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

Check Valves (3,500+ items) - Page 6

Zoro Select 3/8" MNPT x FNPT Brass Piston Spring Check Valve CHK BRS 610-6M6F-F
Zoro Select

3/8" MNPT x FNPT Brass Piston Spring Check Valve

Zoro # G2402461
Mfr # CHK BRS 610-6M6F-F
product price:  $27.79
/ea
Milwaukee Valve 1-1/2" FNPT Bronze Swing Y Check Valve 515Y 1 1/2"
Milwaukee Valve

1-1/2" FNPT Bronze Swing Y Check Valve

Zoro # G4208617
Mfr # 515Y 1 1/2"
product price:  $234.41
/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
Smith-Cooper 2" Swing Check Valve 4347002860
Smith-Cooper

2" Swing Check Valve

Zoro # G6775699
Mfr # 4347002860
product price:  $55.95
/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
Hayward Flow Control Check Valve, True Union, Ball, 2", CPVC/FPM, S/T TC20200ST
Hayward Flow Control

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

Zoro # G1158202
Mfr # TC20200ST
product price:  $266.99
/ea
Bonomi 2" NPT Stainless Steel Spring Check Valve S800-2"
Bonomi

2" NPT Stainless Steel Spring Check Valve

Zoro # G3769188
Mfr # S800-2"
product price:  $266.99
/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:  $94.29
/ea
Bonomi 1-1/4" NPT Brass Spring Check Valve 100003-1-1/4"
Bonomi

1-1/4" NPT Brass Spring Check Valve

Zoro # G2011287
Mfr # 100003-1-1/4"
product price:  $33.49
/ea
Dixon Safety Check Valve, 3/4", 180-200 SCFM SCVH6
Dixon

Safety Check Valve, 3/4", 180-200 SCFM

Zoro # G6558408
Mfr # SCVH6
product price:  $107.99
/ea
Milwaukee Valve 1" Threaded Low Lead Bronze Swing Check Valve UP509 1
Milwaukee Valve

1" Threaded Low Lead Bronze Swing Check Valve

Zoro # G2641843
Mfr # UP509 1
product price:  $117.99
/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
Milwaukee Valve Swing Y Check Valve, 3.6875 in Overall L 507 1
Milwaukee Valve

Swing Y Check Valve, 3.6875 in Overall L

Zoro # G0846343
Mfr # 507 1
product price:  $146.36
/ea
Pneumadyne Check Valve, 1.3125 in Overall L C050501
Pneumadyne

Check Valve, 1.3125 in Overall L

Zoro # G4268887
Mfr # C050501
product price:  $11.79
/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:  $182.99
/ea
Zoro Select 3/8" MNPT Brass Piston Spring Check Valve CHK BRS 610-6M6M-B
Zoro Select

3/8" MNPT Brass Piston Spring Check Valve

Zoro # G1031432
Mfr # CHK BRS 610-6M6M-B
product price:  $23.69
/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
Bonomi 1/4" NPT Stainless Steel Spring Check Valve S800-1/4"
Bonomi

1/4" NPT Stainless Steel Spring Check Valve

Zoro # G3769258
Mfr # S800-1/4"
product price:  $52.99
/ea
Zoro Select 1/2" MNPT Brass Piston Spring Check Valve CHK BRS 810-8M8M-B
Zoro Select

1/2" MNPT Brass Piston Spring Check Valve

Zoro # G1516076
Mfr # CHK BRS 810-8M8M-B
product price:  $30.29
/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
Smith-Cooper Check Valve, 2", 316, Thrd 200 4373002170
Smith-Cooper

Check Valve, 2", 316, Thrd 200

Zoro # G1461813
Mfr # 4373002170
product price:  $159.99
/ea
Bonomi 1-1/2" NPT Brass Spring Check Valve 100012LF-1-1/2"
Bonomi

1-1/2" NPT Brass Spring Check Valve

Zoro # G2011418
Mfr # 100012LF-1-1/2"
product price:  $83.15
/ea
Jackel 1-1/4 in. or 1-1/2 in. D Slip PVC Check Valve DJ545
Jackel

1-1/4 in. or 1-1/2 in. D Slip PVC Check Valve

Zoro # G105302853
Mfr # DJ545
product price:  $13.25
/ea
Campbell Brady 1-1/4 In. Acetal Polymer Spring Loaded Check Valve SLC-125
Campbell

Brady 1-1/4 In. Acetal Polymer Spring Loaded Check Valve

Zoro # G911335847
Mfr # SLC-125
product price:  $27.25
/ea
Zoro Select Swing Check Valve, 3.1563 in Overall L 10F303
Zoro Select

Swing Check Valve, 3.1563 in Overall L

Zoro # G4260234
Mfr # 10F303
product price:  $47.55
/ea
Legend Valve 1-1/2" S-611 PVC CHECK VALVE 203-207
Legend Valve

1-1/2" S-611 PVC CHECK VALVE

Zoro # G1774257
Mfr # 203-207
product price:  $15.95
/ea
Zoro Select 3/8" FNPT Brass Poppet Spring Check Valve CHK BRS 650-6F6F-B
Zoro Select

3/8" FNPT Brass Poppet Spring Check Valve

Zoro # G2511905
Mfr # CHK BRS 650-6F6F-B
product price:  $25.49
/ea
Milwaukee Valve Swing Y Check Valve, 5.875 in Overall L 507 2
Milwaukee Valve

Swing Y Check Valve, 5.875 in Overall L

Zoro # G3233431
Mfr # 507 2
product price:  $371.52
/ea
Zoeller Check Valve with Ball Valve and Union 30-0101
Zoeller

Check Valve with Ball Valve and Union

Zoro # G0865356
Mfr # 30-0101
product price:  $54.75
/ea
Zoro Select 3/8" NPT Stainless Steel Swing Check Valve 4VMT8
Zoro Select

3/8" NPT Stainless Steel Swing Check Valve

Zoro # G3334362
Mfr # 4VMT8
product price:  $77.55
/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
Zoro Select 3/8" FNPT Brass Piston Spring Check Valve CHK BRS 615-6F6F-F
Zoro Select

3/8" FNPT Brass Piston Spring Check Valve

Zoro # G1535143
Mfr # CHK BRS 615-6F6F-F
product price:  $35.89
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1-1/2", CPVC/FPM, S/T TC20150ST
Hayward Flow Control

Check Valve, True Union, Ball, 1-1/2", CPVC/FPM, S/T

Zoro # G2747306
Mfr # TC20150ST
product price:  $200.99
/ea
Delavan Fluid Power Hydraulic Check Valve, 30 gpm, Steel DAPOCV-60-210-SAE10
Delavan Fluid Power

Hydraulic Check Valve, 30 gpm, Steel

Zoro # G211222670
Mfr # DAPOCV-60-210-SAE10
product price:  $120.99
/ea
Nds Swing Check Valve, 4.5938 in Overall L 1520-05
Nds

Swing Check Valve, 4.5938 in Overall L

Zoro # G2132916
Mfr # 1520-05
product price:  $14.49
/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
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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Stainless Steel Pipe FittingsBlack Pipe FittingsBrass Pipe FittingsCamlock FittingsPush-to-Connect Tube Fittings
stainless springscheck valve inlineparker stainless steel filtercheck valve 1/8in tank check valve
check valve control checkflange mount check valveswagelok brassplast-o-matic 2" ball valve2.5 inch check valve

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