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  9. Check Valves

Check Valves (3,500+ items) - Page 17

Usa Industrials Check Valve, Inline Swing, 2 in FNPT x FNPT, 304 Stainless Steel Body, 0.5 psi Crack Pressure ZUSA-VLV-133
Usa Industrials

Check Valve, Inline Swing, 2 in FNPT x FNPT, 304 Stainless Steel Body, 0.5 psi Crack Pressure

Zoro # G800716054
Mfr # ZUSA-VLV-133
product price: 
$217.99
/ea
Zoro Select Check Valve, H041N01 Series, Swing, 1 in FNPT x FNPT, Inline, 316 Stainless Steel 06H041N01010
Zoro Select

Check Valve, H041N01 Series, Swing, 1 in FNPT x FNPT, Inline, 316 Stainless Steel

Zoro # G205657327
Mfr # 06H041N01010
product price: 
$71.29
/ea
Ham-Let Instrumentation Check Valve, H400 Series, Inline Spring, 1/2 in Let-Lok x Let-Lok, 1 psi H-400-SS-L-1/2-1PSI
Ham-Let

Instrumentation Check Valve, H400 Series, Inline Spring, 1/2 in Let-Lok x Let-Lok, 1 psi

Zoro # G808258877
Mfr # H-400-SS-L-1/2-1PSI
product price: 
$185.99
/ea
Ssi 6" Wafer Flange Stainless Steel Double Disc Check Valve 0600-150WTTTM-T
Ssi

6" Wafer Flange Stainless Steel Double Disc Check Valve

Zoro # G3034726
Mfr # 0600-150WTTTM-T
product price: 
$1,652.99
/ea
Milwaukee Valve Swing Check Valve, 510T Series, 3/4 in, FNPT x FNPT, Bronze Body 510T 3/4
Milwaukee Valve

Swing Check Valve, 510T Series, 3/4 in, FNPT x FNPT, Bronze Body

Zoro # G2143793
Mfr # 510T 3/4
product price: 
$94.18
/ea
Legend Valve Check Valve, P-451 Series, Press x Press, 1 in 105-005NL
Legend Valve

Check Valve, P-451 Series, Press x Press, 1 in

Zoro # G1788975
Mfr # 105-005NL
product price: 
$50.35
/ea
Legend Valve Check Valve, P-451, Press x Press, 2 in 105-008NL
Legend Valve

Check Valve, P-451, Press x Press, 2 in

Zoro # G1842936
Mfr # 105-008NL
product price: 
$178.99
/ea
Zoro Select 1/8" MNPT Stainless Steel Piston Spring Check Valve CHK SST 210-2M2M-B
Zoro Select

1/8" MNPT Stainless Steel Piston Spring Check Valve

Zoro # G1418952
Mfr # CHK SST 210-2M2M-B
product price: 
$29.39
/ea
Zoro Select 1/8" MNPT Brass Piston Spring Check Valve CHK BRS 210-2M2M-F
Zoro Select

1/8" MNPT Brass Piston Spring Check Valve

Zoro # G2341735
Mfr # CHK BRS 210-2M2M-F
product price: 
$20.89
/ea
Legend Valve Check Valve, In-Line, T-450, 1/2 in, FNPT x FNPT, Bronze 105-423NL
Legend Valve

Check Valve, In-Line, T-450, 1/2 in, FNPT x FNPT, Bronze

Zoro # G1786078
Mfr # 105-423NL
product price: 
$17.89
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1-1/4", CPVC/EPDM, S/T TC20125STE
Hayward Flow Control

Check Valve, True Union, Ball, 1-1/4", CPVC/EPDM, S/T

Zoro # G1115344
Mfr # TC20125STE
product price: 
$212.99
/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
Hayward Flow Control Y-Check Valve, True Union, 2", PVC/FPM, Socket YC10200SU
Hayward Flow Control

Y-Check Valve, True Union, 2", PVC/FPM, Socket

Zoro # G6469461
Mfr # YC10200SU
product price: 
$400.99
/ea
Zoro Select 1/8" FNPT Stainless Steel Piston Spring Check Valve CHK SST 215-2F2F-F
Zoro Select

1/8" FNPT Stainless Steel Piston Spring Check Valve

Zoro # G2120361
Mfr # CHK SST 215-2F2F-F
product price: 
$48.99
/ea
Dayton 2" MNPT x FNPT Ductile Iron Spring Check Valve 4RK71
Dayton

2" MNPT x FNPT Ductile Iron Spring Check Valve

Zoro # G1662866
Mfr # 4RK71
product price: 
$177.99
/ea
Ham-Let Instrumentation Check Valve, H400 Series, Inline Spring, 1/4 in Let-Lok x Let-Lok, SS, 1 psi H-400-SS-L-1/4-1PSI
Ham-Let

Instrumentation Check Valve, H400 Series, Inline Spring, 1/4 in Let-Lok x Let-Lok, SS, 1 psi

Zoro # G808258860
Mfr # H-400-SS-L-1/4-1PSI
product price: 
$85.75
/ea
Champion 4" Flanged Stainless Steel Wafer Check Valve 4SD15-SSBS-R
Champion

4" Flanged Stainless Steel Wafer Check Valve

Zoro # G7304495
Mfr # 4SD15-SSBS-R
product price: 
$555.99
/ea
Milwaukee Valve 1-1/2" Solder Low Lead Brass Swing Check Valve UP0968000112
Milwaukee Valve

1-1/2" Solder Low Lead Brass Swing Check Valve

Zoro # G4226101
Mfr # UP0968000112
product price: 
$169.99
/ea
Hayward Flow Control Y-Check Valve, True Union, Spring-Loaded, 1-1/4", PVC/FPM, Socket, Adjustable 2-15 psi SLC10125SU
Hayward Flow Control

Y-Check Valve, True Union, Spring-Loaded, 1-1/4", PVC/FPM, Socket, Adjustable 2-15 psi

Zoro # G6764116
Mfr # SLC10125SU
product price: 
$360.99
/ea
Milwaukee Valve Swing Y Check Valve, 507 Series, 1/2 in, FNPT x FNPT, Bronze Body 507 1/2
Milwaukee Valve

Swing Y Check Valve, 507 Series, 1/2 in, FNPT x FNPT, Bronze Body

Zoro # G0704925
Mfr # 507 1/2
product price: 
$87.00
/ea
Mueller Industries Check Valve, 5 3/16 in L, Copper, 800 psi A 17937
Mueller Industries

Check Valve, 5 3/16 in L, Copper, 800 psi

Zoro # G309944279
Mfr # A 17937
product price: 
$60.69
/ea
Wayland Check Valve, Spring Loaded, Clamp Connection, 2.5 in Tube Size, T316L Stainless Steel, EPDM W645MP-E-25
Wayland

Check Valve, Spring Loaded, Clamp Connection, 2.5 in Tube Size, T316L Stainless Steel, EPDM

Zoro # G612506966
Mfr # W645MP-E-25
product price: 
$416.99
/ea
Legend Valve Wafer Check Valve, 2 in, Wafer Connection, Iron Body 116-241
Legend Valve

Wafer Check Valve, 2 in, Wafer Connection, Iron Body

Zoro # G1842884
Mfr # 116-241
product price: 
$51.95
/ea
Legend Valve Inline Check Valve, T-455 Series, 2 in, FNPT x FNPT, Bronze 105-448
Legend Valve

Inline Check Valve, T-455 Series, 2 in, FNPT x FNPT, Bronze

Zoro # G1792308
Mfr # 105-448
product price: 
$100.99
/ea
Legend Valve Check Valve, T-750, FNPT x FNPT, Stainless Steel, 1-1/4 in 113-436
Legend Valve

Check Valve, T-750, FNPT x FNPT, Stainless Steel, 1-1/4 in

Zoro # G1765595
Mfr # 113-436
product price: 
$121.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 2-1/2", CPVC/EPDM, Socket TC2250SE
Hayward Flow Control

Check Valve, True Union, Ball, 2-1/2", CPVC/EPDM, Socket

Zoro # G1227292
Mfr # TC2250SE
product price: 
$692.99
/ea
Zoro Select 1/4" FNPT Brass Poppet Spring Check Valve CHK BRS 450-4F4F-B
Zoro Select

1/4" FNPT Brass Poppet Spring Check Valve

Zoro # G1580521
Mfr # CHK BRS 450-4F4F-B
product price: 
$21.19
/ea
Bonomi 2" NPT Brass Spring Check Valve 100012LF-2"
Bonomi

2" NPT Brass Spring Check Valve

Zoro # G2011409
Mfr # 100012LF-2"
product price: 
$82.89
/ea
Zoro Select 3/8" FNPT Ball Cone Spring Check Valve FP CHK 693-6F6F-B
Zoro Select

3/8" FNPT Ball Cone Spring Check Valve

Zoro # G2882056
Mfr # FP CHK 693-6F6F-B
product price: 
$16.59
/ea
Keckley Wafer Check Valve, 3 in Pipe Size, Cast Stainless Steel, 275 psi, 5-3/4 in 3CW2R-36-36336
Keckley

Wafer Check Valve, 3 in Pipe Size, Cast Stainless Steel, 275 psi, 5-3/4 in

Zoro # G3819319
Mfr # 3CW2R-36-36336
product price: 
$729.99
/ea
Parker 1/4" CPI(R) Brass Instrumentation Check Valve 4Z-C4L-10-BN-B
Parker

1/4" CPI(R) Brass Instrumentation Check Valve

Zoro # G2132733
Mfr # 4Z-C4L-10-BN-B
product price: 
$74.49
/ea
Ham-Let Instrumentation Check Valve, H400 Series, Inline Spring, 1/2 in FNPT, 316 Stainless Steel H-410-SS-N-1/2-1/3PSI
Ham-Let

Instrumentation Check Valve, H400 Series, Inline Spring, 1/2 in FNPT, 316 Stainless Steel

Zoro # G208258828
Mfr # H-410-SS-N-1/2-1/3PSI
product price: 
$153.99
/ea
Zoro Select 1/8" FNPT Brass Piston Spring Check Valve CHK BRS 215-2F2F-B
Zoro Select

1/8" FNPT Brass Piston Spring Check Valve

Zoro # G1818424
Mfr # CHK BRS 215-2F2F-B
product price: 
$20.59
/ea
Zoro Select 1/8" MNPT Brass Piston Spring Check Valve CHK BRS 210-2M2M-B
Zoro Select

1/8" MNPT Brass Piston Spring Check Valve

Zoro # G0882971
Mfr # CHK BRS 210-2M2M-B
product price: 
$24.29
/ea
Zoro Select Swing Check Valve, Inline, 1 1/4 in, FNPT x FNPT, Brass Body 10F325
Zoro Select

Swing Check Valve, Inline, 1 1/4 in, FNPT x FNPT, Brass Body

Zoro # G4259001
Mfr # 10F325
product price: 
$45.99
/ea
Everflow Sump Pump Check Valve, 2 in SPCV22
Everflow

Sump Pump Check Valve, 2 in

Zoro # G401106902
Mfr # SPCV22
product price: 
$28.95
/ea
Check Valves (3,500+ items) - Page 17
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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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