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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 2

Smith-Cooper 1" Brass Inline Check Valve 4347003740
Smith-Cooper

1" Brass Inline Check Valve

Zoro # G6775811
Mfr # 4347003740
product price:  $18.69
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1/2", PVC/EPDM, S/T TC10050STE
Hayward Flow Control

Check Valve, True Union, Ball, 1/2", PVC/EPDM, S/T

Zoro # G0655584
Mfr # TC10050STE
product price:  $46.85
/ea
Parker 1/4" Push Acetal Ball Check Valve A4VC4-MG
Parker

1/4" Push Acetal Ball Check Valve

Zoro # G3105313
Mfr # A4VC4-MG
product price:  $13.79
/ea
Keckley 3" Cast Iron Wafer Check Valve DD1F-CI-34136-300
Keckley

3" Cast Iron Wafer Check Valve

Zoro # G1613075
Mfr # DD1F-CI-34136-300
product price:  $152.99
/ea
Magic 1-1/2" Slip Clear PVC Silent Check Valve B-0823-15C
Magic

1-1/2" Slip Clear PVC Silent Check Valve

Zoro # G2364391
Mfr # B-0823-15C
product price:  $35.69
/ea
Zoeller Silent Check Valve, 10.75 in Overall L 30-0042
Zoeller

Silent Check Valve, 10.75 in Overall L

Zoro # G0880092
Mfr # 30-0042
product price:  $39.95
/ea
Legend Valve 1-1/4"/1-1/2" S-614 PVC CHECK 203-237
Legend Valve

1-1/4"/1-1/2" S-614 PVC CHECK

Zoro # G2836787
Mfr # 203-237
product price:  $15.25
/ea
Zoeller 2" Slip PVC Full Flow Check Valve 30-0021
Zoeller

2" Slip PVC Full Flow Check Valve

Zoro # G3150472
Mfr # 30-0021
product price:  $45.99
/ea
Bonomi 1/2" NPT Brass Spring Check Valve 100003-1/2"
Bonomi

1/2" NPT Brass Spring Check Valve

Zoro # G2425057
Mfr # 100003-1/2"
product price:  $12.39
/ea
Zoro Select 1-1/2" NPT Bronze Spring Check Valve 6AJY5
Zoro Select

1-1/2" NPT Bronze Spring Check Valve

Zoro # G1857256
Mfr # 6AJY5
product price:  $46.85
/ea
Zoro Select Swing Check Valve, 2.6875 in Overall L 6VDT5
Zoro Select

Swing Check Valve, 2.6875 in Overall L

Zoro # G3747186
Mfr # 6VDT5
product price:  $22.75
/ea
Zoro Select 3/4" FNPT Ball Cone Spring Check Valve FP CHK 687-12F12F-F
Zoro Select

3/4" FNPT Ball Cone Spring Check Valve

Zoro # G3409612
Mfr # FP CHK 687-12F12F-F
product price:  $22.19
/ea
Watts Dual Check Valve, Copper Alloy, 1/2", FNPT LF7RU2-2
Watts

Dual Check Valve, Copper Alloy, 1/2", FNPT

Zoro # G7642910
Mfr # LF7RU2-2
product price:  $96.29
/ea
Campbell 1-1/4" FNPT Lead Free Brass Spring Check Valve 4062EVFD
Campbell

1-1/4" FNPT Lead Free Brass Spring Check Valve

Zoro # G1909345
Mfr # 4062EVFD
product price:  $88.69
/ea
Zoro Select Swing Check Valve, 3.25 in Overall L 6VDT7
Zoro Select

Swing Check Valve, 3.25 in Overall L

Zoro # G3745585
Mfr # 6VDT7
product price:  $48.19
/ea
American Valve Schedule 80 PVC Swing Check Foot Valve Socket P430S 4''
American Valve

Schedule 80 PVC Swing Check Foot Valve Socket

Zoro # G815189706
Mfr # P430S 4''
product price:  $186.99
/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
Zoro Select Swing Check Valve, 2.8438 in Overall L 10F324
Zoro Select

Swing Check Valve, 2.8438 in Overall L

Zoro # G4262447
Mfr # 10F324
product price:  $16.65
/ea
Bonomi 1/2" NPT Stainless Steel Spring Check Valve S800-1/2"
Bonomi

1/2" NPT Stainless Steel Spring Check Valve

Zoro # G3769230
Mfr # S800-1/2"
product price:  $59.45
/ea
Zoro Select 3/8" MNPT x FNPT Brass Piston Spring Check Valve CHK BRS 610-6M6F-B
Zoro Select

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

Zoro # G0850026
Mfr # CHK BRS 610-6M6F-B
product price:  $25.69
/ea
Hayward Flow Control Check Valve, Ball, 1/2", PVC/FPM, S/T TC10050ST
Hayward Flow Control

Check Valve, Ball, 1/2", PVC/FPM, S/T

Zoro # G3478185
Mfr # TC10050ST
product price:  $54.85
/ea
Milwaukee Valve 3/4" FNPT Bronze Swing Y Check Valve 507 3/4
Milwaukee Valve

3/4" FNPT Bronze Swing Y Check Valve

Zoro # G1121382
Mfr # 507 3/4
product price:  $108.51
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1-1/2", PVC/EPDM, S/T TC10150STE
Hayward Flow Control

Check Valve, True Union, Ball, 1-1/2", PVC/EPDM, S/T

Zoro # G1471662
Mfr # TC10150STE
product price:  $117.99
/ea
Smith-Cooper 1-1/2" Brass Inline Check Valve 4347003780
Smith-Cooper

1-1/2" Brass Inline Check Valve

Zoro # G6775890
Mfr # 4347003780
product price:  $32.69
/ea
Zoro Select 1-1/4" NPT Brass Swing Check Valve 6VDT6
Zoro Select

1-1/4" NPT Brass Swing Check Valve

Zoro # G3745734
Mfr # 6VDT6
product price:  $36.39
/ea
Smith-Cooper Brass Inline Check Valve, IPS, NL 2" 4347003800
Smith-Cooper

Brass Inline Check Valve, IPS, NL 2"

Zoro # G6775933
Mfr # 4347003800
product price:  $69.29
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1", PVC/EPDM, S/T TC10100STE
Hayward Flow Control

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

Zoro # G2751174
Mfr # TC10100STE
product price:  $75.79
/ea
Nds Swing Check Valve, 4.5938 in Overall L 1520-07
Nds

Swing Check Valve, 4.5938 in Overall L

Zoro # G1384284
Mfr # 1520-07
product price:  $16.19
/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
Bonomi 3/8" NPT Brass Spring Check Valve 100003-3/8"
Bonomi

3/8" NPT Brass Spring Check Valve

Zoro # G2425066
Mfr # 100003-3/8"
product price:  $14.59
/ea
Bonomi 1" NPT Brass Spring Check Valve 100003-1"
Bonomi

1" NPT Brass Spring Check Valve

Zoro # G2011296
Mfr # 100003-1"
product price:  $24.89
/ea
Apollo Valves 3/4" FNPT Bronze Dual Check Valve 4ALF3A44A
Apollo Valves

3/4" FNPT Bronze Dual Check Valve

Zoro # G6124295
Mfr # 4ALF3A44A
product price:  $67.99
/ea
Watts Dual Check Valve, Bronze, FNPT Union, 1/2 in 9D-M3-1/2"
Watts

Dual Check Valve, Bronze, FNPT Union, 1/2 in

Zoro # G2798704
Mfr # 9D-M3-1/2"
product price:  $167.58
/ea
Campbell 1" FNPT Lead Free Brass Spring Check Valve 4031E
Campbell

1" FNPT Lead Free Brass Spring Check Valve

Zoro # G1818171
Mfr # 4031E
product price:  $58.79
/ea
Bonomi 3/4" NPT Brass Spring Check Valve 100003-3/4"
Bonomi

3/4" NPT Brass Spring Check Valve

Zoro # G2011305
Mfr # 100003-3/4"
product price:  $17.45
/ea
Zoro Select 3/8" FNPT Ball Cone Spring Check Valve FP CHK 693-6F6F-F
Zoro Select

3/8" FNPT Ball Cone Spring Check Valve

Zoro # G0581271
Mfr # FP CHK 693-6F6F-F
product price:  $18.29
/ea
Check Valves (3,500+ items) - Page 2
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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 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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