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  1. Home
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  5. Pipes, Valves & Fittings
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  9. Check Valves

Check Valves (3,500+ items) - Page 36

Magic Plastics 1.5 x 1.5 Union in. lnline Check Valve Assembly - Clear 0823-15C
Magic Plastics

1.5 x 1.5 Union in. lnline Check Valve Assembly - Clear

Zoro # G710528563
Mfr # 0823-15C
product price: 
$61.99
/ea
Pentair Flotec Check Valve, Threaded, PVC Body FP0026-6D-P2
Pentair Flotec

Check Valve, Threaded, PVC Body

Zoro # G213754780
Mfr # FP0026-6D-P2
product price: 
$18.75
/ea
Legend Valve Check Valve, S-451, 2 in, Sweat x Sweat, Brass Body 105-208NL
Legend Valve

Check Valve, S-451, 2 in, Sweat x Sweat, Brass Body

Zoro # G1799518
Mfr # 105-208NL
product price: 
$77.49
/ea
Chicago Valves And Controls Piston Check Valve, 1-1/4 in Pipe Size, FNPT, Class 800, Stainless Steel P486TE012
Chicago Valves And Controls

Piston Check Valve, 1-1/4 in Pipe Size, FNPT, Class 800, Stainless Steel

Zoro # G9155409
Mfr # P486TE012
product price: 
$501.99
/ea
Legend Valve Check Valve, Wafer, 4 in, T-312, Ductile Iron Body, SS316 Disc 116-234
Legend Valve

Check Valve, Wafer, 4 in, T-312, Ductile Iron Body, SS316 Disc

Zoro # G1853567
Mfr # 116-234
product price: 
$129.99
/ea
Keckley 2" Globe Check Valve, Length: 6-3/4" 2CG3R-CI-B2334
Keckley

2" Globe Check Valve, Length: 6-3/4"

Zoro # G3819678
Mfr # 2CG3R-CI-B2334
product price: 
$371.99
/ea
Resideo Service Check Valve SCV-050
Resideo

Service Check Valve

Zoro # G510473957
Mfr # SCV-050
product price: 
$25.89
/ea
Pumpspy Silent Threaded Check Valve 1-1/2 CV-150T
Pumpspy

Silent Threaded Check Valve 1-1/2

Zoro # G009944265
Mfr # CV-150T
product price: 
$19.39
/ea
Ham-Let Instrumentation Check Valve, H400-HP Series, Inline Spring, 8 mm Let-Lok x Let-Lok, 10 psi H-400HP-SS-L-8MM10PSI
Ham-Let

Instrumentation Check Valve, H400-HP Series, Inline Spring, 8 mm Let-Lok x Let-Lok, 10 psi

Zoro # G808789593
Mfr # H-400HP-SS-L-8MM10PSI
product price: 
$127.99
/ea
Midland Industries Lift Check Valve, In-Line, 1/2 in FNPT, Forged Brass 944430
Midland Industries

Lift Check Valve, In-Line, 1/2 in FNPT, Forged Brass

Zoro # G721700538
Mfr # 944430
product price: 
$27.89
/ea
Midland Industries Check Valve, Lift Inline, 1/4 in FNPT, Forged Brass 944428
Midland Industries

Check Valve, Lift Inline, 1/4 in FNPT, Forged Brass

Zoro # G321698976
Mfr # 944428
product price: 
$34.79
/ea
Eat-In Quiet Union Check Valve, White, 1.5 in Inlet, 40 psi, 130 deg EA3526570
Eat-In

Quiet Union Check Valve, White, 1.5 in Inlet, 40 psi, 130 deg

Zoro # G111957580
Mfr # EA3526570
product price: 
$55.69
/ea
Track Usa Check Valve, Spring Style, 1/4 in, Clear TR3323722
Track Usa

Check Valve, Spring Style, 1/4 in, Clear

Zoro # G211926936
Mfr # TR3323722
product price: 
$46.75
/ea
Midland Industries Check Valve, Lift, In-Line, 3/8 in FNPT, Forged Brass 944429
Midland Industries

Check Valve, Lift, In-Line, 3/8 in FNPT, Forged Brass

Zoro # G121699043
Mfr # 944429
product price: 
$47.19
/ea
Everflow Inline Spring Loaded Check Valve, 2 in FIP, Cast Brass 150T200-NL
Everflow

Inline Spring Loaded Check Valve, 2 in FIP, Cast Brass

Zoro # G001106890
Mfr # 150T200-NL
product price: 
$113.99
/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
Legend Valve Check Valve, T-451, 1-1/2 in, FNPT x FNPT, Brass 105-107NL
Legend Valve

Check Valve, T-451, 1-1/2 in, FNPT x FNPT, Brass

Zoro # G1786498
Mfr # 105-107NL
product price: 
$62.95
/ea
Legend Valve Ball Check Valve, T-655 Series, PVC, FNPT x FNPT, 3/4 in 201-274
Legend Valve

Ball Check Valve, T-655 Series, PVC, FNPT x FNPT, 3/4 in

Zoro # G1803264
Mfr # 201-274
product price: 
$27.79
/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
Val-Matic 2-1/2" Flanged Cast Iron Silent Check Valve 1825A-DSY
Val-Matic

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

Zoro # G2679004
Mfr # 1825A-DSY
product price: 
$683.99
/ea
Ham-Let Instrumentation Check Valve, H400 Series, Inline Spring, 3/8 in Let-Lok x Let-Lok, 316 SS, 1 psi H-400-SS-L-3/8-1PSI
Ham-Let

Instrumentation Check Valve, H400 Series, Inline Spring, 3/8 in Let-Lok x Let-Lok, 316 SS, 1 psi

Zoro # G108258829
Mfr # H-400-SS-L-3/8-1PSI
product price: 
$150.99
/ea
Zoro Select 1/8" Barb White Nylon Ball Cone Spring Check Valve WN CHK 695-2B2B-B
Zoro Select

1/8" Barb White Nylon Ball Cone Spring Check Valve

Zoro # G1599814
Mfr # WN CHK 695-2B2B-B
product price: 
$7.99
/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
Gruvlok Check Valve, 7800 Series, Swing, Inline Wafer, Ductile Iron, 6 5/8 in Grooved 2200750111
Gruvlok

Check Valve, 7800 Series, Swing, Inline Wafer, Ductile Iron, 6 5/8 in Grooved

Zoro # G900716060
Mfr # 2200750111
product price: 
$1,541.99
/ea
Sharpe Check Valve, Series 25, Swing, 2 1/2 in, Flanged x Flanged, Carbon Steel Body 4371002010
Sharpe

Check Valve, Series 25, Swing, 2 1/2 in, Flanged x Flanged, Carbon Steel Body

Zoro # G108258973
Mfr # 4371002010
product price: 
$300.99
/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
Everflow Check Valve, Inline Spring Loaded, FIP Connection, Cast Brass Body, 1/2 in 150T012-NL
Everflow

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

Zoro # G101106882
Mfr # 150T012-NL
product price: 
$16.65
/ea
Legend Valve Check Valve, T-451 Series, Brass Body, FNPT x FNPT, 3/4 in 105-104
Legend Valve

Check Valve, T-451 Series, Brass Body, FNPT x FNPT, 3/4 in

Zoro # G1804558
Mfr # 105-104
product price: 
$15.15
/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
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
Milton In-Line Check Valve, 1/4 in FNPT MIS-1093-4
Milton

In-Line Check Valve, 1/4 in FNPT

Zoro # G202128448
Mfr # MIS-1093-4
product price: 
$40.89
/ea
Legend Valve In-Line Check Valve, S-455 Series, 1-1/2 in, Sweat x Sweat, Bronze 105-467
Legend Valve

In-Line Check Valve, S-455 Series, 1-1/2 in, Sweat x Sweat, Bronze

Zoro # G1775736
Mfr # 105-467
product price: 
$76.95
/ea
Everflow Inline Spring Loaded Check Valve, 1 in, Cast Brass 150C100-NL
Everflow

Inline Spring Loaded Check Valve, 1 in, Cast Brass

Zoro # G201106881
Mfr # 150C100-NL
product price: 
$26.49
/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
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
Check Valves (3,500+ items) - Page 36
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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
1/2" swing check valves1" brass check valves1/2 inch check valves1-1/2" swing check valves1/2" brass check valves
2" flanged check valves4" wafer check valves1/2" pvc check valves2" pvc check valves3" brass check valves

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