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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 34

Milwaukee Valve 5" Flanged Cast Iron Swing Check Valve 2974-M 5
Milwaukee Valve

5" Flanged Cast Iron Swing Check Valve

Zoro # G0799617
Mfr # 2974-M 5
product price: 
$970.99
/ea
Watts Dual Check Valve, 3/4 in Pipe Size LF7RU2-2
Watts

Dual Check Valve, 3/4 in Pipe Size

Zoro # G6075247
Mfr # LF7RU2-2
product price: 
$139.99
/ea
B & K Quiet Check Valve, Slip Connection, PVC, 1-1/2 in Pipe Size B-0821-15HC
B & K

Quiet Check Valve, Slip Connection, PVC, 1-1/2 in Pipe Size

Zoro # G7695664
Mfr # B-0821-15HC
product price: 
$35.29
/ea
Hayward Flow Control Y-Check Valve, True Union, Spring-Loaded, 3", PVC/FPM, Threaded, Adjustable 2-15 psi SLC10300TU
Hayward Flow Control

Y-Check Valve, True Union, Spring-Loaded, 3", PVC/FPM, Threaded, Adjustable 2-15 psi

Zoro # G6721906
Mfr # SLC10300TU
product price: 
$740.99
/ea
Champion 3" Flanged Carbon Steel Wafer Check Valve 3SD15-CSBS-R
Champion

3" Flanged Carbon Steel Wafer Check Valve

Zoro # G7344709
Mfr # 3SD15-CSBS-R
product price: 
$351.99
/ea
Legend Valve Check Valve, P451, Press x Press, 1-1/2 in 105-007NL
Legend Valve

Check Valve, P451, Press x Press, 1-1/2 in

Zoro # G1785770
Mfr # 105-007NL
product price: 
$107.99
/ea
Hayward Flow Control Y-Check Valve, 1-1/2", PVC/EPDM, Flanged YC10150FE
Hayward Flow Control

Y-Check Valve, 1-1/2", PVC/EPDM, Flanged

Zoro # G6419497
Mfr # YC10150FE
product price: 
$319.99
/ea
Everflow Sump Pump Check Valve, 1-1/2 x 1-1/4 in SPCV112
Everflow

Sump Pump Check Valve, 1-1/2 x 1-1/4 in

Zoro # G501106901
Mfr # SPCV112
product price: 
$19.75
/ea
Bonomi North America Check Valve, In-Line Spring Loaded, High Flow, Lead Free Brass, 2 in Pipe Size 100012LF-2
Bonomi North America

Check Valve, In-Line Spring Loaded, High Flow, Lead Free Brass, 2 in Pipe Size

Zoro # G211494190
Mfr # 100012LF-2
product price: 
$77.69
/ea
Discover Check Valve, Spring, 3-Piece, 1/2 in, FNPT x FNPT, 316 Stainless Steel 102750
Discover

Check Valve, Spring, 3-Piece, 1/2 in, FNPT x FNPT, 316 Stainless Steel

Zoro # G215879757
Mfr # 102750
product price: 
$14.99
/ea
Milwaukee Valve Swing Check Valve, 1509 Series, 2 in, Sweat x Sweat, Bronze Body 1509 2"
Milwaukee Valve

Swing Check Valve, 1509 Series, 2 in, Sweat x Sweat, Bronze Body

Zoro # G2581232
Mfr # 1509 2"
product price: 
$176.99
/ea
Smith-Cooper Swing Check Valve, Threaded, Forged Lead-Free Brass Body, 1/2 in Pipe Size 4347002810
Smith-Cooper

Swing Check Valve, Threaded, Forged Lead-Free Brass Body, 1/2 in Pipe Size

Zoro # G6775647
Mfr # 4347002810
product price: 
$8.65
/ea
Milwaukee Valve 1-1/2" Solder Bronze Swing Check Valve 1509 1-1/2"
Milwaukee Valve

1-1/2" Solder Bronze Swing Check Valve

Zoro # G2567083
Mfr # 1509 1-1/2"
product price: 
$116.99
/ea
Legend Valve Check Valve, S-611, 2 in, Solvent x Solvent, Stainless Steel 203-208
Legend Valve

Check Valve, S-611, 2 in, Solvent x Solvent, Stainless Steel

Zoro # G1801889
Mfr # 203-208
product price: 
$20.25
/ea
Dayton 1-1/2" Compression PVC Swing Check Valve 4RG88
Dayton

1-1/2" Compression PVC Swing Check Valve

Zoro # G1323917
Mfr # 4RG88
product price: 
$74.19
/ea
Legend Valve Check Valve, T-312, Wafer, 6 in, Ductile Iron Body, Stainless Steel 316 Disc 116-236
Legend Valve

Check Valve, T-312, Wafer, 6 in, Ductile Iron Body, Stainless Steel 316 Disc

Zoro # G1842875
Mfr # 116-236
product price: 
$259.99
/ea
Zoro Select Check Valve, H021N01 Series, Inline Spring Piston, 1/4 in FNPT, 316 Stainless Steel 06H021N01014
Zoro Select

Check Valve, H021N01 Series, Inline Spring Piston, 1/4 in FNPT, 316 Stainless Steel

Zoro # G005657411
Mfr # 06H021N01014
product price: 
$21.89
/ea
Grundfos 3-Speed Circulator Pump, 1/25 hp UPS15-58FR
Grundfos

3-Speed Circulator Pump, 1/25 hp

Zoro # G6068256
Mfr # UPS15-58FR
product price: 
$245.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 2", PP/FPM, Threaded TC30200T
Hayward Flow Control

Check Valve, True Union, Ball, 2", PP/FPM, Threaded

Zoro # G1207324
Mfr # TC30200T
product price: 
$410.99
/ea
No Product Image Available
Keckley

3" Flanged Flanged Triple Duty Valve

Zoro # G3820210
Mfr # TDV-300
product price: 
$780.99
/ea
Eat-In Quiet Check Valve, PVC, 1.5 in, White EA3520228
Eat-In

Quiet Check Valve, PVC, 1.5 in, White

Zoro # G011957567
Mfr # EA3520228
product price: 
$88.55
/ea
Eat-In Check Valve, 1.5 in, Plastic Body, 40 psi EA3518609
Eat-In

Check Valve, 1.5 in, Plastic Body, 40 psi

Zoro # G011957451
Mfr # EA3518609
product price: 
$60.75
/ea
Chicago Valves And Controls Swing Check Valve, 10 in Pipe Size, Class 150, Flanged, Cast Steel WCB 41411100
Chicago Valves And Controls

Swing Check Valve, 10 in Pipe Size, Class 150, Flanged, Cast Steel WCB

Zoro # G9158802
Mfr # 41411100
product price: 
$2,199.95
/ea
Keckley 2" Globe Check Valve, Length: 6-11/16" 2CG4R-36-36336
Keckley

2" Globe Check Valve, Length: 6-11/16"

Zoro # G3819888
Mfr # 2CG4R-36-36336
product price: 
$1,805.99
/ea
Chicago Valves And Controls Swing Check Valve, 12 in Pipe Size, Class 150, Flanged, Cast Steel WCB 41611120
Chicago Valves And Controls

Swing Check Valve, 12 in Pipe Size, Class 150, Flanged, Cast Steel WCB

Zoro # G9158848
Mfr # 41611120
product price: 
$12,773.99
/ea
Chicago Valves And Controls Piston Check Valve, Class 800, 1-1/4 in Pipe Size, Socket Weld, Forged Steel P484SW012
Chicago Valves And Controls

Piston Check Valve, Class 800, 1-1/4 in Pipe Size, Socket Weld, Forged Steel

Zoro # G9157369
Mfr # P484SW012
product price: 
$82.90
/ea
Legend Valve Check Valve, T-312, Wafer, 2-1/2 in, Ductile Iron Body, SS316 116-232
Legend Valve

Check Valve, T-312, Wafer, 2-1/2 in, Ductile Iron Body, SS316

Zoro # G1801100
Mfr # 116-232
product price: 
$78.15
/ea
Keckley 2" Carbon Steel Wafer Check Valve DD2R-CS-361IX-200
Keckley

2" Carbon Steel Wafer Check Valve

Zoro # G1612086
Mfr # DD2R-CS-361IX-200
product price: 
$319.99
/ea
Anchor Fluid Power Check Valve, 1/4 in NPTF, Threaded, Carbon Steel Plated, 7 psi Cracking Pressure CN1/4-1-7
Anchor Fluid Power

Check Valve, 1/4 in NPTF, Threaded, Carbon Steel Plated, 7 psi Cracking Pressure

Zoro # G902014423
Mfr # CN1/4-1-7
product price: 
$46.29
/ea
Jomar Valve Y-Pattern Check Valve, Threaded, Bronze Body, 2 in Pipe Size T-511
Jomar Valve

Y-Pattern Check Valve, Threaded, Bronze Body, 2 in Pipe Size

Zoro # G7145525
Mfr # T-511
product price: 
$231.99
/ea
Champion 4" Flanged Stainless Steel Spring Check Valve 4SDX15-SSVS-R1/4
Champion

4" Flanged Stainless Steel Spring Check Valve

Zoro # G7331016
Mfr # 4SDX15-SSVS-R1/4
product price: 
$1,227.99
/ea
Liberty Pumps Check Valve, Compression, PVC Body, 3 in CV300C
Liberty Pumps

Check Valve, Compression, PVC Body, 3 in

Zoro # G910724444
Mfr # CV300C
product price: 
$206.99
/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
H2Flow Controls Flow Meter, Complete, Saline Applications, GPM Scale, 2 to 2-1/2 in FV-C-Saline
H2Flow Controls

Flow Meter, Complete, Saline Applications, GPM Scale, 2 to 2-1/2 in

Zoro # G303993143
Mfr # FV-C-Saline
product price: 
$259.99
/ea
Champion 8" Flanged Carbon Steel Wafer Check Valve 8SD15-CSBS-R
Champion

8" Flanged Carbon Steel Wafer Check Valve

Zoro # G7304431
Mfr # 8SD15-CSBS-R
product price: 
$1,012.99
/ea
Champion 6" Flanged Stainless Steel Wafer Check Valve 6SD15-SSBS-R
Champion

6" Flanged Stainless Steel Wafer Check Valve

Zoro # G7304459
Mfr # 6SD15-SSBS-R
product price: 
$867.99
/ea
Check Valves (3,500+ items) - Page 34
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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 ValvesRelief ValvesValve PartsPVC Pipe Fittings
Black Pipe FittingsStainless Steel Pipe FittingsBrass Pipe FittingsCamlock FittingsPush-to-Connect Tube Fittings
3/4" pvc check valves8" wafer check valves3" swing check valves4" foot valves4" wafer check valves
1/2" pvc check valves3" pvc check valves3/4" swing check valves3" brass check valves3" spring check valves

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