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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 37

Legend Valve Check Valve, Y-Pattern, 1/2 in, Sweat x Sweat, Bronze 105-403
Legend Valve

Check Valve, Y-Pattern, 1/2 in, Sweat x Sweat, Bronze

Zoro # G1785746
Mfr # 105-403
product price: 
$20.15
/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: 
$702.99
/ea
Keckley 3" Globe Check Valve, Max. Pressure: 275 psi at 100 Degrees F 3CG2R-36-36336
Keckley

3" Globe Check Valve, Max. Pressure: 275 psi at 100 Degrees F

Zoro # G3819529
Mfr # 3CG2R-36-36336
product price: 
$1,872.99
/ea
Chicago Valves And Controls Swing Check Valve, 12 in, Class 150, Flanged, Cast Steel 41411120
Chicago Valves And Controls

Swing Check Valve, 12 in, Class 150, Flanged, Cast Steel

Zoro # G9156641
Mfr # 41411120
product price: 
$3,397.99
/ea
Sharpe 2" FNPT Carbon Steel Oil Patch Swing Check Valve 4353013720
Sharpe

2" FNPT Carbon Steel Oil Patch Swing Check Valve

Zoro # G5032605
Mfr # 4353013720
product price: 
$188.99
/ea
Milwaukee Valve 2" Threaded Low Lead Bronze Spring Check Valve UP548T 2
Milwaukee Valve

2" Threaded Low Lead Bronze Spring Check Valve

Zoro # G0771687
Mfr # UP548T 2
product price: 
$192.99
/ea
Superior Pump Check Valve, 112 x 114 in, MPT x Barb, ABS Body 99507/SC125B
Superior Pump

Check Valve, 112 x 114 in, MPT x Barb, ABS Body

Zoro # G707460852
Mfr # 99507/SC125B
product price: 
$11.39
/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
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
Watts Check Valve, Maxiflo LF600, 1/2 in, Lead-Free 0555175
Watts

Check Valve, Maxiflo LF600, 1/2 in, Lead-Free

Zoro # G109982129
Mfr # 0555175
product price: 
$123.99
/ea
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
Anchor Fluid Power Check Valve, 3/8 in NPTF Threaded, Carbon Steel Plated, 7 psi Cracking Pressure CN3/8-1-7
Anchor Fluid Power

Check Valve, 3/8 in NPTF Threaded, Carbon Steel Plated, 7 psi Cracking Pressure

Zoro # G802014455
Mfr # CN3/8-1-7
product price: 
$49.19
/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-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
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
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
Legend Valve Foot Valve Screen, PVC, 1-1/2 in, T/S-655 201-297
Legend Valve

Foot Valve Screen, PVC, 1-1/2 in, T/S-655

Zoro # G1787800
Mfr # 201-297
product price: 
$36.15
/ea
Apollo Valves 3/4" NPT Lead Free Bronze Dual Check Valve 4NLF3A44B
Apollo Valves

3/4" NPT Lead Free Bronze Dual Check Valve

Zoro # G5298711
Mfr # 4NLF3A44B
product price: 
$191.99
/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
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
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
Legend Valve True Union Check Valve, Solvent x Solvent, 2 in, PVC 203-248
Legend Valve

True Union Check Valve, Solvent x Solvent, 2 in, PVC

Zoro # G2836455
Mfr # 203-248
product price: 
$39.89
/ea
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
Hayward Flow Control Check Valve, SW Series, Swing, 3 in, Flanged, Inline, PVC Body SW1300E
Hayward Flow Control

Check Valve, SW Series, Swing, 3 in, Flanged, Inline, PVC Body

Zoro # G507963591
Mfr # SW1300E
product price: 
$1,280.99
/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
B & K Swing Check Valve, 1-1/4 in FIP x 1-1/4 in FIP, Brass 240-2-114
B & K

Swing Check Valve, 1-1/4 in FIP x 1-1/4 in FIP, Brass

Zoro # G8634940
Mfr # 240-2-114
product price: 
$32.49
/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
Flint & Walling Check Valve, Slip Connection, PVC, 2 in Pipe Size 1030-0250
Flint & Walling

Check Valve, Slip Connection, PVC, 2 in Pipe Size

Zoro # G207370125
Mfr # 1030-0250
product price: 
$43.95
/ea
Sold in mult. of 4 for $175.80
Champion 4" Flanged Carbon Steel Wafer Check Valve 4SD15-CSBS-R
Champion

4" Flanged Carbon Steel Wafer Check Valve

Zoro # G7344587
Mfr # 4SD15-CSBS-R
product price: 
$434.99
/ea
Milwaukee Valve 3/8" Threaded Low Lead Bronze Spring Check Valve UP548T 3/8
Milwaukee Valve

3/8" Threaded Low Lead Bronze Spring Check Valve

Zoro # G2119573
Mfr # UP548T 3/8
product price: 
$48.59
/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
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

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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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