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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 53

B & K Swing Chck Vlv 1-1/12" AWSC 150BLK
B & K

Swing Chck Vlv 1-1/12"

Zoro # G7702743
Mfr # AWSC 150BLK
product price: 
$6.49
/ea
Sold in mult. of 2 for $12.98
B & K Campbell 1-1/4 in. D X 1-1/4 in. D FNPT x FNPT Red Brass Spring Loaded Check Valve CV-5TLF
B & K

Campbell 1-1/4 in. D X 1-1/4 in. D FNPT x FNPT Red Brass Spring Loaded Check Valve

Zoro # G7700372
Mfr # CV-5TLF
product price: 
$64.85
/ea
Mueller Spring Loaded Check Valve, 3/4 in x 3/4 in, Brass 101-304NL
Mueller

Spring Loaded Check Valve, 3/4 in x 3/4 in, Brass

Zoro # G724148450
Mfr # 101-304NL
product price: 
$43.45
/ea
Midland Industries Check Valve, High Pressure, 1/4 x 1/4 in, MIP x FIP, Brass 46505
Midland Industries

Check Valve, High Pressure, 1/4 x 1/4 in, MIP x FIP, Brass

Zoro # G821698377
Mfr # 46505
product price: 
$27.49
/ea
Midland Industries Lift Check Valve, Inline, 2 in Pipe Size, FNPT, Forged Brass 944435
Midland Industries

Lift Check Valve, Inline, 2 in Pipe Size, FNPT, Forged Brass

Zoro # G721700408
Mfr # 944435
product price: 
$176.53
/ea
Strike3 Serviceable Check Valve, Thread-On, 2 Socket x 2-1/2 in Spigot, Black CPVC (12 PK) ST2112507
Strike3

Serviceable Check Valve, Thread-On, 2 Socket x 2-1/2 in Spigot, Black CPVC (12 PK)

Zoro # G811857623
Mfr # ST2112507
product price: 
$85.99
/pk 12, $7.17/ea
Bookazine P23402LFVP 0.5 In. Check Valve TI3027231
Bookazine

P23402LFVP 0.5 In. Check Valve

Zoro # G812008444
Mfr # TI3027231
product price: 
$55.65
/ea
Firomatic Check Valve, Soft Seat, 1/2 in IPS B200HCV
Firomatic

Check Valve, Soft Seat, 1/2 in IPS

Zoro # G7027028
Mfr # B200HCV
product price: 
$99.69
/ea
Craftsman Check Valve, ABS, 1-1/4 in or 1-1/2 in CMXWUSDCV69502
Craftsman

Check Valve, ABS, 1-1/4 in or 1-1/2 in

Zoro # G624150829
Mfr # CMXWUSDCV69502
product price: 
$20.79
/ea
Eat-In Check Valve, Slip x Slip, Plastic, 1-1/4 x 1-1/4 x 1-1/2 in EA3307283
Eat-In

Check Valve, Slip x Slip, Plastic, 1-1/4 x 1-1/4 x 1-1/2 in

Zoro # G611957257
Mfr # EA3307283
product price: 
$60.79
/ea
Hella Air/Pump Check Valve 7.01318.20.0
Hella

Air/Pump Check Valve

Zoro # G6856450
Mfr # 7.01318.20.0
product price: 
$145.99
/ea
Everflow Check Valve, Inline Spring Loaded, Press, Cast Brass, 1-1/4 in 150R114-NL
Everflow

Check Valve, Inline Spring Loaded, Press, Cast Brass, 1-1/4 in

Zoro # G701106916
Mfr # 150R114-NL
product price: 
$56.39
/ea
Everflow Inline Spring Loaded Check Valve, Cast Brass, 1-1/4 in SWT 150C114-NL
Everflow

Inline Spring Loaded Check Valve, Cast Brass, 1-1/4 in SWT

Zoro # G601106887
Mfr # 150C114-NL
product price: 
$46.39
/ea
Everflow Swing Check Valve, FIP, Cast Brass, 1/2 in 210T012-NL
Everflow

Swing Check Valve, FIP, Cast Brass, 1/2 in

Zoro # G701106909
Mfr # 210T012-NL
product price: 
$14.19
/ea
Dixon 2" FNPT Brass Horizontal Swing Check Valve SWCV200
Dixon

2" FNPT Brass Horizontal Swing Check Valve

Zoro # G6549341
Mfr # SWCV200
product price: 
$82.39
/ea
Thrifco Plumbing Check Valve, Swing, FIP Connection, Brass Body, 1-1/2 in 6415175
Thrifco Plumbing

Check Valve, Swing, FIP Connection, Brass Body, 1-1/2 in

Zoro # G609532169
Mfr # 6415175
product price: 
$63.15
/ea
Zoeller Quiet Check Valve, 1-1/2 in, Union Solvent Weld, PVC, White ZO299869
Zoeller

Quiet Check Valve, 1-1/2 in, Union Solvent Weld, PVC, White

Zoro # G611953426
Mfr # ZO299869
product price: 
$63.20
/ea
American Granby Swing Check Valve, PVC, 2 in Pipe Size PV152020
American Granby

Swing Check Valve, PVC, 2 in Pipe Size

Zoro # G503983104
Mfr # PV152020
product price: 
$93.19
/ea
Proline Series Check Valve, PVC, Schedule 40, Solvent, 1-1/4 in Pipe Size 101-606
Proline Series

Check Valve, PVC, Schedule 40, Solvent, 1-1/4 in Pipe Size

Zoro # G511360577
Mfr # 101-606
product price: 
$19.45
/ea
Sold in mult. of 2 for $38.90
Gourmetgalley Swing Check Valve, Threaded, 1 in, Chrome GO843873
Gourmetgalley

Swing Check Valve, Threaded, 1 in, Chrome

Zoro # G514916153
Mfr # GO843873
product price: 
$49.69
/ea
Campbell Check Valve, Threaded, Brass, 1/2 in MIP x 1/2 in MIP RHBSF2TLF
Campbell

Check Valve, Threaded, Brass, 1/2 in MIP x 1/2 in MIP

Zoro # G524150486
Mfr # RHBSF2TLF
product price: 
$15.85
/ea
Hayward Flow Control Y-Check Valve, Spring-Loaded, 1", PVC/FPM, Threaded, Adjustable 2-15 psi SLC10100T
Hayward Flow Control

Y-Check Valve, Spring-Loaded, 1", PVC/FPM, Threaded, Adjustable 2-15 psi

Zoro # G3269576
Mfr # SLC10100T
product price: 
$399.99
/ea
Defenseguard Spring Check Valve, 2 in FPT, 0.5 lb Opening Pressure DE53052
Defenseguard

Spring Check Valve, 2 in FPT, 0.5 lb Opening Pressure

Zoro # G310528550
Mfr # DE53052
product price: 
$81.15
/ea
Allstar Performance Overflow Check Valve, Flapper Style, 1.25 in Tube Size ALL40201
Allstar Performance

Overflow Check Valve, Flapper Style, 1.25 in Tube Size

Zoro # G416043742
Mfr # ALL40201
product price: 
$113.99
/ea
Tool Backflow Prevention Check Valve, Male, 1/2 in x 1/2 in (1 PK) TO652250
Tool

Backflow Prevention Check Valve, Male, 1/2 in x 1/2 in (1 PK)

Zoro # G414887584
Mfr # TO652250
product price: 
$28.75
/ea
Superjock Crankcase Evacuation System Check Valve SU371366
Superjock

Crankcase Evacuation System Check Valve

Zoro # G415799350
Mfr # SU371366
product price: 
$64.19
/ea
Proline Series In-Line Check Valve, 3/4 in Socket x 3/4 in Socket, PVC 101-604
Proline Series

In-Line Check Valve, 3/4 in Socket x 3/4 in Socket, PVC

Zoro # G221874579
Mfr # 101-604
product price: 
$5.19
/ea
Sold in mult. of 2 for $10.38
Homewerks Swing Check Valve, 1/2 in FIP x 1/2 in FIP, Brass 240-2-12
Homewerks

Swing Check Valve, 1/2 in FIP x 1/2 in FIP, Brass

Zoro # G216292708
Mfr # 240-2-12
product price: 
$14.69
/ea
Sta-Rite FP0026-10 Sump Pump Check Valve Kit 6269872
Sta-Rite

FP0026-10 Sump Pump Check Valve Kit

Zoro # G224190805
Mfr # 6269872
product price: 
$38.69
/ea
Legend Valve Check Valve, T-611, 3/4 in, FNPT x FNPT, Stainless Steel 203-104
Legend Valve

Check Valve, T-611, 3/4 in, FNPT x FNPT, Stainless Steel

Zoro # G1804880
Mfr # 203-104
product price: 
$7.45
/ea
Sold in mult. of 2 for $14.90
Absurdo 10 lbs Residual Check Valve AB2204370
Absurdo

10 lbs Residual Check Valve

Zoro # G215198506
Mfr # AB2204370
product price: 
$33.79
/ea
Everflow Swing Check Valve, FIP Connection, Cast Brass Body, 1-1/4 in 210T114-NL
Everflow

Swing Check Valve, FIP Connection, Cast Brass Body, 1-1/4 in

Zoro # G101106905
Mfr # 210T114-NL
product price: 
$30.69
/ea
Powerhouse Brass Check Valve 0.5 In. PO362893
Powerhouse

Brass Check Valve 0.5 In.

Zoro # G110528590
Mfr # PO362893
product price: 
$53.35
/ea
Overtime American Granby 1520-15 1.5 in. Socket Swing Check Valve Pvc 1.5 in. OV2771257
Overtime

American Granby 1520-15 1.5 in. Socket Swing Check Valve Pvc 1.5 in.

Zoro # G111857637
Mfr # OV2771257
product price: 
$87.49
/ea
Anchor Fluid Power Check Valve, 2 in Pipe Size, NPTF Threaded, Carbon Steel Plated, 65 psi Cracking Pressure CN2-1-65
Anchor Fluid Power

Check Valve, 2 in Pipe Size, NPTF Threaded, Carbon Steel Plated, 65 psi Cracking Pressure

Zoro # G002014149
Mfr # CN2-1-65
product price: 
$491.99
/ea
Everflow Inline Spring Loaded Check Valve, 1/2 in, Cast Brass 150C012-NL
Everflow

Inline Spring Loaded Check Valve, 1/2 in, Cast Brass

Zoro # G101106899
Mfr # 150C012-NL
product price: 
$17.15
/ea
Check Valves (3,500+ items) - Page 53
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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
3/4" swing check valves4" wafer check valves1-1/2" inline check valves3" brass check valves1" brass check valves
3/4 inch check valves1" cpvc unions2" pvc check valves1/4 inch check valves1-1/2" swing check valves

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