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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

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 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: 
$79.69
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3/4", CPVC/EPDM, S/T TC20075STE
Hayward Flow Control

Check Valve, True Union, Ball, 3/4", CPVC/EPDM, S/T

Zoro # G1008147
Mfr # TC20075STE
product price: 
$97.19
/ea
Milwaukee Valve 1-1/2" Threaded Low Lead Bronze Spring Check Valve UP509 1 1/2
Milwaukee Valve

1-1/2" Threaded Low Lead Bronze Spring Check Valve

Zoro # G2577391
Mfr # UP509 1 1/2
product price: 
$197.10
/ea
Legend Valve Sump Check Valve, S-613 Series, 2 in, Stainless Steel 203-228
Legend Valve

Sump Check Valve, S-613 Series, 2 in, Stainless Steel

Zoro # G2836446
Mfr # 203-228
product price: 
$45.15
/ea
Zoro Select 1/4" Barb Polypropylene Ball Cone Spring Check Valve PP CHK 695-4B4B-B
Zoro Select

1/4" Barb Polypropylene Ball Cone Spring Check Valve

Zoro # G1938903
Mfr # PP CHK 695-4B4B-B
product price: 
$8.39
/ea
Milwaukee Valve 1-1/2" FNPT Bronze Swing Y Check Valve 507 1 1/2
Milwaukee Valve

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

Zoro # G1218524
Mfr # 507 1 1/2
product price: 
$251.77
/ea
Zoro Select 3/8" FNPT Brass Piston Spring Check Valve CHK BRS 615-6F6F-F
Zoro Select

3/8" FNPT Brass Piston Spring Check Valve

Zoro # G1535143
Mfr # CHK BRS 615-6F6F-F
product price: 
$35.89
/ea
Zoro Select 3/8" Push Gray PVC Ball Cone Spring Check Valve PVC CHK 426-6SMC6SMC-B
Zoro Select

3/8" Push Gray PVC Ball Cone Spring Check Valve

Zoro # G1964051
Mfr # PVC CHK 426-6SMC6SMC-B
product price: 
$34.49
/ea
Zoeller Check Valve with Union, Inline Swing, 2 in, Solvent Weld x Solvent Weld, PVC, 11.5 in 30-0103
Zoeller

Check Valve with Union, Inline Swing, 2 in, Solvent Weld x Solvent Weld, PVC, 11.5 in

Zoro # G0359913
Mfr # 30-0103
product price: 
$56.29
/ea
Hayward Flow Control Check Valve, True Union, Ball, 2", CPVC/EPDM, S/T TC20200STE
Hayward Flow Control

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

Zoro # G2750675
Mfr # TC20200STE
product price: 
$268.99
/ea
Milwaukee Valve Check Valve, 509Y Series, Y Swing, 1/4 in Pipe Size, FNPT x FNPT, Bronze 509Y 1/4"
Milwaukee Valve

Check Valve, 509Y Series, Y Swing, 1/4 in Pipe Size, FNPT x FNPT, Bronze

Zoro # G4140692
Mfr # 509Y 1/4"
product price: 
$62.99
/ea
Zoro Select 1/4" Barb White Nylon Ball Cone Spring Check Valve WN CHK 695-4B4B-B
Zoro Select

1/4" Barb White Nylon Ball Cone Spring Check Valve

Zoro # G1850396
Mfr # WN CHK 695-4B4B-B
product price: 
$6.79
/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
Valterra 1/2" FPT PVC Spring Swing Check Valve 200-C05F
Valterra

1/2" FPT PVC Spring Swing Check Valve

Zoro # G9782692
Mfr # 200-C05F
product price: 
$7.85
/ea
Plast-O-Matic Check Valve, CKM Series, 1 in, FNPT x Socket, Inline Disc, PVC Body CKM100V-PV
Plast-O-Matic

Check Valve, CKM Series, 1 in, FNPT x Socket, Inline Disc, PVC Body

Zoro # G4078261
Mfr # CKM100V-PV
product price: 
$159.99
/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
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
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
Hayward Flow Control Wafer Check Valve, WCV Series, 4 in, Flange x Flange, Inline Wafer, PVC Body WCV1400E
Hayward Flow Control

Wafer Check Valve, WCV Series, 4 in, Flange x Flange, Inline Wafer, PVC Body

Zoro # G4993947
Mfr # WCV1400E
product price: 
$599.99
/ea
Liberty Pumps Ball Check Valve, 2 in Pipe Size, PVC, Slip x Slip BCV200
Liberty Pumps

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

Zoro # G115189598
Mfr # BCV200
product price: 
$74.35
/ea
Smith-Cooper Check Valve, 2 in Pipe Size, Threaded, 316 Stainless Steel Body, 200 WOG 4373002170
Smith-Cooper

Check Valve, 2 in Pipe Size, Threaded, 316 Stainless Steel Body, 200 WOG

Zoro # G1461813
Mfr # 4373002170
product price: 
$159.99
/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
Discover Swing Check Valve, 1 in, FNPT x FNPT, 316 Stainless Steel 102575
Discover

Swing Check Valve, 1 in, FNPT x FNPT, 316 Stainless Steel

Zoro # G815879713
Mfr # 102575
product price: 
$38.25
/ea
Zoro Select Swing Check Valve, Inline, 1 in, FNPT x FNPT, Bronze Body 10F292
Zoro Select

Swing Check Valve, Inline, 1 in, FNPT x FNPT, Bronze Body

Zoro # G4261494
Mfr # 10F292
product price: 
$49.99
/ea
Milwaukee Valve 3/4" FNPT Bronze Swing Y Check Valve 508 3/4"
Milwaukee Valve

3/4" FNPT Bronze Swing Y Check Valve

Zoro # G2718861
Mfr # 508 3/4"
product price: 
$103.37
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3/8", PVC/FPM, Threaded TC10037T
Hayward Flow Control

Check Valve, True Union, Ball, 3/8", PVC/FPM, Threaded

Zoro # G1045387
Mfr # TC10037T
product price: 
$49.59
/ea
Zoro Select Swing Check Valve, Inline, 1-1/2 in, FNPT x FNPT, Bronze Body 10F305
Zoro Select

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

Zoro # G4273753
Mfr # 10F305
product price: 
$87.19
/ea
Pumpspy Silent Inline Check Valve, Clear, 1-1/2 in CV-150
Pumpspy

Silent Inline Check Valve, Clear, 1-1/2 in

Zoro # G909944266
Mfr # CV-150
product price: 
$24.49
/ea
Milwaukee Valve Swing Check Valve, 510T Series, 1 in, FNPT x FNPT, Inline, Bronze 510T 1
Milwaukee Valve

Swing Check Valve, 510T Series, 1 in, FNPT x FNPT, Inline, Bronze

Zoro # G0662593
Mfr # 510T 1
product price: 
$114.63
/ea
Banjo Check Valve, Inline Spring, 2 in, Flanged, Polypropylene Body, EPDM Seal, 200 psi MCV221
Banjo

Check Valve, Inline Spring, 2 in, Flanged, Polypropylene Body, EPDM Seal, 200 psi

Zoro # G608446481
Mfr # MCV221
product price: 
$29.15
/ea
American Valve P430S 3 3 in. PVC Swing Foot Check Valve - Socket Schedule 80 AM16427
American Valve

P430S 3 3 in. PVC Swing Foot Check Valve - Socket Schedule 80

Zoro # G614916947
Mfr # AM16427
product price: 
$127.99
/ea
Discover Spring Check Valve, 1-1/4 in, FNPT x FNPT, Stainless Steel 102661
Discover

Spring Check Valve, 1-1/4 in, FNPT x FNPT, Stainless Steel

Zoro # G615879746
Mfr # 102661
product price: 
$27.89
/ea
Steel & Obrien Check Valve, Disk Type, Clamp Connection, 3 in Tube Size, 316 Stainless Steel 45MP-3-CD-316
Steel & Obrien

Check Valve, Disk Type, Clamp Connection, 3 in Tube Size, 316 Stainless Steel

Zoro # G5412852
Mfr # 45MP-3-CD-316
product price: 
$631.99
/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
Sharkbite Check Valve, Push x Push, Brass, 3.5 in UR2016
Sharkbite

Check Valve, Push x Push, Brass, 3.5 in

Zoro # G210481856
Mfr # UR2016
product price: 
$25.19
/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

Ball ValvesSolenoid ValvesValve PartsRelief ValvesPVC Pipe Fittings
Black Pipe FittingsStainless Steel 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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