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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 6

Keckley 2" Cast Iron Wafer Check Valve DD1F-CI-34136-200
Keckley

2" Cast Iron Wafer Check Valve

Zoro # G1612129
Mfr # DD1F-CI-34136-200
product price: 
$147.99
/ea
Apollo Valves 1" FNPT Bronze Dual Check Valve 4ALF3A55A
Apollo Valves

1" FNPT Bronze Dual Check Valve

Zoro # G3880661
Mfr # 4ALF3A55A
product price: 
$72.79
/ea
Zoro Select 1-1/2" NPT Stainless Steel Swing Check Valve 4VMU4
Zoro Select

1-1/2" NPT Stainless Steel Swing Check Valve

Zoro # G3278046
Mfr # 4VMU4
product price: 
$185.99
/ea
Bonomi 1-1/2" NPT Brass Spring Check Valve 100003-1-1/2"
Bonomi

1-1/2" NPT Brass Spring Check Valve

Zoro # G2011278
Mfr # 100003-1-1/2"
product price: 
$50.99
/ea
Ssi 2-1/2" Wafer Flange Cast Iron Silent Check Valve 0250-125WCIBM-T
Ssi

2-1/2" Wafer Flange Cast Iron Silent Check Valve

Zoro # G0663241
Mfr # 0250-125WCIBM-T
product price: 
$84.15
/ea
Apollo Valves 3/4" Press Lead Free Bronze Swing Check Valve 61YLF204T1PR
Apollo Valves

3/4" Press Lead Free Bronze Swing Check Valve

Zoro # G4652295
Mfr # 61YLF204T1PR
product price: 
$138.99
/ea
Zoeller Silent Combo Swing Check Valve 1-1/2" 30-0046
Zoeller

Silent Combo Swing Check Valve 1-1/2"

Zoro # G3654673
Mfr # 30-0046
product price: 
$58.39
/ea
Campbell 1-1/2" FNPT Low Lead Brass Spring Check Valve CV-6TLF
Campbell

1-1/2" FNPT Low Lead Brass Spring Check Valve

Zoro # G4744923
Mfr # CV-6TLF
product price: 
$66.49
/ea
Legend Valve Check Valve, S-611, 1-1/2 in, Solvent x Solvent, Stainless Steel 203-207
Legend Valve

Check Valve, S-611, 1-1/2 in, Solvent x Solvent, Stainless Steel

Zoro # G1774257
Mfr # 203-207
product price: 
$15.95
/ea
Milwaukee Valve Swing Check Valve, 509 Series, 2 in, FNPT x FNPT, Bronze Body 509 2
Milwaukee Valve

Swing Check Valve, 509 Series, 2 in, FNPT x FNPT, Bronze Body

Zoro # G0390117
Mfr # 509 2
product price: 
$195.49
/ea
Val-Matic 4" Flanged Cast Iron Swing Flex Check Valve 504A-DB6F
Val-Matic

4" Flanged Cast Iron Swing Flex Check Valve

Zoro # G0472482
Mfr # 504A-DB6F
product price: 
$1,186.99
/ea
Smith-Cooper 2" Swing Check Valve 4347002860
Smith-Cooper

2" Swing Check Valve

Zoro # G6775699
Mfr # 4347002860
product price: 
$55.95
/ea
Zoro Select Swing Check Valve, Inline, 3/8 in, FNPT x FNPT, Bronze Body 10F289
Zoro Select

Swing Check Valve, Inline, 3/8 in, FNPT x FNPT, Bronze Body

Zoro # G4284551
Mfr # 10F289
product price: 
$22.19
/ea
Milwaukee Valve 3/4" FNPT Bronze Swing Y Check Valve 515Y 3/4"
Milwaukee Valve

3/4" FNPT Bronze Swing Y Check Valve

Zoro # G3908676
Mfr # 515Y 3/4"
product price: 
$101.26
/ea
Smith-Cooper 3/4" Swing Check Valve 4347002820
Smith-Cooper

3/4" Swing Check Valve

Zoro # G6775653
Mfr # 4347002820
product price: 
$10.39
/ea
Zoro Select 3/4" FNPT Ball Cone Spring Check Valve FP CHK 687-12F12F-B
Zoro Select

3/4" FNPT Ball Cone Spring Check Valve

Zoro # G2334272
Mfr # FP CHK 687-12F12F-B
product price: 
$22.19
/ea
Dixon Safety Check Valve, 3/4 in Pipe Size, NPT, Brass, 350 psi SCVH6
Dixon

Safety Check Valve, 3/4 in Pipe Size, NPT, Brass, 350 psi

Zoro # G6558408
Mfr # SCVH6
product price: 
$107.99
/ea
Zoro Select 1/2" FNPT x MNPT Brass Piston Spring Check Valve CHK BRS 810-8F8M-F
Zoro Select

1/2" FNPT x MNPT Brass Piston Spring Check Valve

Zoro # G2637004
Mfr # CHK BRS 810-8F8M-F
product price: 
$34.59
/ea
Smith-Cooper 4" Swing Check Valve 4347002890
Smith-Cooper

4" Swing Check Valve

Zoro # G6775662
Mfr # 4347002890
product price: 
$236.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3", PVC/FPM, Socket TC1300S
Hayward Flow Control

Check Valve, True Union, Ball, 3", PVC/FPM, Socket

Zoro # G3387824
Mfr # TC1300S
product price: 
$422.99
/ea
Watts 1" FNPT Bronze Dual Check Valve 1 LF7 U2-2
Watts

1" FNPT Bronze Dual Check Valve

Zoro # G5276345
Mfr # 1 LF7 U2-2
product price: 
$111.59
/ea
Dixon 2" FNPT Brass Spring Loaded Check Valve CV200
Dixon

2" FNPT Brass Spring Loaded Check Valve

Zoro # G6546517
Mfr # CV200
product price: 
$89.79
/ea
Apollo Valves 3" FNPT Bronze Ball Cone Spring Check Valve 6110001
Apollo Valves

3" FNPT Bronze Ball Cone Spring Check Valve

Zoro # G2845236
Mfr # 6110001
product price: 
$931.99
/ea
Zoro Select 1/4" Barb White Nylon Ball Cone Spring Check Valve WN CHK 695-4B4B-F
Zoro Select

1/4" Barb White Nylon Ball Cone Spring Check Valve

Zoro # G2985272
Mfr # WN CHK 695-4B4B-F
product price: 
$7.39
/ea
Viega 3/4" X 3/4" Press Low Lead Bronze Spring Check Valve 79040
Viega

3/4" X 3/4" Press Low Lead Bronze Spring Check Valve

Zoro # G2517681
Mfr # 79040
product price: 
$42.49
/ea
Milwaukee Valve 2-1/2" Flanged Cast Iron Swing Check Valve 2974-M 2 1/2
Milwaukee Valve

2-1/2" Flanged Cast Iron Swing Check Valve

Zoro # G0656336
Mfr # 2974-M 2 1/2
product price: 
$363.48
/ea
Grundfos 3-Speed Circulator Pump, Stainless Steel UPS26-99SF
Grundfos

3-Speed Circulator Pump, Stainless Steel

Zoro # G6902525
Mfr # UPS26-99SF
product price: 
$1,309.99
/ea
Smith-Cooper 2-1/2" Swing Check Valve 4347002870
Smith-Cooper

2-1/2" Swing Check Valve

Zoro # G6775723
Mfr # 4347002870
product price: 
$73.49
/ea
Zoro Select Swing Check Valve, 2 in, FNPT x FNPT, Inline Swing, Brass Body 10F327
Zoro Select

Swing Check Valve, 2 in, FNPT x FNPT, Inline Swing, Brass Body

Zoro # G4260532
Mfr # 10F327
product price: 
$70.19
/ea
Asahi Ball Check Valve, Inline, 1 in, Union Socket x Union Socket, PVC Body, EPDM Seat/Seal 1210010
Asahi

Ball Check Valve, Inline, 1 in, Union Socket x Union Socket, PVC Body, EPDM Seat/Seal

Zoro # G6162235
Mfr # 1210010
product price: 
$71.19
/ea
Zoro Select 1/4" MNPT Brass Piston Spring Check Valve CHK BRS 410-4M4M-B
Zoro Select

1/4" MNPT Brass Piston Spring Check Valve

Zoro # G1671415
Mfr # CHK BRS 410-4M4M-B
product price: 
$20.39
/ea
Campbell 1-1/2" FNPT Lead Free Brass Spring Check Valve 4033E
Campbell

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

Zoro # G3259462
Mfr # 4033E
product price: 
$117.99
/ea
Apollo Valves 1/4" FNPT Lead Free Bronze Ball Cone Check Valve 61LF10101
Apollo Valves

1/4" FNPT Lead Free Bronze Ball Cone Check Valve

Zoro # G5153391
Mfr # 61LF10101
product price: 
$47.39
/ea
Bonomi 1-1/4" NPT Stainless Steel Spring Check Valve S800-11/4"
Bonomi

1-1/4" NPT Stainless Steel Spring Check Valve

Zoro # G3769206
Mfr # S800-11/4"
product price: 
$154.99
/ea
Pneumadyne Check Valve, Inline, 1/8 in FNPT x FNPT, Brass/Electroless Nickel, 0.5 psi Cracking Pressure C050501
Pneumadyne

Check Valve, Inline, 1/8 in FNPT x FNPT, Brass/Electroless Nickel, 0.5 psi Cracking Pressure

Zoro # G4268887
Mfr # C050501
product price: 
$11.79
/ea
Milwaukee Valve Swing Y Check Valve, 507 Series, 2 in, FNPT x FNPT, Y-Style, Bronze 507 2
Milwaukee Valve

Swing Y Check Valve, 507 Series, 2 in, FNPT x FNPT, Y-Style, Bronze

Zoro # G3233431
Mfr # 507 2
product price: 
$371.52
/ea
Check Valves (3,500+ items) - Page 6
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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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check valve control checkflange mount check valveswagelok brassplast-o-matic 2" ball valve2.5 inch check valve

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