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  1. Home
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  3. Plumbing
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  5. Pipes, Valves & Fittings
  6. /
  7. Valves
  8. /
  9. Check Valves

Check Valves (3,500+ items) - Page 4

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
Ssi 3" Wafer Flange Cast Iron Silent Check Valve 0300-125WCIBM-T
Ssi

3" Wafer Flange Cast Iron Silent Check Valve

Zoro # G0292756
Mfr # 0300-125WCIBM-T
product price:  $104.99
/ea
Liberty Pumps Check Valve Kit, 4 in H, Plastic K001909
Liberty Pumps

Check Valve Kit, 4 in H, Plastic

Zoro # G900919775
Mfr # K001909
product price:  $44.59
/ea
Campbell 2" FNPT Low Lead Brass Spring Check Valve CV-8TLF
Campbell

2" FNPT Low Lead Brass Spring Check Valve

Zoro # G4725357
Mfr # CV-8TLF
product price:  $109.99
/ea
Zoeller 2" FNPT Cast Iron Full Flow Check Valve 30-0152
Zoeller

2" FNPT Cast Iron Full Flow Check Valve

Zoro # G0559675
Mfr # 30-0152
product price:  $105.99
/ea
Campbell 1" FNPT Low Lead Brass Spring Check Valve CV-4TLF
Campbell

1" FNPT Low Lead Brass Spring Check Valve

Zoro # G4727667
Mfr # CV-4TLF
product price:  $35.59
/ea
Ssi 2" Wafer Flange Cast Iron Silent Check Valve 0200-125WCIBM-T
Ssi

2" Wafer Flange Cast Iron Silent Check Valve

Zoro # G2823816
Mfr # 0200-125WCIBM-T
product price:  $70.99
/ea
Zoeller Silent PVC Full Flow Check Valve 3" 30-0044
Zoeller

Silent PVC Full Flow Check Valve 3"

Zoro # G2358492
Mfr # 30-0044
product price:  $81.79
/ea
Smith-Cooper 3/4" Brass Inline Check Valve 4347003720
Smith-Cooper

3/4" Brass Inline Check Valve

Zoro # G6775787
Mfr # 4347003720
product price:  $20.65
/ea
Nds 2" FNPT PVC Swing Check Valve 1520-20F
Nds

2" FNPT PVC Swing Check Valve

Zoro # G2456666
Mfr # 1520-20F
product price:  $41.35
/ea
Hayward Flow Control Check Valve, True Union, Ball, 2", PVC/FPM, S/T TC10200ST
Hayward Flow Control

Check Valve, True Union, Ball, 2", PVC/FPM, S/T

Zoro # G0369047
Mfr # TC10200ST
product price:  $171.99
/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
Bonomi 2-1/2" NPT Brass Spring Check Valve 100012LF-2-1/2"
Bonomi

2-1/2" NPT Brass Spring Check Valve

Zoro # G2011390
Mfr # 100012LF-2-1/2"
product price:  $191.99
/ea
Sharpe Valves 1" FNPT Forged Carbon Steel Piston Check Valve 4371001530
Sharpe Valves

1" FNPT Forged Carbon Steel Piston Check Valve

Zoro # G1824837
Mfr # 4371001530
product price:  $120.99
/ea
Campbell 3/4" FNPT Lead Free Brass Spring Check Valve 4030E
Campbell

3/4" FNPT Lead Free Brass Spring Check Valve

Zoro # G3005527
Mfr # 4030E
product price:  $43.19
/ea
Discover 1/4 in. Stainless Steel Inline Check Valve 101134
Discover

1/4 in. Stainless Steel Inline Check Valve

Zoro # G815879805
Mfr # 101134
product price:  $28.99
/ea
Smith-Cooper 3" Swing Check Valve 4347002880
Smith-Cooper

3" Swing Check Valve

Zoro # G6775717
Mfr # 4347002880
product price:  $147.99
/ea
Apollo Valves 1/2" FNPT Lead Free Bronze Ball Cone Check Valve 61LF10301
Apollo Valves

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

Zoro # G5151693
Mfr # 61LF10301
product price:  $49.39
/ea
Simmons 1-1/2" NPT Bronze Spring Check Valve 505SB
Simmons

1-1/2" NPT Bronze Spring Check Valve

Zoro # G6292489
Mfr # 505SB
product price:  $83.95
/ea
Zoro Select 1/4" FNPT x MNPT Brass Piston Spring Check Valve CHK BRS 410-4F4M-B
Zoro Select

1/4" FNPT x MNPT Brass Piston Spring Check Valve

Zoro # G2670735
Mfr # CHK BRS 410-4F4M-B
product price:  $19.19
/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
Milwaukee Valve 3/4" FNPT Bronze Swing Check Valve 509 3/4
Milwaukee Valve

3/4" FNPT Bronze Swing Check Valve

Zoro # G0688143
Mfr # 509 3/4
product price:  $60.38
/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
Hayward Flow Control Check Valve, True Union, Ball, 1", CPVC/FPM, S/T TC20100ST
Hayward Flow Control

Check Valve, True Union, Ball, 1", CPVC/FPM, S/T

Zoro # G3015196
Mfr # TC20100ST
product price:  $115.99
/ea
Bonomi 3" NPT Brass Spring Check Valve 100003-3"
Bonomi

3" NPT Brass Spring Check Valve

Zoro # G2011241
Mfr # 100003-3"
product price:  $195.99
/ea
Apollo Valves 1" FNPT Lead Free Bronze Ball Cone Check Valve 61LF10501
Apollo Valves

1" FNPT Lead Free Bronze Ball Cone Check Valve

Zoro # G5153407
Mfr # 61LF10501
product price:  $74.99
/ea
Milwaukee Valve 2" FNPT Bronze Swing Y Check Valve 508 2"
Milwaukee Valve

2" FNPT Bronze Swing Y Check Valve

Zoro # G0842414
Mfr # 508 2"
product price:  $358.99
/ea
Parker Check valve, 2.68 in Overall L A8VC8-MG
Parker

Check valve, 2.68 in Overall L

Zoro # G904319519
Mfr # A8VC8-MG
product price:  $14.19
/ea
Sharpe Valves 3/4" FNPT Forged Carbon Steel Piston Check Valve 4371001520
Sharpe Valves

3/4" FNPT Forged Carbon Steel Piston Check Valve

Zoro # G1741713
Mfr # 4371001520
product price:  $93.19
/ea
Apollo Valves 3/8" FNPT Stainless Steel Ball Cone Spring Check Valve 6210201
Apollo Valves

3/8" FNPT Stainless Steel Ball Cone Spring Check Valve

Zoro # G1732893
Mfr # 6210201
product price:  $93.59
/ea
Dixon 3/4" Brass Safety Check Valve SCVH6
Dixon

3/4" Brass Safety Check Valve

Zoro # G6558408
Mfr # SCVH6
product price:  $103.99
/ea
Plast-O-Matic 1/2" FNPT PVC Disc Check Valve CKM050V-PV
Plast-O-Matic

1/2" FNPT PVC Disc Check Valve

Zoro # G4301613
Mfr # CKM050V-PV
product price:  $119.99
/ea
Zoro Select 2" NPT Brass Swing Check Valve 10F327
Zoro Select

2" NPT Brass Swing Check Valve

Zoro # G4260532
Mfr # 10F327
product price:  $68.99
/ea
Bonomi 1" NPT Stainless Steel Spring Check Valve S800-1"
Bonomi

1" NPT Stainless Steel Spring Check Valve

Zoro # G3769215
Mfr # S800-1"
product price:  $100.99
/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
Zoro Select 1/4" Barb Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4B4B-B
Zoro Select

1/4" Barb Gray PVC Ball Cone Spring Check Valve

Zoro # G2247104
Mfr # PVC CHK 426-4B4B-B
product price:  $17.89
/ea
Check Valves (3,500+ items) - Page 4
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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
Black Pipe FittingsStainless Steel Pipe FittingsCamlock FittingsBrass Pipe FittingsPush-to-Connect Tube Fittings
swagelok brassflange mount check valve2" spring check1" dual check valveparker stainless steel filter
zoeller quiet check valvewaste water1" bronze ball valve1/2" npt stainless steel1/2" inline check valve

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