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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 4

Discover Inline Check Valve, 1/4 in Tube Size, MNPT x FNPT, 316 Stainless Steel 101134
Discover

Inline Check Valve, 1/4 in Tube Size, MNPT x FNPT, 316 Stainless Steel

Zoro # G815879805
Mfr # 101134
product price: 
$28.99
/ea
Parker 1/2" FNPT Stainless Steel Instrumentation Check Valve 8F-C8L-1-SS
Parker

1/2" FNPT Stainless Steel Instrumentation Check Valve

Zoro # G2479793
Mfr # 8F-C8L-1-SS
product price: 
$235.99
/ea
Zoro Select 3/4" FNPT Ball Cone Spring Check Valve FP CHK 687-12F12F-F
Zoro Select

3/4" FNPT Ball Cone Spring Check Valve

Zoro # G3409612
Mfr # FP CHK 687-12F12F-F
product price: 
$22.19
/ea
Nds Swing Check Valve, Inline, 1 1/2 in Pipe Size, FNPT x FNPT, PVC Body 1520-15F
Nds

Swing Check Valve, Inline, 1 1/2 in Pipe Size, FNPT x FNPT, PVC Body

Zoro # G2902566
Mfr # 1520-15F
product price: 
$28.75
/ea
Ssi 3" Wafer Flange Cast Iron Silent Check Valve 0300-125WCIBM-T
Ssi

3" Wafer Flange Cast Iron Silent Check Valve

Zoro # G0292756
Mfr # 0300-125WCIBM-T
product price: 
$109.99
/ea
Bonomi 3/8" NPT Brass Spring Check Valve 100003-3/8"
Bonomi

3/8" NPT Brass Spring Check Valve

Zoro # G2425066
Mfr # 100003-3/8"
product price: 
$14.59
/ea
Zoro Select Spring Check Valve, Inline, 1/2 in, FNPT x FNPT, Bronze Body 6AJY1
Zoro Select

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

Zoro # G2310987
Mfr # 6AJY1
product price: 
$18.39
/ea
Apollo Valves 3/8" FNPT Stainless Steel Ball Cone Spring Check Valve 6210201
Apollo Valves

3/8" FNPT Stainless Steel Ball Cone Spring Check Valve

Zoro # G1732893
Mfr # 6210201
product price: 
$89.79
/ea
Nds Swing Check Valve, Inline, 2 in, FNPT x FNPT, PVC Body, 6-3/16 in Overall L 1520-20F
Nds

Swing Check Valve, Inline, 2 in, FNPT x FNPT, PVC Body, 6-3/16 in Overall L

Zoro # G2456666
Mfr # 1520-20F
product price: 
$58.49
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3", PVC/FPM, Socket TC1300S
Hayward Flow Control

Check Valve, True Union, Ball, 3", PVC/FPM, Socket

Zoro # G3387824
Mfr # TC1300S
product price: 
$422.99
/ea
Nds Swing Check Valve, Inline, 1 in Pipe Size, IPS Slip x IPS Slip, PVC 1520-10
Nds

Swing Check Valve, Inline, 1 in Pipe Size, IPS Slip x IPS Slip, PVC

Zoro # G1238395
Mfr # 1520-10
product price: 
$21.79
/ea
Zoro Select 3/8" FNPT Ball Cone Spring Check Valve FP CHK 693-6F6F-F
Zoro Select

3/8" FNPT Ball Cone Spring Check Valve

Zoro # G0581271
Mfr # FP CHK 693-6F6F-F
product price: 
$18.29
/ea
Keckley 8" Cast Iron Wafer Check Valve DD1F-CI-34136-800
Keckley

8" Cast Iron Wafer Check Valve

Zoro # G1613355
Mfr # DD1F-CI-34136-800
product price: 
$844.99
/ea
Nds Swing Check Valve, 1 1/4 in Pipe Size, IPS Slip x IPS Slip, Inline, PVC Body 1520-12
Nds

Swing Check Valve, 1 1/4 in Pipe Size, IPS Slip x IPS Slip, Inline, PVC Body

Zoro # G1566354
Mfr # 1520-12
product price: 
$32.15
/ea
Ssi 6" Wafer Flange Cast Iron Silent Check Valve 0600-125WCIBM-T
Ssi

6" Wafer Flange Cast Iron Silent Check Valve

Zoro # G0553104
Mfr # 0600-125WCIBM-T
product price: 
$375.99
/ea
Zoro Select 3/4" FNPT Ball Cone Spring Check Valve FP CHK 687-12F12F-B
Zoro Select

3/4" FNPT Ball Cone Spring Check Valve

Zoro # G2334272
Mfr # FP CHK 687-12F12F-B
product price: 
$22.19
/ea
Apollo Valves 3" FNPT Bronze Ball Cone Spring Check Valve 6110001
Apollo Valves

3" FNPT Bronze Ball Cone Spring Check Valve

Zoro # G2845236
Mfr # 6110001
product price: 
$931.99
/ea
Smith-Cooper 3" Swing Check Valve 4347002880
Smith-Cooper

3" Swing Check Valve

Zoro # G6775717
Mfr # 4347002880
product price: 
$147.99
/ea
Smith-Cooper 1-1/4" Brass Inline Check Valve 4347003760
Smith-Cooper

1-1/4" Brass Inline Check Valve

Zoro # G6775881
Mfr # 4347003760
product price: 
$29.39
/ea
Ssi 2-1/2" Wafer Flange Cast Iron Silent Check Valve 0250-125WCIBM-T
Ssi

2-1/2" Wafer Flange Cast Iron Silent Check Valve

Zoro # G0663241
Mfr # 0250-125WCIBM-T
product price: 
$84.15
/ea
Milwaukee Valve Swing Y Check Valve, 515Y Series, 2 in, FNPT x FNPT, Bronze Body 515Y 2"
Milwaukee Valve

Swing Y Check Valve, 515Y Series, 2 in, FNPT x FNPT, Bronze Body

Zoro # G3949601
Mfr # 515Y 2"
product price: 
$345.56
/ea
Legend Valve Sump Check Valve, S-613 Series, 1-1/4 in x 1-1/2 in, Stainless Steel 203-227
Legend Valve

Sump Check Valve, S-613 Series, 1-1/4 in x 1-1/2 in, Stainless Steel

Zoro # G2836647
Mfr # 203-227
product price: 
$21.89
/ea
Smith-Cooper Check Valve, Inline, Threaded, 3/4 in Pipe Size, Lead Free Brass 4347003720
Smith-Cooper

Check Valve, Inline, Threaded, 3/4 in Pipe Size, Lead Free Brass

Zoro # G6775787
Mfr # 4347003720
product price: 
$20.65
/ea
Hayward Flow Control Check Valve, True Union, Ball, 4", PVC/EPDM, Socket TC1400SE
Hayward Flow Control

Check Valve, True Union, Ball, 4", PVC/EPDM, Socket

Zoro # G0436581
Mfr # TC1400SE
product price: 
$824.99
/ea
Nds Swing Check Valve, Inline, 1 in, FNPT x FNPT, PVC Body, 5 in Overall L 1520-10F
Nds

Swing Check Valve, Inline, 1 in, FNPT x FNPT, PVC Body, 5 in Overall L

Zoro # G1082453
Mfr # 1520-10F
product price: 
$34.79
/ea
Legend Valve Check Valve, T-311, Flanged, 4 in, Cast Iron 116-204
Legend Valve

Check Valve, T-311, Flanged, 4 in, Cast Iron

Zoro # G1842866
Mfr # 116-204
product price: 
$479.99
/ea
Zoro Select 1/2" FNPT x MNPT Brass Piston Spring Check Valve CHK BRS 810-8F8M-F
Zoro Select

1/2" FNPT x MNPT Brass Piston Spring Check Valve

Zoro # G2637004
Mfr # CHK BRS 810-8F8M-F
product price: 
$34.59
/ea
Bonomi 1/4" NPT Brass Spring Check Valve 100012LF-1/4"
Bonomi

1/4" NPT Brass Spring Check Valve

Zoro # G2011479
Mfr # 100012LF-1/4"
product price: 
$16.99
/ea
American Valve Swing Check Foot Valve, Schedule 80 PVC, 4 in Pipe Size P430S 4''
American Valve

Swing Check Foot Valve, Schedule 80 PVC, 4 in Pipe Size

Zoro # G815189706
Mfr # P430S 4''
product price: 
$186.99
/ea
Discover Check Valve, Spring, 1/2 in, FNPT x FNPT, Stainless Steel 102658
Discover

Check Valve, Spring, 1/2 in, FNPT x FNPT, Stainless Steel

Zoro # G115879734
Mfr # 102658
product price: 
$9.99
/ea
Milwaukee Valve 2-1/2" Flanged Cast Iron Swing Check Valve 2974-M 2 1/2
Milwaukee Valve

2-1/2" Flanged Cast Iron Swing Check Valve

Zoro # G0656336
Mfr # 2974-M 2 1/2
product price: 
$363.48
/ea
Nds Swing Check Valve, Inline, 3/4 in, Socket x Socket, PVC Body 1520-07
Nds

Swing Check Valve, Inline, 3/4 in, Socket x Socket, PVC Body

Zoro # G1384284
Mfr # 1520-07
product price: 
$18.19
/ea
Bonomi 2-1/2" NPT Brass Spring Check Valve 100003-2-1/2"
Bonomi

2-1/2" NPT Brass Spring Check Valve

Zoro # G2011250
Mfr # 100003-2-1/2"
product price: 
$139.99
/ea
Campbell 1-1/4" FNPT Low Lead Brass Spring Check Valve w/Taps CVB-5TLF
Campbell

1-1/4" FNPT Low Lead Brass Spring Check Valve w/Taps

Zoro # G4731876
Mfr # CVB-5TLF
product price: 
$57.75
/ea
Viega 2" X 2" Press Low Lead Bronze Spring Check Valve 79060
Viega

2" X 2" Press Low Lead Bronze Spring Check Valve

Zoro # G1906012
Mfr # 79060
product price: 
$156.99
/ea
Legend Valve Check Valve, T-457 Dual Check, 1/2 in, FNPT x FNPT, Brass 115-103NL
Legend Valve

Check Valve, T-457 Dual Check, 1/2 in, FNPT x FNPT, Brass

Zoro # G1785719
Mfr # 115-103NL
product price: 
$54.69
/ea
Check Valves (3,500+ items) - Page 4
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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 FittingsPush-to-Connect Tube FittingsCamlock Fittings
3/4" pvc check valves1-1/2" swing check valves8" wafer check valves3" pvc check valves1/2" swing check valves
1/2 inch check valves3" spring check valves3" swing check valves2" flanged check valves1-1/2" inline check valves

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