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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 8

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
Zoro Select 1-1/4" NPT Stainless Steel Swing Check Valve 4VMU3
Zoro Select

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

Zoro # G1310163
Mfr # 4VMU3
product price:  $92.75
/ea
Bonomi 2-1/2" NPT Brass Spring Check Valve 100003-2-1/2"
Bonomi

2-1/2" NPT Brass Spring Check Valve

Zoro # G2011250
Mfr # 100003-2-1/2"
product price:  $139.99
/ea
Nds Swing Check Valve, 4.5938 in Overall L 1520-05F
Nds

Swing Check Valve, 4.5938 in Overall L

Zoro # G2702822
Mfr # 1520-05F
product price:  $15.19
/ea
Zoro Select 1/8" FNPT Brass Piston Spring Check Valve CHK BRS 215-2F2F-F
Zoro Select

1/8" FNPT Brass Piston Spring Check Valve

Zoro # G1860381
Mfr # CHK BRS 215-2F2F-F
product price:  $20.49
/ea
Milwaukee Valve 1-1/2" Threaded Low Lead Bronze Spring Check Valve UP509 1 1/2
Milwaukee Valve

1-1/2" Threaded Low Lead Bronze Spring Check Valve

Zoro # G2577391
Mfr # UP509 1 1/2
product price:  $197.10
/ea
Zoro Select 1/4" MNPT x FNPT Brass Piston Spring Check Valve CHK BRS 410-4M4F-F
Zoro Select

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

Zoro # G1415303
Mfr # CHK BRS 410-4M4F-F
product price:  $22.19
/ea
Zoro Select Swing Check Valve, 2.0625 in Overall L 10F288
Zoro Select

Swing Check Valve, 2.0625 in Overall L

Zoro # G4275302
Mfr # 10F288
product price:  $26.45
/ea
Val-Matic 3" Flanged Cast Iron Silent Check Valve 1803A-DSY
Val-Matic

3" Flanged Cast Iron Silent Check Valve

Zoro # G1605956
Mfr # 1803A-DSY
product price:  $817.99
/ea
Watts 3/8" Male Flare Stainless Steel Dual Check Valve SD2-MF 3/8"
Watts

3/8" Male Flare Stainless Steel Dual Check Valve

Zoro # G3188096
Mfr # SD2-MF 3/8"
product price:  $240.10
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1-1/4", PVC/EPDM, S/T TC10125STE
Hayward Flow Control

Check Valve, True Union, Ball, 1-1/4", PVC/EPDM, S/T

Zoro # G3314927
Mfr # TC10125STE
product price:  $122.99
/ea
Asahi Ball Check Valve, 6.7656 in Overall L 1210020
Asahi

Ball Check Valve, 6.7656 in Overall L

Zoro # G6162217
Mfr # 1210020
product price:  $164.99
/ea
Keckley 2-1/2" Cast Iron Wafer Check Valve DD1F-CI-34136-250
Keckley

2-1/2" Cast Iron Wafer Check Valve

Zoro # G1613230
Mfr # DD1F-CI-34136-250
product price:  $140.99
/ea
Milwaukee Valve 3" Flanged Cast Steel Swing Check Valve 1570 CB2 3"
Milwaukee Valve

3" Flanged Cast Steel Swing Check Valve

Zoro # G1326175
Mfr # 1570 CB2 3"
product price:  $552.99
/ea
Milwaukee Valve Swing Check Valve, 2.625 in Overall L 510T 3/4
Milwaukee Valve

Swing Check Valve, 2.625 in Overall L

Zoro # G2143793
Mfr # 510T 3/4
product price:  $94.18
/ea
Mecline Check Valve, 2.3281 in Overall L CV3-40038
Mecline

Check Valve, 2.3281 in Overall L

Zoro # G5529456
Mfr # CV3-40038
product price:  $33.49
/ea
Nds Swing Check Valve, 5.125 in Overall L 1520-12F
Nds

Swing Check Valve, 5.125 in Overall L

Zoro # G0377404
Mfr # 1520-12F
product price:  $24.49
/ea
Dixon 1/2" FNPT Brass Spring Loaded Check Valve CV050
Dixon

1/2" FNPT Brass Spring Loaded Check Valve

Zoro # G6548276
Mfr # CV050
product price:  $16.79
/ea
Watts 3/4" Press Brass Dual Check Valve 3/4 9DM2-PRESS
Watts

3/4" Press Brass Dual Check Valve

Zoro # G4016350
Mfr # 3/4 9DM2-PRESS
product price:  $162.99
/ea
Milwaukee Valve Swing Check Valve, 3.25 in Overall L 509 1
Milwaukee Valve

Swing Check Valve, 3.25 in Overall L

Zoro # G2746353
Mfr # 509 1
product price:  $80.86
/ea
Milwaukee Valve Swing Check Valve, 3.5625 in Overall L 509 1 1/4
Milwaukee Valve

Swing Check Valve, 3.5625 in Overall L

Zoro # G2431895
Mfr # 509 1 1/4
product price:  $112.58
/ea
Zoro Select Swing Check Valve, 2.0625 in Overall L 10F322
Zoro Select

Swing Check Valve, 2.0625 in Overall L

Zoro # G4314563
Mfr # 10F322
product price:  $13.29
/ea
Plast-O-Matic Check Valve, 4.7188 in Overall L CKM100V-PV
Plast-O-Matic

Check Valve, 4.7188 in Overall L

Zoro # G4078261
Mfr # CKM100V-PV
product price:  $159.99
/ea
Val-Matic 4" Flanged Cast Iron Silent Check Valve 1804A-DSY
Val-Matic

4" Flanged Cast Iron Silent Check Valve

Zoro # G3051361
Mfr # 1804A-DSY
product price:  $1,071.99
/ea
Discover 1 in. Stainless Steel Spring Check Valve 102660
Discover

1 in. Stainless Steel Spring Check Valve

Zoro # G715879844
Mfr # 102660
product price:  $19.69
/ea
Keckley 3" Stainless Steel Wafer Check Valve DD2R-36-364IX-300
Keckley

3" Stainless Steel Wafer Check Valve

Zoro # G1612235
Mfr # DD2R-36-364IX-300
product price:  $754.99
/ea
Liberty Pumps 2" FNPT Cast Iron High Temp. Swing Check Valve HCV200
Liberty Pumps

2" FNPT Cast Iron High Temp. Swing Check Valve

Zoro # G3448496
Mfr # HCV200
product price:  $83.99
/ea
Zoro Select 1/8" FNPT x MNPT Stainless Steel Piston Spring Check Valve CHK SST 210-2F2M-F
Zoro Select

1/8" FNPT x MNPT Stainless Steel Piston Spring Check Valve

Zoro # G0294682
Mfr # CHK SST 210-2F2M-F
product price:  $29.59
/ea
Milwaukee Valve Swing Y Check Valve, 3.6875 in Overall L 508 1"
Milwaukee Valve

Swing Y Check Valve, 3.6875 in Overall L

Zoro # G1262493
Mfr # 508 1"
product price:  $127.93
/ea
Dixon 3" FNPT Brass Horizontal Swing Check Valve SWCV300
Dixon

3" FNPT Brass Horizontal Swing Check Valve

Zoro # G6549335
Mfr # SWCV300
product price:  $200.99
/ea
Sharpe Valves 1/2" FNPT Forged Carbon Steel Piston Check Valve 4371001510
Sharpe Valves

1/2" FNPT Forged Carbon Steel Piston Check Valve

Zoro # G1537706
Mfr # 4371001510
product price:  $83.99
/ea
Apollo Valves 1-1/2" FNPT Lead Free Bronze Ball Cone Check Valve 61LF10701
Apollo Valves

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

Zoro # G5151763
Mfr # 61LF10701
product price:  $167.99
/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
Campbell Brady 3/4'' Acetal Polymer Spring-Loaded Check Valve SLC-75
Campbell

Brady 3/4'' Acetal Polymer Spring-Loaded Check Valve

Zoro # G121872156
Mfr # SLC-75
product price:  $10.99
/ea
Apollo Valves 2" FNPT Lead Free Bronze Ball Cone Check Valve 61LF10801
Apollo Valves

2" FNPT Lead Free Bronze Ball Cone Check Valve

Zoro # G5151781
Mfr # 61LF10801
product price:  $277.99
/ea
Sloan Sweat Kit, End Connection, 1", Chrome H-634-AA
Sloan

Sweat Kit, End Connection, 1", Chrome

Zoro # G1200234
Mfr # H-634-AA
product price:  $18.85
/ea
Check Valves (3,500+ items) - Page 8
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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
Black Pipe FittingsStainless Steel Pipe FittingsBrass Pipe FittingsCamlock FittingsPipe & Tube Clamps
1/2" npt stainless steel3" cast iron trapzoeller quiet check valveplast-o-matic 2" ball valve2.5 inch check valve
check valve 1/8in tank check valveparker stainless steel filtercheck valve control checkflange mount check valve

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