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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 18

Watts First Check Valve Repair Kit, Series 909, 2-1/2 in to 3 in Compatible Valve Size LFRK 909-CK1 2 1/2-3
Watts

First Check Valve Repair Kit, Series 909, 2-1/2 in to 3 in Compatible Valve Size

Zoro # G6230594
Mfr # LFRK 909-CK1 2 1/2-3
product price: 
$811.99
/ea
Dixon 1" FNPT Brass Spring Loaded Check Valve CV100
Dixon

1" FNPT Brass Spring Loaded Check Valve

Zoro # G6546526
Mfr # CV100
product price: 
$30.59
/ea
Dixon Safety Check Valve, 3/4 in Pipe Size, NPT, Brass Body SCVR6
Dixon

Safety Check Valve, 3/4 in Pipe Size, NPT, Brass Body

Zoro # G6555851
Mfr # SCVR6
product price: 
$107.99
/ea
Dixon 3" FNPT Brass Spring Loaded Check Valve CV300
Dixon

3" FNPT Brass Spring Loaded Check Valve

Zoro # G6546535
Mfr # CV300
product price: 
$262.99
/ea
Resideo Backflow Preventer, 1/2 in NPT FM911
Resideo

Backflow Preventer, 1/2 in NPT

Zoro # G509544972
Mfr # FM911
product price: 
$158.99
/ea
Jomar Valve Y-Pattern Check Valve, 1 1/4 in Pipe Size, Threaded, Bronze Body T-511
Jomar Valve

Y-Pattern Check Valve, 1 1/4 in Pipe Size, Threaded, Bronze Body

Zoro # G7142987
Mfr # T-511
product price: 
$94.39
/ea
Legend Valve Check Valve, T-457 Dual Check, 1 in, FNPT x FNPT, Brass 115-105NL
Legend Valve

Check Valve, T-457 Dual Check, 1 in, FNPT x FNPT, Brass

Zoro # G1775639
Mfr # 115-105NL
product price: 
$69.15
/ea
Chicago Valves And Controls Swing Check Valve, 3 in Pipe Size, Class 150, Flanged, Cast Steel 41411030
Chicago Valves And Controls

Swing Check Valve, 3 in Pipe Size, Class 150, Flanged, Cast Steel

Zoro # G9157201
Mfr # 41411030
product price: 
$383.99
/ea
Chicago Valves And Controls Swing Check Valve, 2 in Pipe Size, Class 150, Flanged, Stainless Steel 41611020
Chicago Valves And Controls

Swing Check Valve, 2 in Pipe Size, Class 150, Flanged, Stainless Steel

Zoro # G9158942
Mfr # 41611020
product price: 
$661.99
/ea
B & K Quiet Check Valve, Slip x Slip, 2 in Pipe Size, PVC B-0821-20H
B & K

Quiet Check Valve, Slip x Slip, 2 in Pipe Size, PVC

Zoro # G7696154
Mfr # B-0821-20H
product price: 
$37.25
/ea
Legend Valve Check Valve, Y-Pattern, T-453 NL, 3/4 in, FNPT x FNPT, Bronze 105-304NL
Legend Valve

Check Valve, Y-Pattern, T-453 NL, 3/4 in, FNPT x FNPT, Bronze

Zoro # G1854206
Mfr # 105-304NL
product price: 
$44.49
/ea
Everflow Swing Check Valve, Press Connection, Cast Brass Body, 2 in 400R002-NL
Everflow

Swing Check Valve, Press Connection, Cast Brass Body, 2 in

Zoro # G901106907
Mfr # 400R002-NL
product price: 
$135.99
/ea
Jomar Valve 2" NPT Lead Free Brass Spring Check Valve T-521G
Jomar Valve

2" NPT Lead Free Brass Spring Check Valve

Zoro # G7077099
Mfr # T-521G
product price: 
$131.99
/ea
Campbell Spring Loaded Check Valve, 1 in, Acetal Polymer SLC-100
Campbell

Spring Loaded Check Valve, 1 in, Acetal Polymer

Zoro # G421871453
Mfr # SLC-100
product price: 
$12.99
/ea
Caleffi Automatic Air Vent, 1/8 in MNPT 502710A
Caleffi

Automatic Air Vent, 1/8 in MNPT

Zoro # G6068247
Mfr # 502710A
product price: 
$18.85
/ea
American Valve True Union Ball Check Valve, Schedule 80 PVC, 1 in Pipe Size P460U 1''
American Valve

True Union Ball Check Valve, Schedule 80 PVC, 1 in Pipe Size

Zoro # G315189718
Mfr # P460U 1''
product price: 
$74.99
/ea
Campbell Foot & Check Valve, 1-1/4 in, Acetal Polymer SFV125
Campbell

Foot & Check Valve, 1-1/4 in, Acetal Polymer

Zoro # G021866446
Mfr # SFV125
product price: 
$21.99
/ea
Smith-Cooper Check Valve, 3/4 in Pipe Size, Threaded, 316 Stainless Steel Body, 200 WOG 4373002130
Smith-Cooper

Check Valve, 3/4 in Pipe Size, Threaded, 316 Stainless Steel Body, 200 WOG

Zoro # G1461728
Mfr # 4373002130
product price: 
$55.85
/ea
Legend Valve Check Valve, True Union, 1-1/2 in, Solvent Connection, PVC 203-247
Legend Valve

Check Valve, True Union, 1-1/2 in, Solvent Connection, PVC

Zoro # G2836227
Mfr # 203-247
product price: 
$29.79
/ea
Campbell Mfg Campbell 1 in. D X 1 in. D Red Brass Spring Loaded Check Valve CVB-4TLF
Campbell Mfg

Campbell 1 in. D X 1 in. D Red Brass Spring Loaded Check Valve

Zoro # G7700293
Mfr # CVB-4TLF
product price: 
$33.75
/ea
No Product Image Available
Leonard Valve

Check Stop Kit, 4/LVC

Zoro # G821672957
Mfr # KIT 4/LVC
product price: 
$81.74
/ea
Dayton 2" Socket PVC Ball Check Valve 4RG93
Dayton

2" Socket PVC Ball Check Valve

Zoro # G1429671
Mfr # 4RG93
product price: 
$221.99
/ea
Dayton 3" MNPT x FNPT Ductile Iron Spring Check Valve 4RK70
Dayton

3" MNPT x FNPT Ductile Iron Spring Check Valve

Zoro # G2192872
Mfr # 4RK70
product price: 
$387.99
/ea
Parker Check Valve, CV-1 Series, Inline, 1/2 in, FNPT x FNPT, PTFE Body CV-1-1188
Parker

Check Valve, CV-1 Series, Inline, 1/2 in, FNPT x FNPT, PTFE Body

Zoro # G0511436
Mfr # CV-1-1188
product price: 
$626.99
/ea
Milwaukee Valve 1" Threaded Low Lead Bronze Spring Check Valve UP548T 1
Milwaukee Valve

1" Threaded Low Lead Bronze Spring Check Valve

Zoro # G1608564
Mfr # UP548T 1
product price: 
$86.39
/ea
Gf Piping Systems 1-1/2" Spigot PVC Y Check Valve 192304010
Gf Piping Systems

1-1/2" Spigot PVC Y Check Valve

Zoro # G0547872
Mfr # 192304010
product price: 
$175.99
/ea
Keckley 4" Carbon Steel Wafer Check Valve DD2R-CS-361IX-400
Keckley

4" Carbon Steel Wafer Check Valve

Zoro # G1613221
Mfr # DD2R-CS-361IX-400
product price: 
$508.99
/ea
Zoro Select 1/4" FNPT x MNPT Brass Piston Spring Check Valve CHK BRS 410-4F4M-F
Zoro Select

1/4" FNPT x MNPT Brass Piston Spring Check Valve

Zoro # G0863222
Mfr # CHK BRS 410-4F4M-F
product price: 
$21.99
/ea
Hayward Flow Control Y-Check Valve, 1", PVC/FPM, Socket YC10100S
Hayward Flow Control

Y-Check Valve, 1", PVC/FPM, Socket

Zoro # G4998226
Mfr # YC10100S
product price: 
$192.99
/ea
Apollo Valves 1" Swivel x FNPT Lead Free Bronze Dual Check Valve 4NLF3S65A
Apollo Valves

1" Swivel x FNPT Lead Free Bronze Dual Check Valve

Zoro # G5151675
Mfr # 4NLF3S65A
product price: 
$172.99
/ea
Bonomi 4" NPT Brass Spring Check Valve 100012LF-4"
Bonomi

4" NPT Brass Spring Check Valve

Zoro # G2011375
Mfr # 100012LF-4"
product price: 
$392.99
/ea
Asahi Swing Check Valve, Inline, 2 in, Flange x Flange, PVC Body, EPDM Seat 1201020
Asahi

Swing Check Valve, Inline, 2 in, Flange x Flange, PVC Body, EPDM Seat

Zoro # G6162320
Mfr # 1201020
product price: 
$989.99
/ea
Zoro Select 1/4" FNPT Stainless Steel Piston Spring Check Valve CHK SST 415-4F4F-F
Zoro Select

1/4" FNPT Stainless Steel Piston Spring Check Valve

Zoro # G3238155
Mfr # CHK SST 415-4F4F-F
product price: 
$76.99
/ea
Everflow Swing Check Valve, FIP Connection, Cast Brass Body, 3 in Pipe Size 210T003-NL
Everflow

Swing Check Valve, FIP Connection, Cast Brass Body, 3 in Pipe Size

Zoro # G301106880
Mfr # 210T003-NL
product price: 
$189.99
/ea
Wilkins Dual Check Valve, Female NPT Union Inlet 12UFX12F-700XL
Wilkins

Dual Check Valve, Female NPT Union Inlet

Zoro # G7462605
Mfr # 12UFX12F-700XL
product price: 
$104.99
/ea
Proline Series Swing Check Valve, Brass Body, 1-1/2 in FIP x 1-1/2 in FIP 101-007NL
Proline Series

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

Zoro # G615377754
Mfr # 101-007NL
product price: 
$50.29
/ea
Check Valves (3,500+ items) - Page 18
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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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