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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 43

Zoro Select Check Valve, 1-1/4 in Pipe Size, Threaded, 316 Stainless Steel, 200 PSI 4373002150
Zoro Select

Check Valve, 1-1/4 in Pipe Size, Threaded, 316 Stainless Steel, 200 PSI

Zoro # G1461883
Mfr # 4373002150
product price: 
$158.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 2-1/2", PVC/EPDM, Threaded TC1250TE
Hayward Flow Control

Check Valve, True Union, Ball, 2-1/2", PVC/EPDM, Threaded

Zoro # G2849847
Mfr # TC1250TE
product price: 
$393.99
/ea
Camozzi Series 2 Check Valve, 3/2 NC, Push-In, 5/32 in OD Tube, Mechanical, Spring Return 234-945
Camozzi

Series 2 Check Valve, 3/2 NC, Push-In, 5/32 in OD Tube, Mechanical, Spring Return

Zoro # G906693181
Mfr # 234-945
product price: 
$54.45
/ea
Asahi 2" Flanged Ball Check Valve, Max. Pressure: 150 psi 1212020
Asahi

2" Flanged Ball Check Valve, Max. Pressure: 150 psi

Zoro # G6193807
Mfr # 1212020
product price: 
$264.99
/ea
Sloan Check Valve Kit, ETF-470A 3365001
Sloan

Check Valve Kit, ETF-470A

Zoro # G4494175
Mfr # 3365001
product price: 
$49.75
/ea
Wilkins In-Line Single Check Valve, 300 Series Stainless Steel Spring, 3 in H x 2 in L x 2 in W 1-40XL2
Wilkins

In-Line Single Check Valve, 300 Series Stainless Steel Spring, 3 in H x 2 in L x 2 in W

Zoro # G8667749
Mfr # 1-40XL2
product price: 
$207.99
/ea
Star Water Systems Sump Pump Check Valve, Universal, PVC, 8.75 in 148155
Star Water Systems

Sump Pump Check Valve, Universal, PVC, 8.75 in

Zoro # G915718493
Mfr # 148155
product price: 
$19.99
/ea
T&S Brass Check Valve Adaptor, 1/2 in BSP Male x Female 010321-45
T&S Brass

Check Valve Adaptor, 1/2 in BSP Male x Female

Zoro # G415773558
Mfr # 010321-45
product price: 
$35.89
/ea
Water Source Foot Check Valve, Combination, Plastic, 3/4 in 645846
Water Source

Foot Check Valve, Combination, Plastic, 3/4 in

Zoro # G004087370
Mfr # 645846
product price: 
$37.29
/ea
Ez-Fluid Swing Check Valve, Threaded, Brass Body, 3/4 in EZSCT34
Ez-Fluid

Swing Check Valve, Threaded, Brass Body, 3/4 in

Zoro # G413120934
Mfr # EZSCT34
product price: 
$18.39
/ea
Aqua Pro Backflow Prevention Check Valve, 1/2 in x 1/2 in, Male, Lead Free AQP-20818
Aqua Pro

Backflow Prevention Check Valve, 1/2 in x 1/2 in, Male, Lead Free

Zoro # G110528576
Mfr # AQP-20818
product price: 
$26.99
/ea
Dixon 1" FNPT Stainless Steel Ball Cone Check Valve 62-105
Dixon

1" FNPT Stainless Steel Ball Cone Check Valve

Zoro # G6553340
Mfr # 62-105
product price: 
$325.99
/ea
Ssi 2-1/2" Wafer Flange Stainless Steel Double Disc Check Valve 0250-600WTTTM-T
Ssi

2-1/2" Wafer Flange Stainless Steel Double Disc Check Valve

Zoro # G1566774
Mfr # 0250-600WTTTM-T
product price: 
$577.99
/ea
Wheeler-Rex Check Valve Set (4 PK) 276698-REX
Wheeler-Rex

Check Valve Set (4 PK)

Zoro # G911899110
Mfr # 276698-REX
product price: 
$170.99
/ea
Everflow Check Valve, Inline, Spring Loaded, Press x Press, Cast Brass, 1-1/2 in 150R112-NL
Everflow

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

Zoro # G701106886
Mfr # 150R112-NL
product price: 
$85.79
/ea
Champion 6" Flanged Carbon Steel Wafer Check Valve 6SD15-CSBS-R
Champion

6" Flanged Carbon Steel Wafer Check Valve

Zoro # G7344675
Mfr # 6SD15-CSBS-R
product price: 
$731.99
/ea
Asahi 1-1/2" Flanged Ball Check Valve, Material of Construction: PVC 1215015
Asahi

1-1/2" Flanged Ball Check Valve, Material of Construction: PVC

Zoro # G6193883
Mfr # 1215015
product price: 
$250.99
/ea
Asahi 1-1/2" Flanged Ball Check Valve, Width: 5" 1212015
Asahi

1-1/2" Flanged Ball Check Valve, Width: 5"

Zoro # G6193761
Mfr # 1212015
product price: 
$189.99
/ea
Ham-Let Instrumentation Check Valve, H400-HP Series, Inline Spring, Let-Lok x Let-Lok, 8 mm, 1 psi H-400HP-SS-L-8MM1PSI
Ham-Let

Instrumentation Check Valve, H400-HP Series, Inline Spring, Let-Lok x Let-Lok, 8 mm, 1 psi

Zoro # G508789572
Mfr # H-400HP-SS-L-8MM1PSI
product price: 
$136.99
/ea
Sharpe Check Valve, 2483 Series, Piston, Inline, 1/4 in NPSM Female x Female, Carbon Steel 4371001490
Sharpe

Check Valve, 2483 Series, Piston, Inline, 1/4 in NPSM Female x Female, Carbon Steel

Zoro # G408258826
Mfr # 4371001490
product price: 
$68.99
/ea
Water Source PCV100 1 in. Plastic Spring Loaded Check Valve 645812
Water Source

PCV100 1 in. Plastic Spring Loaded Check Valve

Zoro # G410528580
Mfr # 645812
product price: 
$54.35
/ea
Keckley 2-1/2" Carbon Steel Wafer Check Valve DD2R-CS-361IX-250
Keckley

2-1/2" Carbon Steel Wafer Check Valve

Zoro # G1612515
Mfr # DD2R-CS-361IX-250
product price: 
$372.99
/ea
Champion 12" Flanged Ductile Iron Spring Lever Wafer Check Valve 12SDX12-LTBS-P3/6
Champion

12" Flanged Ductile Iron Spring Lever Wafer Check Valve

Zoro # G7330806
Mfr # 12SDX12-LTBS-P3/6
product price: 
$2,526.99
/ea
Dixon 1" Brass Safety Check Valve, Connection Type: NPT SCVS8
Dixon

1" Brass Safety Check Valve, Connection Type: NPT

Zoro # G6554031
Mfr # SCVS8
product price: 
$106.99
/ea
Asahi 1" Flanged PVC Swing Check Valve 1206010
Asahi

1" Flanged PVC Swing Check Valve

Zoro # G6199608
Mfr # 1206010
product price: 
$675.99
/ea
Champion 12" Flanged Stainless Steel Wafer Check Valve 12SDS15-SSP-R
Champion

12" Flanged Stainless Steel Wafer Check Valve

Zoro # G7344340
Mfr # 12SDS15-SSP-R
product price: 
$2,736.99
/ea
Asahi 4" PVC Spring Wafer Check Valve, Max. Pressure: 150 psi 111206040
Asahi

4" PVC Spring Wafer Check Valve, Max. Pressure: 150 psi

Zoro # G6196071
Mfr # 111206040
product price: 
$1,326.99
/ea
Jomar Valve Y-Pattern Check Valve, Solder Connection, Bronze Body, 2-1/2 in Pipe Size S-511
Jomar Valve

Y-Pattern Check Valve, Solder Connection, Bronze Body, 2-1/2 in Pipe Size

Zoro # G7059879
Mfr # S-511
product price: 
$518.99
/ea
Water Source Foot and Check Valve, Combination, Plastic, 1 in Pipe Size 645853
Water Source

Foot and Check Valve, Combination, Plastic, 1 in Pipe Size

Zoro # G804087518
Mfr # 645853
product price: 
$43.35
/ea
Jomar Valve 1-1/2" NPT Lead Free Bronze Y Check Valve T-511G
Jomar Valve

1-1/2" NPT Lead Free Bronze Y Check Valve

Zoro # G7153861
Mfr # T-511G
product price: 
$192.99
/ea
Asahi Swing Check Valve, 8 in Pipe Size, Flanged, PP Body, FKM Seal 1207080
Asahi

Swing Check Valve, 8 in Pipe Size, Flanged, PP Body, FKM Seal

Zoro # G713788063
Mfr # 1207080
product price: 
$11,339.99
/ea
Hoke Check Valve, CVH Series, 1 in FNPT x 1 in FNPT, 316 Stainless Steel, Viton Seal CVHF16Y21S
Hoke

Check Valve, CVH Series, 1 in FNPT x 1 in FNPT, 316 Stainless Steel, Viton Seal

Zoro # G816507196
Mfr # CVHF16Y21S
product price: 
$1,146.99
/ea
Milwaukee Valve 1-1/4" Solder Bronze Swing Y Check Valve 1509Y 1 1/4"
Milwaukee Valve

1-1/4" Solder Bronze Swing Y Check Valve

Zoro # G3995083
Mfr # 1509Y 1 1/4"
product price: 
$216.99
/ea
Hayward Flow Control Y-Check Valve, True Union, 2", CPVC/EPDM, Socket YC20200SEU
Hayward Flow Control

Y-Check Valve, True Union, 2", CPVC/EPDM, Socket

Zoro # G6920471
Mfr # YC20200SEU
product price: 
$996.99
/ea
Watts Check Valve, 1-1/2 in Tube Size, Female Threaded, Fiberglass Body 88005311
Watts

Check Valve, 1-1/2 in Tube Size, Female Threaded, Fiberglass Body

Zoro # G012482976
Mfr # 88005311
product price: 
$57.29
/ea
Chicago Valves And Controls Swing Check Valve, 6 in Pipe Size, Class 150, Flanged, Cast Steel WCB 41611060
Chicago Valves And Controls

Swing Check Valve, 6 in Pipe Size, Class 150, Flanged, Cast Steel WCB

Zoro # G9160467
Mfr # 41611060
product price: 
$3,359.99
/ea
Check Valves (3,500+ items) - Page 43
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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
Stainless Steel Pipe FittingsBlack Pipe FittingsBrass Pipe FittingsCamlock FittingsPush-to-Connect Tube 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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