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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 17

Bonomi 1-1/4" NPT Stainless Steel Spring Check Valve S250-11/4"
Bonomi

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

Zoro # G6041371
Mfr # S250-11/4"
product price: 
$62.39
/ea
Zoro Select 1/8" MNPT Brass Piston Spring Check Valve CHK BRS 210-2M2M-B
Zoro Select

1/8" MNPT Brass Piston Spring Check Valve

Zoro # G0882971
Mfr # CHK BRS 210-2M2M-B
product price: 
$24.29
/ea
Milwaukee Valve 2-1/2" FNPT Bronze Swing Y Check Valve 508 2-1/2"
Milwaukee Valve

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

Zoro # G2616074
Mfr # 508 2-1/2"
product price: 
$549.61
/ea
Ssi 4" Wafer Flange Stainless Steel Double Disc Check Valve 0400-300WTTTM-T
Ssi

4" Wafer Flange Stainless Steel Double Disc Check Valve

Zoro # G1919976
Mfr # 0400-300WTTTM-T
product price: 
$798.99
/ea
Dayton 1-1/2" Socket PVC Ball Check Valve 4RG92
Dayton

1-1/2" Socket PVC Ball Check Valve

Zoro # G3335272
Mfr # 4RG92
product price: 
$142.99
/ea
Dayton Spring Check Valve, Inline, 1/2 in, Slip x Slip, PVC Body 4RG70
Dayton

Spring Check Valve, Inline, 1/2 in, Slip x Slip, PVC Body

Zoro # G0617924
Mfr # 4RG70
product price: 
$53.59
/ea
Zoro Select Check Valve, H041N01 Series, Swing, 1 1/4 in FNPT x FNPT, 316 Stainless Steel 06H041N01114
Zoro Select

Check Valve, H041N01 Series, Swing, 1 1/4 in FNPT x FNPT, 316 Stainless Steel

Zoro # G305657401
Mfr # 06H041N01114
product price: 
$81.39
/ea
Hayward Flow Control Check Valve, Wafer, 4", CPVC/EPDM, with SS Spring WCV2400ES
Hayward Flow Control

Check Valve, Wafer, 4", CPVC/EPDM, with SS Spring

Zoro # G6898446
Mfr # WCV2400ES
product price: 
$709.99
/ea
Champion 6" Flanged Ductile Iron Spring Lever Wafer Check Valve 6SDX12-LTBS-P2/5
Champion

6" Flanged Ductile Iron Spring Lever Wafer Check Valve

Zoro # G7330788
Mfr # 6SDX12-LTBS-P2/5
product price: 
$1,051.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 4", CPVC/EPDM, Flanged TC2400FE
Hayward Flow Control

Check Valve, True Union, Ball, 4", CPVC/EPDM, Flanged

Zoro # G2756521
Mfr # TC2400FE
product price: 
$1,601.99
/ea
Hayward Flow Control Wafer Check Valve, WCV Series, 2-1/2 in, Flange x Flange, Swing, PVC Body WCV1250V
Hayward Flow Control

Wafer Check Valve, WCV Series, 2-1/2 in, Flange x Flange, Swing, PVC Body

Zoro # G4998043
Mfr # WCV1250V
product price: 
$414.99
/ea
No Product Image Available
Parker

Check Valve Assembly, Swing, In-Line, 3/8 in FNPT x 3/8 in MNPT, Aluminum

Zoro # G716246089
Mfr # 2650
product price: 
$57.53
/ea
Legend Valve Check Valve, In-Line, T-450, 1/2 in, FNPT x FNPT, Bronze 105-423NL
Legend Valve

Check Valve, In-Line, T-450, 1/2 in, FNPT x FNPT, Bronze

Zoro # G1786078
Mfr # 105-423NL
product price: 
$17.89
/ea
Apollo Valves 1/2" Press Lead Free Bronze Swing Check Valve 61YLF203T1PR
Apollo Valves

1/2" Press Lead Free Bronze Swing Check Valve

Zoro # G4681564
Mfr # 61YLF203T1PR
product price: 
$105.99
/ea
Milwaukee Valve Swing Check Valve, 510T Series, 3/4 in, FNPT x FNPT, Bronze Body 510T 3/4
Milwaukee Valve

Swing Check Valve, 510T Series, 3/4 in, FNPT x FNPT, Bronze Body

Zoro # G2143793
Mfr # 510T 3/4
product price: 
$94.18
/ea
Watts Check Valve, Inline Ball, 1/2 in, CTS x CTS Push, Polysulfone Body, 3-5/16 in 3540-10
Watts

Check Valve, Inline Ball, 1/2 in, CTS x CTS Push, Polysulfone Body, 3-5/16 in

Zoro # G2781064
Mfr # 3540-10
product price: 
$17.45
/ea
Sold in mult. of 5 for $87.25
Zoro Select 1/4" FNPT Brass Poppet Spring Check Valve CHK BRS 450-4F4F-B
Zoro Select

1/4" FNPT Brass Poppet Spring Check Valve

Zoro # G1580521
Mfr # CHK BRS 450-4F4F-B
product price: 
$21.19
/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
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
Bonomi 2" NPT Brass Spring Check Valve 100012LF-2"
Bonomi

2" NPT Brass Spring Check Valve

Zoro # G2011409
Mfr # 100012LF-2"
product price: 
$82.89
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3", PVC/EPDM, Threaded TC1300TE
Hayward Flow Control

Check Valve, True Union, Ball, 3", PVC/EPDM, Threaded

Zoro # G1499793
Mfr # TC1300TE
product price: 
$408.99
/ea
Zoro Select Check Valve, H021N01 Series, 3/8 in FNPT x FNPT, Inline Spring Piston, 316 Stainless Steel 06H021N01038
Zoro Select

Check Valve, H021N01 Series, 3/8 in FNPT x FNPT, Inline Spring Piston, 316 Stainless Steel

Zoro # G905657344
Mfr # 06H021N01038
product price: 
$21.89
/ea
Zoro Select 1/4" MNPT Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4M4M-F
Zoro Select

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

Zoro # G0333487
Mfr # PVC CHK 426-4M4M-F
product price: 
$19.19
/ea
Zoro Select 3/8" FNPT Ball Cone Spring Check Valve FP CHK 693-6F6F-B
Zoro Select

3/8" FNPT Ball Cone Spring Check Valve

Zoro # G2882056
Mfr # FP CHK 693-6F6F-B
product price: 
$16.59
/ea
Milwaukee Valve 2 in IPT Low Lead Bronze Swing Check Valve UP509 2
Milwaukee Valve

2 in IPT Low Lead Bronze Swing Check Valve

Zoro # G3118534
Mfr # UP509 2
product price: 
$270.99
/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
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
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
Zoeller Check Valve with Union, Inline Swing, 1 1/2 in, Solvent Weld x Solvent Weld, PVC, 11 in 30-0102
Zoeller

Check Valve with Union, Inline Swing, 1 1/2 in, Solvent Weld x Solvent Weld, PVC, 11 in

Zoro # G2860331
Mfr # 30-0102
product price: 
$33.75
/ea
Plast-O-Matic 1/2" FNPT Polypropylene Disc Check Valve CKD050V-PP
Plast-O-Matic

1/2" FNPT Polypropylene Disc Check Valve

Zoro # G3956145
Mfr # CKD050V-PP
product price: 
$207.99
/ea
Bonomi 1-1/4" NPT Brass Spring Check Valve 100012LF-1-1/4"
Bonomi

1-1/4" NPT Brass Spring Check Valve

Zoro # G2011427
Mfr # 100012LF-1-1/4"
product price: 
$39.95
/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
Mueller Industries Check Valve, 5 3/16 in L, Copper, 800 psi A 17937
Mueller Industries

Check Valve, 5 3/16 in L, Copper, 800 psi

Zoro # G309944279
Mfr # A 17937
product price: 
$60.69
/ea
Zoro Select Swing Check Valve, SC Series, 3 in, Flange x Flange, Inline Swing, PVC Body, 10-1/4 in SCOV110
Zoro Select

Swing Check Valve, SC Series, 3 in, Flange x Flange, Inline Swing, PVC Body, 10-1/4 in

Zoro # G2358221
Mfr # SCOV110
product price: 
$939.99
/ea
Milwaukee Valve 4" Flanged Cast Steel Swing Check Valve 1570 CB2 4"
Milwaukee Valve

4" Flanged Cast Steel Swing Check Valve

Zoro # G2957464
Mfr # 1570 CB2 4"
product price: 
$917.99
/ea
Parker Check Valve, CV-1 Series, 1/4 in, FNPT x FNPT, Inline, PTFE Body CV-1-1144
Parker

Check Valve, CV-1 Series, 1/4 in, FNPT x FNPT, Inline, PTFE Body

Zoro # G1494552
Mfr # CV-1-1144
product price: 
$460.99
/ea
Check Valves (3,500+ items) - Page 17
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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
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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