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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

Milwaukee Valve 1-1/4" FNPT Bronze Swing Y Check Valve 509Y 1 1/4"
Milwaukee Valve

1-1/4" FNPT Bronze Swing Y Check Valve

Zoro # G4060813
Mfr # 509Y 1 1/4"
product price:  $121.99
/ea
Apollo Valves 3/8" NPT Lead Free Bronze Dual Check Valve 4NLF3A22A
Apollo Valves

3/8" NPT Lead Free Bronze Dual Check Valve

Zoro # G5151605
Mfr # 4NLF3A22A
product price:  $70.85
/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
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
Milwaukee Valve 1-1/2" FNPT Bronze Swing Y Check Valve 509Y 1 1/2"
Milwaukee Valve

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

Zoro # G4062904
Mfr # 509Y 1 1/2"
product price:  $150.99
/ea
Smith-Cooper 1" Brass Inline Check Valve 4347003740
Smith-Cooper

1" Brass Inline Check Valve

Zoro # G6775811
Mfr # 4347003740
product price:  $18.69
/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 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
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
Watts 3/4" FNPT Bronze Dual Check Valve 3/4 LF7 U2-2
Watts

3/4" FNPT Bronze Dual Check Valve

Zoro # G5276354
Mfr # 3/4 LF7 U2-2
product price:  $101.84
/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 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
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
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
Milwaukee Valve Swing Y Check Valve, 3.6875 in Overall L 509Y 1"
Milwaukee Valve

Swing Y Check Valve, 3.6875 in Overall L

Zoro # G4081314
Mfr # 509Y 1"
product price:  $92.29
/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
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
Simmons 2" NPT Bronze Spring Check Valve 506SB
Simmons

2" NPT Bronze Spring Check Valve

Zoro # G6280327
Mfr # 506SB
product price:  $131.99
/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
Campbell 1" FNPT Low Lead Brass Spring Check Valve w/Taps CVB-4TLF
Campbell

1" FNPT Low Lead Brass Spring Check Valve w/Taps

Zoro # G4712854
Mfr # CVB-4TLF
product price:  $34.29
/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
Ssi 4" Wafer Flange Cast Iron Silent Check Valve 0400-125WCIBM-T
Ssi

4" Wafer Flange Cast Iron Silent Check Valve

Zoro # G1300853
Mfr # 0400-125WCIBM-T
product price:  $177.99
/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
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
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
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
Grundfos Ups26-99Fc 3 Speed 1/6 Hp Cast UPS26-99FC
Grundfos

Ups26-99Fc 3 Speed 1/6 Hp Cast

Zoro # G6061597
Mfr # UPS26-99FC
product price:  $712.99
/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
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
Smith-Cooper Brass Inline Check Valve, IPS, NL 3/4" 4347003720
Smith-Cooper

Brass Inline Check Valve, IPS, NL 3/4"

Zoro # G6775787
Mfr # 4347003720
product price:  $20.65
/ea
Legend Valve 1-1/4"/1-1/2" S-613 SUMP CHECK 203-227
Legend Valve

1-1/4"/1-1/2" S-613 SUMP CHECK

Zoro # G2836647
Mfr # 203-227
product price:  $21.89
/ea
Apollo Valves 2" FNPT Stainless Steel Ball Cone Spring Check Valve 6210801
Apollo Valves

2" FNPT Stainless Steel Ball Cone Spring Check Valve

Zoro # G2494213
Mfr # 6210801
product price:  $731.99
/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
Zoeller Full Flow Check Valve, 6.625 in Overall L 30-0152
Zoeller

Full Flow Check Valve, 6.625 in Overall L

Zoro # G0559675
Mfr # 30-0152
product price:  $106.99
/ea
American Valve Schedule 80 PVC Swing Check Foot Valve Socket P430S 3''
American Valve

Schedule 80 PVC Swing Check Foot Valve Socket

Zoro # G415189724
Mfr # P430S 3''
product price:  $150.99
/ea
Keckley 4" Cast Iron Wafer Check Valve DD1F-CI-34136-400
Keckley

4" Cast Iron Wafer Check Valve

Zoro # G1612445
Mfr # DD1F-CI-34136-400
product price:  $189.99
/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

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Black Pipe FittingsStainless Steel Pipe FittingsBrass Pipe FittingsCamlock FittingsPipe & Tube Clamps
check valve control check3" cast iron trapstainless springsflange mount check valveswagelok brass
check valve 1/8plast-o-matic 2" ball valve2.5 inch check valveparker stainless steel filterzoeller quiet check valve

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