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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 18

Legend Valve 1-1/2" T-453 Y-PTN CHECK VALVE 105-307
Legend Valve

1-1/2" T-453 Y-PTN CHECK VALVE

Zoro # G1769269
Mfr # 105-307
product price:  $96.79
/ea
Milton In Line Check Valve, 1/2" FNPT 1093-8
Milton

In Line Check Valve, 1/2" FNPT

Zoro # G5035068
Mfr # 1093-8
product price:  $49.69
/ea
Basiks Check Valve, CPVC, 1-1/2", FKM, Socket TBC360-150VS-CP
Basiks

Check Valve, CPVC, 1-1/2", FKM, Socket

Zoro # G7195148
Mfr # TBC360-150VS-CP
product price:  $144.99
/ea
B & K 2 in. D X 2 in. D Slip PVC Quiet Check Valve B-0821-20H
B & K

2 in. D X 2 in. D Slip PVC Quiet Check Valve

Zoro # G7696154
Mfr # B-0821-20H
product price:  $37.25
/ea
No Product Image Available
Keckley

3" Flanged Flanged Triple Duty Valve

Zoro # G3820210
Mfr # TDV-300
product price:  $658.99
/ea
Zoeller 1-1/2 in. Compression PVC Check Valve 30-0015
Zoeller

1-1/2 in. Compression PVC Check Valve

Zoro # G105668324
Mfr # 30-0015
product price:  $57.99
/ea
No Product Image Available
Keckley

4" Flanged Flanged Triple Duty Valve

Zoro # G3819982
Mfr # TDV-400
product price:  $980.99
/ea
Legend Valve 3" T-451 CHECK VALVE 105-110
Legend Valve

3" T-451 CHECK VALVE

Zoro # G1796550
Mfr # 105-110
product price:  $198.99
/ea
Jomar Valve 1-1/2" NPT Lead Free Brass Spring Check Valve T-521G
Jomar Valve

1-1/2" NPT Lead Free Brass Spring Check Valve

Zoro # G7081186
Mfr # T-521G
product price:  $73.39
/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
Legend Valve 1-1/4"/1-1/2" S-613 BODY ONLY 203-230
Legend Valve

1-1/4"/1-1/2" S-613 BODY ONLY

Zoro # G2837435
Mfr # 203-230
product price:  $12.59
/ea
Wilkins Dual Check Valve, Female NPT Union Inlet 12UFX12F-700XL
Wilkins

Dual Check Valve, Female NPT Union Inlet

Zoro # G7462605
Mfr # 12UFX12F-700XL
product price:  $104.99
/ea
Brady Magic Plastics 2 in. D Slip PVC Quiet Check Valve 0823-20
Brady

Magic Plastics 2 in. D Slip PVC Quiet Check Valve

Zoro # G7702448
Mfr # 0823-20
product price:  $41.15
/ea
Legend Valve 3/4" S-455 NL CXC IN-LINE CHK 105-464NL
Legend Valve

3/4" S-455 NL CXC IN-LINE CHK

Zoro # G1843749
Mfr # 105-464NL
product price:  $35.59
/ea
Legend Valve 1/2 NO LEAD PRESS INLINE CHEC 105-453NL
Legend Valve

1/2 NO LEAD PRESS INLINE CHEC

Zoro # G1765559
Mfr # 105-453NL
product price:  $14.55
/ea
Legend Valve 1-1/2" S-672 PVC TRUE UNION CH 203-247
Legend Valve

1-1/2" S-672 PVC TRUE UNION CH

Zoro # G2836227
Mfr # 203-247
product price:  $28.35
/ea
Jomar Valve 1-1/4" NPT Bronze Y Check Valve T-511
Jomar Valve

1-1/4" NPT Bronze Y Check Valve

Zoro # G7142987
Mfr # T-511
product price:  $88.19
/ea
No Product Image Available
Leonard Valve

Check Stop Kit, 4/LVC

Zoro # G821672957
Mfr # KIT 4/LVC
product price:  $77.85
/ea
Mueller Industries 2 in. D X 2 in. D FIP Brass Swing Check Valve 240-2-2
Mueller Industries

2 in. D X 2 in. D FIP Brass Swing Check Valve

Zoro # G8618816
Mfr # 240-2-2
product price:  $66.25
/ea
Zoro Select 1/8" Barb White Nylon Ball Cone Spring Check Valve WN CHK 695-2B2B-F
Zoro Select

1/8" Barb White Nylon Ball Cone Spring Check Valve

Zoro # G1220441
Mfr # WN CHK 695-2B2B-F
product price:  $8.39
/ea
Zoro Select 3" Flanged PVC Swing Check Valve SCOV110
Zoro Select

3" Flanged PVC Swing Check Valve

Zoro # G2358221
Mfr # SCOV110
product price:  $939.99
/ea
Resideo 1/2'' NPT Backflow preventer FM911
Resideo

1/2'' NPT Backflow preventer

Zoro # G509544972
Mfr # FM911
product price:  $155.99
/ea
Ssi 2-1/2" Wafer Flange Cast Iron Silent Check Valve 0250-125WCITM-T
Ssi

2-1/2" Wafer Flange Cast Iron Silent Check Valve

Zoro # G3464815
Mfr # 0250-125WCITM-T
product price:  $123.99
/ea
Alfa Laval Service Kit LKC-2 Check Valve 2 EPDM 9611924007
Alfa Laval

Service Kit LKC-2 Check Valve 2 EPDM

Zoro # G910081462
Mfr # 9611924007
product price:  $72.45
/ea
Dixon 3" FNPT Brass Spring Loaded Check Valve CV300
Dixon

3" FNPT Brass Spring Loaded Check Valve

Zoro # G6546535
Mfr # CV300
product price:  $255.99
/ea
Jomar Valve 3/4" NPT Lead Free Brass Spring Check Valve T-521G
Jomar Valve

3/4" NPT Lead Free Brass Spring Check Valve

Zoro # G7093180
Mfr # T-521G
product price:  $28.99
/ea
Legend Valve 4" T-312 DI WAFER CHEK DI DISC 116-244
Legend Valve

4" T-312 DI WAFER CHEK DI DISC

Zoro # G1804156
Mfr # 116-244
product price:  $109.99
/ea
American Valve Schedule 80 CPVC True Union Ball Check Valve P460UC 1''
American Valve

Schedule 80 CPVC True Union Ball Check Valve

Zoro # G615189722
Mfr # P460UC 1''
product price:  $108.99
/ea
Jomar Valve 1-1/4" NPT Lead Free Brass Horizontal Check Valve T-501G
Jomar Valve

1-1/4" NPT Lead Free Brass Horizontal Check Valve

Zoro # G7072567
Mfr # T-501G
product price:  $53.29
/ea
Legend Valve 1" T-455 NL IPS IN-LINE CHECK 105-445NL
Legend Valve

1" T-455 NL IPS IN-LINE CHECK

Zoro # G1769226
Mfr # 105-445NL
product price:  $52.15
/ea
Discover 1-1/2 in. Stainless Steel Spring Check Valve 102662
Discover

1-1/2 in. Stainless Steel Spring Check Valve

Zoro # G015879780
Mfr # 102662
product price:  $37.79
/ea
Hayward Flow Control Check Valve, Wafer, 4", CPVC/EPDM WCV2400E
Hayward Flow Control

Check Valve, Wafer, 4", CPVC/EPDM

Zoro # G6650743
Mfr # WCV2400E
product price:  $688.99
/ea
Steel & Obrien 2" Tri-Clamp End Disk Type Check Vakve - 3.36" Long 316SS 45MP-2-CD-316
Steel & Obrien

2" Tri-Clamp End Disk Type Check Vakve - 3.36" Long 316SS

Zoro # G5413665
Mfr # 45MP-2-CD-316
product price:  $374.99
/ea
Steel & Obrien 1" Tri-Clamp End Disk Type Check Vakve - 3.29" Long 316SS 45MP-1-CD-316
Steel & Obrien

1" Tri-Clamp End Disk Type Check Vakve - 3.29" Long 316SS

Zoro # G5412834
Mfr # 45MP-1-CD-316
product price:  $193.99
/ea
Keckley 3" Wafer Check Valve 3CW2R-36-36336
Keckley

3" Wafer Check Valve

Zoro # G3819319
Mfr # 3CW2R-36-36336
product price:  $729.99
/ea
H2Flow Controls FV-C-S 2-2.5 in. Flowvis Complete Flow Meter & Safety Flapper with GPM Scale FV-C-S
H2Flow Controls

FV-C-S 2-2.5 in. Flowvis Complete Flow Meter & Safety Flapper with GPM Scale

Zoro # G103993121
Mfr # FV-C-S
product price:  $219.99
/ea
Check Valves (3,500+ items) - Page 18
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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
plast-o-matic 2" ball valveflange mount check valve2" spring checkzoeller quiet check valveparker stainless steel filter
1/2" npt stainless steelcheck valve cpvc 1/2"waste water1" bronze ball valveswagelok brass

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