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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
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Check Valves (3,500+ items) - Page 27

Dixon Legris by Non-Return In-Line Check Valve, 1/4 in, Tube, Nylon Body 79965600
Dixon

Legris by Non-Return In-Line Check Valve, 1/4 in, Tube, Nylon Body

Zoro # G509216879
Mfr # 79965600
product price:  $45.45
/ea
Proline 1-1/2 In. PVC Schedule 40 Solvent Check Valve 101-607
Proline

1-1/2 In. PVC Schedule 40 Solvent Check Valve

Zoro # G311360562
Mfr # 101-607
product price:  $21.15
/ea
Legend Valve 1-1/2" S-670 PVC CHECK/BALL VA 203-257
Legend Valve

1-1/2" S-670 PVC CHECK/BALL VA

Zoro # G2836260
Mfr # 203-257
product price:  $36.85
/ea
Pentair Flotec Check Valve, Threaded, PVC Body FP0026-6D-P2
Pentair Flotec

Check Valve, Threaded, PVC Body

Zoro # G213754780
Mfr # FP0026-6D-P2
product price:  $18.75
/ea
Legend Valve 2" P-451 NO LEAD PRESS CHECK 105-008NL
Legend Valve

2" P-451 NO LEAD PRESS CHECK

Zoro # G1842936
Mfr # 105-008NL
product price:  $169.99
/ea
Jomar Valve 1-1/4" Solder Lead Free Brass Spring Check Valve S-521G
Jomar Valve

1-1/4" Solder Lead Free Brass Spring Check Valve

Zoro # G7043149
Mfr # S-521G
product price:  $67.15
/ea
Legend Valve 1-1/4 T450 NO LEAD IN-LINE CHK 105-426NL
Legend Valve

1-1/4 T450 NO LEAD IN-LINE CHK

Zoro # G1769707
Mfr # 105-426NL
product price:  $48.95
/ea
No Product Image Available
Mueller Industries

Check Valve, 8 7/16 in L, Copper, 800 psi

Zoro # G809944281
Mfr # A 17940
product price:  $309.99
/ea
Watts First Check Valve Repair Kit LFRK909M1-CK1 1 1/4-2
Watts

First Check Valve Repair Kit

Zoro # G6176152
Mfr # LFRK909M1-CK1 1 1/4-2
product price:  $369.99
/ea
Watts First Check Valve Repair Kit LFRK 909-CK1 2 1/2-3
Watts

First Check Valve Repair Kit

Zoro # G6230594
Mfr # LFRK 909-CK1 2 1/2-3
product price:  $811.99
/ea
Watts First Check Valve Repair Kit LFRK 909-CK1 4
Watts

First Check Valve Repair Kit

Zoro # G6202874
Mfr # LFRK 909-CK1 4
product price:  $1,143.99
/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
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
Merit Brass Co 3/4 In. 316 Stainless Steel Swing Check Valve - 200 PSI VSC102-12
Merit Brass Co

3/4 In. 316 Stainless Steel Swing Check Valve - 200 PSI

Zoro # G108621210
Mfr # VSC102-12
product price:  $164.99
/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
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
Legend Valve 12 T-312 CAST IRON WAFER CHECK 116-229
Legend Valve

12 T-312 CAST IRON WAFER CHECK

Zoro # G1797497
Mfr # 116-229
product price:  $1,218.99
/ea
Legend Valve 2" T-750 S.S. CHECK VALVE 113-438
Legend Valve

2" T-750 S.S. CHECK VALVE

Zoro # G1789508
Mfr # 113-438
product price:  $226.99
/ea
Eco-Flo Check Valve, 1", Brass EFCV100
Eco-Flo

Check Valve, 1", Brass

Zoro # G2121508
Mfr # EFCV100
product price:  $22.89
/ea
Proline Series 3/4" Inline Check Valve PK48 101-304NL
Proline Series

3/4" Inline Check Valve PK48

Zoro # G7819570
Mfr # 101-304NL
product price:  $25.75
/ea
Chicago Valves And Controls 3/4", Forged Steel Class 800 Piston Check Valve, FNPT P484TE006
Chicago Valves And Controls

3/4", Forged Steel Class 800 Piston Check Valve, FNPT

Zoro # G9158166
Mfr # P484TE006
product price:  $58.35
/ea
Legend Valve 1-1/4 T-451 NO LEAD CHECK VALE 105-106NL
Legend Valve

1-1/4 T-451 NO LEAD CHECK VALE

Zoro # G1785789
Mfr # 105-106NL
product price:  $46.29
/ea
Legend Valve 1" T-455 IPS IN-LINE CHECK 105-445
Legend Valve

1" T-455 IPS IN-LINE CHECK

Zoro # G1774266
Mfr # 105-445
product price:  $41.79
/ea
Basiks Check Valve, PVC, 1/2", FKM, Socket TBC360-050VS-PV
Basiks

Check Valve, PVC, 1/2", FKM, Socket

Zoro # G7194840
Mfr # TBC360-050VS-PV
product price:  $36.29
/ea
Jomar Valve 2" NPT Lead Free Brass Horizontal Check Valve T-501G
Jomar Valve

2" NPT Lead Free Brass Horizontal Check Valve

Zoro # G7141471
Mfr # T-501G
product price:  $108.99
/ea
Zoro Select 3/4" Socket Kynar Ball Check Valve S65BC-V 3/4
Zoro Select

3/4" Socket Kynar Ball Check Valve

Zoro # G1250207
Mfr # S65BC-V 3/4
product price:  $427.99
/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
Danfoss 5/8 in. ODF NRV 16S Check Valve 020B1018
Danfoss

5/8 in. ODF NRV 16S Check Valve

Zoro # G410066051
Mfr # 020B1018
product price:  $87.75
/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
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
No Product Image Available
Leonard Valve

Check Stop Kit

Zoro # G216244417
Mfr # KIT 2/50
product price:  $151.99
/ea
Legend Valve 2" T-455 IPS IN-LINE CHECK 105-448
Legend Valve

2" T-455 IPS IN-LINE CHECK

Zoro # G1792308
Mfr # 105-448
product price:  $107.99
/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
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
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
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
Check Valves (3,500+ items) - Page 27
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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 ValvesRelief ValvesValve PartsPVC Pipe Fittings
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1" dual check valvecheck valve cpvc 1/2"zoeller quiet check valve1/2" npt stainless steelwaste water
parker stainless steel filter1" bronze ball valve2" spring checkplast-o-matic 2" ball valveswagelok brass

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