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  1. Home
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  9. Check Valves
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Check Valves (3,500+ items) - Page 28

Bonomi North America 2-1/2in LEAD FREE HIGH FLOW RATE IN-LINE SPRING LOADED CHECK VALVE 100012LF-2-1/2
Bonomi North America

2-1/2in LEAD FREE HIGH FLOW RATE IN-LINE SPRING LOADED CHECK VALVE

Zoro # G411494181
Mfr # 100012LF-2-1/2
product price:  $127.99
/ea
No Product Image Available
Leonard Valve

Large Valve Check Repair Kit

Zoro # G916244496
Mfr # KIT 2/200/Y
product price:  $242.99
/ea
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:  $954.99
/ea
Hoke CVH Series Check Valves - 1/2in Tube x 1/2in Tube, 0-6000 PSI, -20 Deg. To 400 Deg. F CVHG8Y21S
Hoke

CVH Series Check Valves - 1/2in Tube x 1/2in Tube, 0-6000 PSI, -20 Deg. To 400 Deg. F

Zoro # G116507087
Mfr # CVHG8Y21S
product price:  $461.99
/ea
Legend Valve 1" S-451 NO LEAD CHECK VALVE 105-205NL
Legend Valve

1" S-451 NO LEAD CHECK VALVE

Zoro # G1774616
Mfr # 105-205NL
product price:  $28.55
/ea
Bonomi 3/4" Press Lead Free Brass Check Valve 100612LF-3/4
Bonomi

3/4" Press Lead Free Brass Check Valve

Zoro # G7560406
Mfr # 100612LF-3/4
product price:  $43.39
/ea
Chicago Valves And Controls 4", Cast Steel Class 150 Flanged Swing Check Valve 41411040
Chicago Valves And Controls

4", Cast Steel Class 150 Flanged Swing Check Valve

Zoro # G9156632
Mfr # 41411040
product price:  $565.99
/ea
Jomar Valve 2" NPT Brass Horizontal Check Valve T-501
Jomar Valve

2" NPT Brass Horizontal Check Valve

Zoro # G7128698
Mfr # T-501
product price:  $99.99
/ea
Legend Valve 2-1/2" T-451 CHECK VALVE NL 105-109NL
Legend Valve

2-1/2" T-451 CHECK VALVE NL

Zoro # G1796149
Mfr # 105-109NL
product price:  $143.99
/ea
B & K Campbell 1/2 in. D X 1/2 in. D FIP Red Brass Spring Loaded Check Valve CV-2TLF
B & K

Campbell 1/2 in. D X 1/2 in. D FIP Red Brass Spring Loaded Check Valve

Zoro # G3992411
Mfr # CV-2TLF
product price:  $25.15
/ea
Cole-Parmer Miniature Check Valve, PVDF Housing, Viton diaphragm, 1/8in ID GM32FFA
Cole-Parmer

Miniature Check Valve, PVDF Housing, Viton diaphragm, 1/8in ID

Zoro # G214185477
Mfr # GM32FFA
product price:  $8.29
/ea
Zoro Select Check Valve, 2-1/2", 316, Thrd 200 4373002180
Zoro Select

Check Valve, 2-1/2", 316, Thrd 200

Zoro # G1461831
Mfr # 4373002180
product price:  $408.99
/ea
No Product Image Available
Mueller Industries

Check Valve, 10 9/16 in L, Copper, 800 psi

Zoro # G509944277
Mfr # A 17942
product price:  $797.99
/ea
B & K Homewerks 1-1/2 in. D X 1-1/2 in. D FIP Brass Swing Check Valve 240-2-112
B & K

Homewerks 1-1/2 in. D X 1-1/2 in. D FIP Brass Swing Check Valve

Zoro # G8635528
Mfr # 240-2-112
product price:  $44.19
/ea
Anchor Fluid Power 1" NPTF THREADED CHECK VALVE CARBON STEEL PLATED, 7 PSI CRACKING PRESSURE CN1-1-7
Anchor Fluid Power

1" NPTF THREADED CHECK VALVE CARBON STEEL PLATED, 7 PSI CRACKING PRESSURE

Zoro # G802014585
Mfr # CN1-1-7
product price:  $138.99
/ea
Genova CANPLAS Backwater Valve, 3 in Connection, Hub, PVC 223283W
Genova

CANPLAS Backwater Valve, 3 in Connection, Hub, PVC

Zoro # G207460833
Mfr # 223283W
product price:  $57.75
/ea
Loc-Line 1/4" Acetal Inline Check Valve PK10 29451-BLK
Loc-Line

1/4" Acetal Inline Check Valve PK10

Zoro # G7041907
Mfr # 29451-BLK
product price:  $51.99
/pk 10, $5.20/ea
Alfa Laval Ball Check Valve 1.5 Viton 45BY-1.5-02-SFY
Alfa Laval

Ball Check Valve 1.5 Viton

Zoro # G110081460
Mfr # 45BY-1.5-02-SFY
product price:  $118.99
/ea
Bonomi 2" Press Lead Free Brass Check Valve 100612LF-2
Bonomi

2" Press Lead Free Brass Check Valve

Zoro # G7560519
Mfr # 100612LF-2
product price:  $168.99
/ea
Bonomi North America 1in INLINE STAINLESS STEEL CHECK Valve S250-1
Bonomi North America

1in INLINE STAINLESS STEEL CHECK Valve

Zoro # G411494082
Mfr # S250-1
product price:  $35.65
/ea
Wheeler-Rex 276698 Check Valve Set - 4 pcs 276698-REX
Wheeler-Rex

276698 Check Valve Set - 4 pcs

Zoro # G911899110
Mfr # 276698-REX
product price:  $177.99
/ea
Watts Check Valve, 3/4" 0555176
Watts

Check Valve, 3/4"

Zoro # G9548590
Mfr # 0555176
product price:  $134.99
/ea
Dixon Safety Check Valve, 3/4 in Nominal, MNPT x FNPT End Style, Brass Body SCVJ6
Dixon

Safety Check Valve, 3/4 in Nominal, MNPT x FNPT End Style, Brass Body

Zoro # G209018940
Mfr # SCVJ6
product price:  $122.99
/ea
Strataflo 2-1/2" FNPT No-Lead Brass Check Valve with Buna-S Rubber Poppet F300-250
Strataflo

2-1/2" FNPT No-Lead Brass Check Valve with Buna-S Rubber Poppet

Zoro # G704942931
Mfr # F300-250
product price:  $917.99
/ea
Hoke 6100 Series Ball Check Valves - 1/4in FNPT x 1/4in FNPT, 3000 PSI, -40 Deg. To 200 Deg.F 6113F4B
Hoke

6100 Series Ball Check Valves - 1/4in FNPT x 1/4in FNPT, 3000 PSI, -40 Deg. To 200 Deg.F

Zoro # G816507240
Mfr # 6113F4B
product price:  $100.99
/ea
Keckley 12" Wafer Check Valve, Body Material: Cast iron 12CW1F-CI-B2334
Keckley

12" Wafer Check Valve, Body Material: Cast iron

Zoro # G3819011
Mfr # 12CW1F-CI-B2334
product price:  $3,908.99
/ea
American Valve Schedule 80 PVC Swing Check Valve Flanged P440F 3''
American Valve

Schedule 80 PVC Swing Check Valve Flanged

Zoro # G715189714
Mfr # P440F 3''
product price:  $738.99
/ea
Legend Valve 4" T-450 NL IPS IN-LINE CHECK 105-431NL
Legend Valve

4" T-450 NL IPS IN-LINE CHECK

Zoro # G1842954
Mfr # 105-431NL
product price:  $667.99
/ea
Pentair 0.5 in. Check Valve, Black R172248Z
Pentair

0.5 in. Check Valve, Black

Zoro # G111926852
Mfr # R172248Z
product price:  $23.79
/ea
Bonomi North America 4in LEAD FREE HIGH FLOW RATE IN-LINE SPRING LOADED CHECK VALVE 100012LF-4
Bonomi North America

4in LEAD FREE HIGH FLOW RATE IN-LINE SPRING LOADED CHECK VALVE

Zoro # G911494162
Mfr # 100012LF-4
product price:  $359.99
/ea
Legend Valve 3" T-312 DI WAFER CHEK DI DISC 116-243
Legend Valve

3" T-312 DI WAFER CHEK DI DISC

Zoro # G1794310
Mfr # 116-243
product price:  $83.95
/ea
Ez-Fluid 1-1/2in Threaded Spring Loaded Check Valve Brass EZSIT112
Ez-Fluid

1-1/2in Threaded Spring Loaded Check Valve Brass

Zoro # G513120711
Mfr # EZSIT112
product price:  $54.99
/ea
No Product Image Available
Keckley

5" Flanged Flanged Triple Duty Valve

Zoro # G3819967
Mfr # TDV-500
product price:  $1,101.99
/ea
Anchor Fluid Power 1/4" NPTF THREADED CHECK VALVE CARBON STEEL PLATED, 65 PSI CRACKING PRESSURE CN1/4-1-65
Anchor Fluid Power

1/4" NPTF THREADED CHECK VALVE CARBON STEEL PLATED, 65 PSI CRACKING PRESSURE

Zoro # G102014155
Mfr # CN1/4-1-65
product price:  $40.35
/ea
Legend Valve 1" P-451 NO LEAD PRESS CHECK 105-005NL
Legend Valve

1" P-451 NO LEAD PRESS CHECK

Zoro # G1788975
Mfr # 105-005NL
product price:  $49.39
/ea
Chicago Valves And Controls 1/2", Forged Steel Class 800 Piston Check Valve, FNPT P484TE005
Chicago Valves And Controls

1/2", Forged Steel Class 800 Piston Check Valve, FNPT

Zoro # G9159889
Mfr # P484TE005
product price:  $48.95
/ea
Check Valves (3,500+ items) - Page 28
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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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plast-o-matic 2" ball valve1" dual check valve1/2" inline check valveparker stainless steel filterflange mount check valve
1/2" npt stainless steel1" bronze ball valve2" spring checkcheck valve cpvc 1/2"swagelok brass

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