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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 13

Zoro Select 1-1/2" Socket Weld Stainless Steel Swing Check Valve 4VMV5
Zoro Select

1-1/2" Socket Weld Stainless Steel Swing Check Valve

Zoro # G2903031
Mfr # 4VMV5
product price:  $123.99
/ea
Wilkins Dual Check Valve, Bronze, 3/4", MNPTxFNPT 34MX34UF-700XL
Wilkins

Dual Check Valve, Bronze, 3/4", MNPTxFNPT

Zoro # G4452411
Mfr # 34MX34UF-700XL
product price:  $121.99
/ea
Apollo Valves 1/2" FNPT Lead Free Bronze Ball Cone Check Valve 61LF50301
Apollo Valves

1/2" FNPT Lead Free Bronze Ball Cone Check Valve

Zoro # G5298815
Mfr # 61LF50301
product price:  $48.79
/ea
Ham-Let Instrumentation Check Valve H-400HP-SS-L-3/8-1/3PSI
Ham-Let

Instrumentation Check Valve

Zoro # G508258832
Mfr # H-400HP-SS-L-3/8-1/3PSI
product price:  $158.99
/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
No Product Image Available
Val-Matic

10" Flanged Cast Iron Swing Flex Check Valve

Zoro # G2128253
Mfr # 510A-DB6F
product price:  $5,027.99
/ea
American Valve Schedule 80 PVC True Union Ball Check Valve P460U 1/2''
American Valve

Schedule 80 PVC True Union Ball Check Valve

Zoro # G715189721
Mfr # P460U 1/2''
product price:  $44.79
/ea
Bonomi 2" NPT Stainless Steel Spring Check Valve S250-2"
Bonomi

2" NPT Stainless Steel Spring Check Valve

Zoro # G6036718
Mfr # S250-2"
product price:  $133.99
/ea
Jomar Valve 2" NPT Lead Free Brass Spring Check Valve T-521G
Jomar Valve

2" NPT Lead Free Brass Spring Check Valve

Zoro # G7077099
Mfr # T-521G
product price:  $122.99
/ea
Jomar Valve 1-1/2" NPT Lead Free Brass Spring Check Valve T-521G
Jomar Valve

1-1/2" NPT Lead Free Brass Spring Check Valve

Zoro # G7081186
Mfr # T-521G
product price:  $73.39
/ea
Dayton 3" MNPT x FNPT Ductile Iron Spring Check Valve 4RK70
Dayton

3" MNPT x FNPT Ductile Iron Spring Check Valve

Zoro # G2192872
Mfr # 4RK70
product price:  $387.99
/ea
Milwaukee Valve 3/4" Solder Low Lead Bronze Spring Check Valve UP1548T 3/4
Milwaukee Valve

3/4" Solder Low Lead Bronze Spring Check Valve

Zoro # G2891323
Mfr # UP1548T 3/4
product price:  $65.39
/ea
Apollo Valves 1" Swivel x FNPT Lead Free Bronze Dual Check Valve 4NLF3S65A
Apollo Valves

1" Swivel x FNPT Lead Free Bronze Dual Check Valve

Zoro # G5151675
Mfr # 4NLF3S65A
product price:  $156.99
/ea
Legend Valve 2" S-613 SUMP CHECK VLV 203-228
Legend Valve

2" S-613 SUMP CHECK VLV

Zoro # G2836446
Mfr # 203-228
product price:  $45.09
/ea
Ssi 4" Flanged Cast Iron Triple Duty Check Valve 0400-125TFI-B
Ssi

4" Flanged Cast Iron Triple Duty Check Valve

Zoro # G2219603
Mfr # 0400-125TFI-B
product price:  $597.99
/ea
Asahi Swing Check Valve, 6.2969 in Overall L 1201010
Asahi

Swing Check Valve, 6.2969 in Overall L

Zoro # G6162348
Mfr # 1201010
product price:  $561.99
/ea
Champion 6" Flanged Stainless Steel Wafer Check Valve 6SDS15-SSP-R
Champion

6" Flanged Stainless Steel Wafer Check Valve

Zoro # G7344298
Mfr # 6SDS15-SSP-R
product price:  $793.99
/ea
Asahi 4" Flanged Ball Check Valve, Material of Construction: PVC 1212040
Asahi

4" Flanged Ball Check Valve, Material of Construction: PVC

Zoro # G6193901
Mfr # 1212040
product price:  $745.99
/ea
Steel & Obrien 2" Tri-Clamp End Ball Type Check Valve - Ptfe Ball - 316SS 45BYMP-2-316
Steel & Obrien

2" Tri-Clamp End Ball Type Check Valve - Ptfe Ball - 316SS

Zoro # G5412843
Mfr # 45BYMP-2-316
product price:  $516.99
/ea
Discover 1-1/4 in. Stainless Steel Swing Check Valve 316SS 102576
Discover

1-1/4 in. Stainless Steel Swing Check Valve 316SS

Zoro # G015879711
Mfr # 102576
product price:  $54.15
/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:  $309.99
/ea
Hayward Flow Control Wafer Check Valve, 2.9063 in Overall L WCV1400E
Hayward Flow Control

Wafer Check Valve, 2.9063 in Overall L

Zoro # G4993947
Mfr # WCV1400E
product price:  $599.99
/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:  $303.99
/ea
Chicago Valves And Controls 2", Stainless Steel Class 150 Flanged Swing Check Valve 41611020
Chicago Valves And Controls

2", Stainless Steel Class 150 Flanged Swing Check Valve

Zoro # G9158942
Mfr # 41611020
product price:  $661.99
/ea
Bonomi North America 3in LEAD FREE HIGH FLOW RATE IN-LINE SPRING LOADED CHECK VALVE 100012LF-3
Bonomi North America

3in LEAD FREE HIGH FLOW RATE IN-LINE SPRING LOADED CHECK VALVE

Zoro # G511494227
Mfr # 100012LF-3
product price:  $229.99
/ea
Keckley Wafer Check Vlv, Cast Iron, B62 Seat, 6" 6CW1F-CI-B2334
Keckley

Wafer Check Vlv, Cast Iron, B62 Seat, 6"

Zoro # G3818932
Mfr # 6CW1F-CI-B2334
product price:  $687.99
/ea
No Product Image Available
Keckley

6" Flanged Flanged Triple Duty Valve

Zoro # G3819912
Mfr # TDV-600
product price:  $1,733.99
/ea
Ssi 5" Wafer Flange Cast Iron Silent Check Valve 0500-125WCITM-T
Ssi

5" Wafer Flange Cast Iron Silent Check Valve

Zoro # G1350955
Mfr # 0500-125WCITM-T
product price:  $306.99
/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:  $142.99
/ea
Vne Air Blow Check Valve, 10 in Overall L EG62C-6L1.5-.5
Vne

Air Blow Check Valve, 10 in Overall L

Zoro # G308363156
Mfr # EG62C-6L1.5-.5
product price:  $321.99
/ea
Milwaukee Valve 1-1/4" FNPT Bronze Swing Y Check Valve 515Y 1 1/4"
Milwaukee Valve

1-1/4" FNPT Bronze Swing Y Check Valve

Zoro # G4191774
Mfr # 515Y 1 1/4"
product price:  $176.10
/ea
Proline Series Check Inline Valve, PVC, Ips 3/4" 101-104
Proline Series

Check Inline Valve, PVC, Ips 3/4"

Zoro # G7817446
Mfr # 101-104
product price:  $3.85
/ea
Sold in mult. of 10 for $38.50
Hayward Flow Control Y-Check Valve, 4", PVC/FPM, Socket YC10400S
Hayward Flow Control

Y-Check Valve, 4", PVC/FPM, Socket

Zoro # G6739415
Mfr # YC10400S
product price:  $1,025.99
/ea
Hayward Flow Control Y-Check Valve, 3", PVC/FPM, Threaded YC10300T
Hayward Flow Control

Y-Check Valve, 3", PVC/FPM, Threaded

Zoro # G7095663
Mfr # YC10300T
product price:  $705.54
/ea
Hayward Flow Control Check Valve, True Union, Ball, 4", CPVC/EPDM, Flanged TC2400FE
Hayward Flow Control

Check Valve, True Union, Ball, 4", CPVC/EPDM, Flanged

Zoro # G2756521
Mfr # TC2400FE
product price:  $1,601.99
/ea
Discover 1-1/4 in. Stainless Steel Swing Check Valve 102649
Discover

1-1/4 in. Stainless Steel Swing Check Valve

Zoro # G315879817
Mfr # 102649
product price:  $28.35
/ea
Check Valves (3,500+ items) - Page 13
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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
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1/2" npt stainless steelstainless springs2.5 inch check valveswagelok brassplast-o-matic 2" ball valve
in tank check valveflange mount check valvecheck valve 1/8parker stainless steel filtercheck valve control check

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