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  1. Home
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  3. Plumbing
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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 21

Keckley 10" Globe Check Valve, Connection Type: Flanged 10CG1F-CI-B2334
Keckley

10" Globe Check Valve, Connection Type: Flanged

Zoro # G3819650
Mfr # 10CG1F-CI-B2334
product price: 
$3,551.99
/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, 1-1/2 in Pipe Size, NPT Connection, Brass Body SCVL12
Dixon

Safety Check Valve, 1-1/2 in Pipe Size, NPT Connection, Brass Body

Zoro # G6566220
Mfr # SCVL12
product price: 
$369.99
/ea
Discover 1/4 in. High-Temperature Inline Check Valve 102735
Discover

1/4 in. High-Temperature Inline Check Valve

Zoro # G515879822
Mfr # 102735
product price: 
$61.49
/ea
Steel & Obrien Ball Type Check Valve, Clamp Connection, 2 in Tube Size, 316 Stainless Steel 45BYMP-2-316
Steel & Obrien

Ball Type Check Valve, Clamp Connection, 2 in Tube Size, 316 Stainless Steel

Zoro # G5412843
Mfr # 45BYMP-2-316
product price: 
$501.48
/ea
Dixon 1/2" FNPT Stainless Steel Ball Cone Check Valve 62-103
Dixon

1/2" FNPT Stainless Steel Ball Cone Check Valve

Zoro # G6556649
Mfr # 62-103
product price: 
$148.99
/ea
Dixon 1/2" FNPT Brass Ball Cone Check Valve 61-103
Dixon

1/2" FNPT Brass Ball Cone Check Valve

Zoro # G6550796
Mfr # 61-103
product price: 
$58.59
/ea
Legend Valve Check Valve, S-451 Series, Sweat x Sweat, Brass Body, 2-1/2 in 105-209
Legend Valve

Check Valve, S-451 Series, Sweat x Sweat, Brass Body, 2-1/2 in

Zoro # G1793744
Mfr # 105-209
product price: 
$138.99
/ea
Discover Swing Check Valve, FNPT x FNPT, 4 in, 316 Stainless Steel 102581
Discover

Swing Check Valve, FNPT x FNPT, 4 in, 316 Stainless Steel

Zoro # G715879738
Mfr # 102581
product price: 
$454.99
/ea
Dixon 1-1/2" FNPT Brass Horizontal Swing Check Valve SWCV150
Dixon

1-1/2" FNPT Brass Horizontal Swing Check Valve

Zoro # G6554287
Mfr # SWCV150
product price: 
$57.39
/ea
Ssi 6" Flanged Cast Iron Triple Duty Check Valve 0600-125TFI-B
Ssi

6" Flanged Cast Iron Triple Duty Check Valve

Zoro # G2437793
Mfr # 0600-125TFI-B
product price: 
$1,303.99
/ea
Merit Brass Co Swing Check Valve, 3/4 in Pipe Size, Stainless Steel Body, 200 psi VSC102-12
Merit Brass Co

Swing Check Valve, 3/4 in Pipe Size, Stainless Steel Body, 200 psi

Zoro # G108621210
Mfr # VSC102-12
product price: 
$164.99
/ea
Hayward Flow Control Check Valve, Wafer, 6", CPVC/EPDM, with SS Spring WCV2600ES
Hayward Flow Control

Check Valve, Wafer, 6", CPVC/EPDM, with SS Spring

Zoro # G6521907
Mfr # WCV2600ES
product price: 
$935.99
/ea
Hayward Flow Control Wafer Check Valve, WCV Series, 8 in, Flange x Flange, Inline Wafer, PVC Body WCV1800E
Hayward Flow Control

Wafer Check Valve, WCV Series, 8 in, Flange x Flange, Inline Wafer, PVC Body

Zoro # G4998052
Mfr # WCV1800E
product price: 
$1,514.99
/ea
Keckley 5" Stainless Steel Wafer Check Valve DD2R-36-364IX-500
Keckley

5" Stainless Steel Wafer Check Valve

Zoro # G1612628
Mfr # DD2R-36-364IX-500
product price: 
$1,944.99
/ea
Champion 2-1/2" Flanged Stainless Steel Wafer Check Valve 2.5SDS15-SSP-R
Champion

2-1/2" Flanged Stainless Steel Wafer Check Valve

Zoro # G7344270
Mfr # 2.5SDS15-SSP-R
product price: 
$325.99
/ea
Hayward Flow Control Check Valve, Wafer, 6", PVC/FPM, with SS Spring WCV1600VS
Hayward Flow Control

Check Valve, Wafer, 6", PVC/FPM, with SS Spring

Zoro # G4997937
Mfr # WCV1600VS
product price: 
$869.99
/ea
Danfoss Check Valve, NRV 10, 3/8 in Flare 020-1041
Danfoss

Check Valve, NRV 10, 3/8 in Flare

Zoro # G409981860
Mfr # 020-1041
product price: 
$80.89
/ea
Everflow Swing Check Valve, Cast Brass, 1-1/4 in Press Connection 400R114-NL
Everflow

Swing Check Valve, Cast Brass, 1-1/4 in Press Connection

Zoro # G301106910
Mfr # 400R114-NL
product price: 
$56.99
/ea
Watts Check Valve, 1 in 0555177
Watts

Check Valve, 1 in

Zoro # G9548511
Mfr # 0555177
product price: 
$272.99
/ea
Everflow Swing Check Valve, Cast Brass, 3 in SWT 210C003-NL
Everflow

Swing Check Valve, Cast Brass, 3 in SWT

Zoro # G001106913
Mfr # 210C003-NL
product price: 
$209.99
/ea
No Product Image Available
T&S Brass

Compression Check Valve Assembly

Zoro # G516045622
Mfr # 016419-25
product price: 
$36.42
/ea
Anchor Fluid Power Check Valve, 1-1/2 in NPTF Female Threaded, Carbon Steel, 7 psi Cracking Pressure CN1-1/2-1-7
Anchor Fluid Power

Check Valve, 1-1/2 in NPTF Female Threaded, Carbon Steel, 7 psi Cracking Pressure

Zoro # G002014231
Mfr # CN1-1/2-1-7
product price: 
$261.99
/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
Bonomi North America Check Valve, In-Line Spring Loaded, High Flow, Lead Free Brass, 2 in Pipe Size 100012LF-2
Bonomi North America

Check Valve, In-Line Spring Loaded, High Flow, Lead Free Brass, 2 in Pipe Size

Zoro # G211494190
Mfr # 100012LF-2
product price: 
$77.69
/ea
Alfa Laval Ball Check Valve, 1-1/2 in Pipe Size, Viton 45BY-1.5-02-SFY
Alfa Laval

Ball Check Valve, 1-1/2 in Pipe Size, Viton

Zoro # G110081460
Mfr # 45BY-1.5-02-SFY
product price: 
$122.56
/ea
Everflow Swing Check Valve, FIP Connection, Cast Brass Body, 2-1/2 in 210T212-NL
Everflow

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

Zoro # G701106879
Mfr # 210T212-NL
product price: 
$147.99
/ea
Keckley 8" Wafer Check Valve, Body Material: Cast iron 8CW1F-CI-B2334
Keckley

8" Wafer Check Valve, Body Material: Cast iron

Zoro # G3819188
Mfr # 8CW1F-CI-B2334
product price: 
$1,884.99
/ea
Eco-Flo Check Valve, 1", Brass EFCV100
Eco-Flo

Check Valve, 1", Brass

Zoro # G2121508
Mfr # EFCV100
product price: 
$22.89
/ea
Chicago Valves And Controls Swing Check Valve, 4 in Pipe Size, Class 150, Flanged, Cast Steel 41411040
Chicago Valves And Controls

Swing Check Valve, 4 in Pipe Size, Class 150, Flanged, Cast Steel

Zoro # G9156632
Mfr # 41411040
product price: 
$565.99
/ea
Keckley 4" Wafer Check Valve, Body Material: Cast iron 4CW1F-CI-B2334
Keckley

4" Wafer Check Valve, Body Material: Cast iron

Zoro # G3818941
Mfr # 4CW1F-CI-B2334
product price: 
$419.99
/ea
Conbraco Check Valve 61-101-01
Conbraco

Check Valve

Zoro # G415365586
Mfr # 61-101-01
product price: 
$90.67
/ea
Cole Parmer Miniature Check Valve, Straight, Nylon Body, Silicone Diaphragm, 3/16 in ID GM47ASA
Cole Parmer

Miniature Check Valve, Straight, Nylon Body, Silicone Diaphragm, 3/16 in ID

Zoro # G014185493
Mfr # GM47ASA
product price: 
$6.55
/ea
Sold in mult. of 2 for $13.10
Keckley 4" Wafer Check Valve, Length: 7" 4CW2R-36-36336
Keckley

4" Wafer Check Valve, Length: 7"

Zoro # G3819413
Mfr # 4CW2R-36-36336
product price: 
$1,498.99
/ea
Hoke Ball Check Valve, 6100 Series, Brass Body, 1/4 in FNPT x 1/4 in FNPT, 3000 psi 6113F4B
Hoke

Ball Check Valve, 6100 Series, Brass Body, 1/4 in FNPT x 1/4 in FNPT, 3000 psi

Zoro # G816507240
Mfr # 6113F4B
product price: 
$100.99
/ea
Chicago Valves And Controls Swing Check Valve, 5 in Pipe Size, Class 150, Flanged, Cast Steel WCB 41411050
Chicago Valves And Controls

Swing Check Valve, 5 in Pipe Size, Class 150, Flanged, Cast Steel WCB

Zoro # G9156039
Mfr # 41411050
product price: 
$795.99
/ea
Check Valves (3,500+ items) - Page 21
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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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