
Hayward Flow Control Check Valve, True Union, Ball, 2", CPVC/FPM, S/T TC20200ST
Hayward Flow Control

Check Valve, True Union, Ball, 2", CPVC/FPM, S/T

Zoro # G1158202
Mfr # TC20200ST
product price: 
$266.99
/ea
Milwaukee Valve 1" Threaded Low Lead Bronze Swing Check Valve UP509 1
Milwaukee Valve

1" Threaded Low Lead Bronze Swing Check Valve

Zoro # G2641843
Mfr # UP509 1
product price: 
$117.99
/ea
Bonomi 2" NPT Stainless Steel Spring Check Valve S800-2"
Bonomi

2" NPT Stainless Steel Spring Check Valve

Zoro # G3769188
Mfr # S800-2"
product price: 
$266.99
/ea
Bonomi 3/8" NPT Brass Spring Check Valve 100012LF-3/8"
Bonomi

3/8" NPT Brass Spring Check Valve

Zoro # G2011460
Mfr # 100012LF-3/8"
product price: 
$17.69
/ea
Parker 1/2" FNPT Stainless Steel Instrumentation Check Valve 8F-C8L-1-SS
Parker

1/2" FNPT Stainless Steel Instrumentation Check Valve

Zoro # G2479793
Mfr # 8F-C8L-1-SS
product price: 
$235.99
/ea
Bonomi 1-1/4" NPT Brass Spring Check Valve 100003-1-1/4"
Bonomi

1-1/4" NPT Brass Spring Check Valve

Zoro # G2011287
Mfr # 100003-1-1/4"
product price: 
$33.49
/ea
Check Valves (3,500+ items) - Page 5
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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
Stainless Steel Pipe FittingsBlack 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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