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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 9

Zoro Select 1/4" FNPT Brass Piston Spring Check Valve CHK BRS 415-4F4F-F
Zoro Select

1/4" FNPT Brass Piston Spring Check Valve

Zoro # G1925332
Mfr # CHK BRS 415-4F4F-F
product price: 
$25.19
/ea
Watts 3/4" Press Brass Dual Check Valve 3/4 9DM2-PRESS
Watts

3/4" Press Brass Dual Check Valve

Zoro # G4016350
Mfr # 3/4 9DM2-PRESS
product price: 
$162.99
/ea
Little Giant Pump Check Valve, Inline, 1/4 in, MNPT x FNPT, Acetal, for Condensate Pump 599058
Little Giant Pump

Check Valve, Inline, 1/4 in, MNPT x FNPT, Acetal, for Condensate Pump

Zoro # G404105025
Mfr # 599058
product price: 
$15.69
/ea
Valterra 3" Slip PVC Spring Swing Check Valve 200-30
Valterra

3" Slip PVC Spring Swing Check Valve

Zoro # G0040105
Mfr # 200-30
product price: 
$58.65
/ea
Delavan Fluid Power Hydraulic Check Valve, Poppet, #10 SAE O-Ring Boss Female, Steel Body, 30 gpm DAPOCV-60-210-SAE10
Delavan Fluid Power

Hydraulic Check Valve, Poppet, #10 SAE O-Ring Boss Female, Steel Body, 30 gpm

Zoro # G211222670
Mfr # DAPOCV-60-210-SAE10
product price: 
$120.99
/ea
Milwaukee Valve 1-1/2" FNPT Bronze Swing Y Check Valve 515Y 1 1/2"
Milwaukee Valve

1-1/2" FNPT Bronze Swing Y Check Valve

Zoro # G4208617
Mfr # 515Y 1 1/2"
product price: 
$234.41
/ea
Bonomi 3/4" NPT Brass Spring Check Valve 100012LF-3/4"
Bonomi

3/4" NPT Brass Spring Check Valve

Zoro # G2011445
Mfr # 100012LF-3/4"
product price: 
$22.95
/ea
Milwaukee Valve 6" Flanged Cast Steel Swing Check Valve 1570 CB2 6"
Milwaukee Valve

6" Flanged Cast Steel Swing Check Valve

Zoro # G2045985
Mfr # 1570 CB2 6"
product price: 
$1,278.99
/ea
Legend Valve Check Valve, 1 in, FNPT x FNPT, Stainless Steel 203-105
Legend Valve

Check Valve, 1 in, FNPT x FNPT, Stainless Steel

Zoro # G1769250
Mfr # 203-105
product price: 
$12.59
/ea
Discover 3/8 in. Stainless Steel Inline Check Valve 102756
Discover

3/8 in. Stainless Steel Inline Check Valve

Zoro # G515879716
Mfr # 102756
product price: 
$31.49
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1/2", CPVC/FPM, S/T TC20050ST
Hayward Flow Control

Check Valve, True Union, Ball, 1/2", CPVC/FPM, S/T

Zoro # G2472172
Mfr # TC20050ST
product price: 
$81.45
/ea
Valterra Silent Clear Check Valve 1-1/2" 200-C15
Valterra

Silent Clear Check Valve 1-1/2"

Zoro # G9782674
Mfr # 200-C15
product price: 
$24.99
/ea
Stenner Injection Check Valve, PVC, 3/8 in, FKM Seat BC038-1
Stenner

Injection Check Valve, PVC, 3/8 in, FKM Seat

Zoro # G8682478
Mfr # BC038-1
product price: 
$90.19
/ea
Mueller Steam Specialty 4" Cast Iron Wafer Double Disc Check Valve 4 71AHB3H
Mueller Steam Specialty

4" Cast Iron Wafer Double Disc Check Valve

Zoro # G0661202
Mfr # 4 71AHB3H
product price: 
$613.99
/ea
Discover Spring Check Valve, 2 in, FNPT x FNPT, Stainless Steel 102663
Discover

Spring Check Valve, 2 in, FNPT x FNPT, Stainless Steel

Zoro # G415879717
Mfr # 102663
product price: 
$50.39
/ea
Proline Series Spring Loaded Check Valve, Schedule 40 PVC, 1-1/2 in 101-107
Proline Series

Spring Loaded Check Valve, Schedule 40 PVC, 1-1/2 in

Zoro # G011360572
Mfr # 101-107
product price: 
$17.29
/ea
Dayton 2" Compression PVC True Union Swing Waste Water Check Valve 4RG91
Dayton

2" Compression PVC True Union Swing Waste Water Check Valve

Zoro # G0315856
Mfr # 4RG91
product price: 
$81.59
/ea
Zoro Select Check Valve, 1-1/2 in Pipe Size, Threaded, 316 Stainless Steel, 200 psi 4373002160
Zoro Select

Check Valve, 1-1/2 in Pipe Size, Threaded, 316 Stainless Steel, 200 psi

Zoro # G1461822
Mfr # 4373002160
product price: 
$122.99
/ea
Legend Valve Inline Check Valve, T-455 NL, 1 in, FNPT x FNPT, Bronze 105-445NL
Legend Valve

Inline Check Valve, T-455 NL, 1 in, FNPT x FNPT, Bronze

Zoro # G1769226
Mfr # 105-445NL
product price: 
$53.29
/ea
Discover Spring Check Valve, 1 in, FNPT x FNPT, Stainless Steel 102660
Discover

Spring Check Valve, 1 in, FNPT x FNPT, Stainless Steel

Zoro # G715879844
Mfr # 102660
product price: 
$19.69
/ea
Zoro Select 1/4" MNPT x FNPT Brass Piston Spring Check Valve CHK BRS 410-4M4F-F
Zoro Select

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

Zoro # G1415303
Mfr # CHK BRS 410-4M4F-F
product price: 
$22.19
/ea
Campbell 1-1/4" FNPT Lead Free Brass Spring Check Valve 4032E
Campbell

1-1/4" FNPT Lead Free Brass Spring Check Valve

Zoro # G0578182
Mfr # 4032E
product price: 
$85.35
/ea
Zoeller Check Valve 30-0257
Zoeller

Check Valve

Zoro # G600488175
Mfr # 30-0257
product price: 
$75.79
/ea
Zoro Select 1/4" MNPT Stainless Steel Piston Spring Check Valve CHK SST 410-4M4M-F
Zoro Select

1/4" MNPT Stainless Steel Piston Spring Check Valve

Zoro # G1136755
Mfr # CHK SST 410-4M4M-F
product price: 
$44.39
/ea
Sloan Check Valve Sweat Kit, 1 in, Chrome-Plated Brass H-634-AA
Sloan

Check Valve Sweat Kit, 1 in, Chrome-Plated Brass

Zoro # G1200234
Mfr # H-634-AA
product price: 
$18.85
/ea
Keckley Wafer Check Valve, 2 in Pipe Size, Cast Iron Body 2CW1F-CI-B2334
Keckley

Wafer Check Valve, 2 in Pipe Size, Cast Iron Body

Zoro # G3818950
Mfr # 2CW1F-CI-B2334
product price: 
$197.99
/ea
Mecline Check Valve, Inline Spring Piston, 3/8 in, FNPT x FNPT, Brass Body, 2 psi Cracking Pressure CV3-40038
Mecline

Check Valve, Inline Spring Piston, 3/8 in, FNPT x FNPT, Brass Body, 2 psi Cracking Pressure

Zoro # G5529456
Mfr # CV3-40038
product price: 
$33.49
/ea
Zoro Select Swing Check Valve, 1-1/2 in, FNPT x FNPT, Inline, Bronze Body 10F294
Zoro Select

Swing Check Valve, 1-1/2 in, FNPT x FNPT, Inline, Bronze Body

Zoro # G4262903
Mfr # 10F294
product price: 
$78.99
/ea
Georg Fischer 1" Threaded Socket PVC/EPDM Spring Check Valve 161562104
Georg Fischer

1" Threaded Socket PVC/EPDM Spring Check Valve

Zoro # G4699536
Mfr # 161562104
product price: 
$152.99
/ea
Zoro Select 1/8" FNPT x MNPT Stainless Steel Piston Spring Check Valve CHK SST 210-2F2M-F
Zoro Select

1/8" FNPT x MNPT Stainless Steel Piston Spring Check Valve

Zoro # G0294682
Mfr # CHK SST 210-2F2M-F
product price: 
$29.59
/ea
Keckley Wafer Check Valve, 2 in Pipe Size, Carbon Steel Body, 316 Stainless Steel Seat 2CW2R-CS-36336
Keckley

Wafer Check Valve, 2 in Pipe Size, Carbon Steel Body, 316 Stainless Steel Seat

Zoro # G3819328
Mfr # 2CW2R-CS-36336
product price: 
$428.99
/ea
Parker 3/8" FNPT Stainless Steel Instrumentation Check Valve 6F-C6L-1-SS
Parker

3/8" FNPT Stainless Steel Instrumentation Check Valve

Zoro # G2635577
Mfr # 6F-C6L-1-SS
product price: 
$233.99
/ea
Wilkins Dual Check Valve, 700XL Series, Inline, Bronze, 3/4 in, Union FNPT x FNPT 34UFX34F-700XL
Wilkins

Dual Check Valve, 700XL Series, Inline, Bronze, 3/4 in, Union FNPT x FNPT

Zoro # G4461073
Mfr # 34UFX34F-700XL
product price: 
$111.99
/ea
Keckley 2-1/2" Cast Iron Wafer Check Valve DD1F-CI-34136-250
Keckley

2-1/2" Cast Iron Wafer Check Valve

Zoro # G1613230
Mfr # DD1F-CI-34136-250
product price: 
$140.99
/ea
Zoro Select 1/4" MNPT Brass Piston Spring Check Valve CHK BRS 410-4M4M-F
Zoro Select

1/4" MNPT Brass Piston Spring Check Valve

Zoro # G3480644
Mfr # CHK BRS 410-4M4M-F
product price: 
$23.69
/ea
Sharpe Valves 1/2" FNPT Forged Carbon Steel Piston Check Valve 4371001510
Sharpe Valves

1/2" FNPT Forged Carbon Steel Piston Check Valve

Zoro # G1537706
Mfr # 4371001510
product price: 
$83.99
/ea
Check Valves (3,500+ items) - Page 9
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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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