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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 10

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: 
$607.99
/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
Zoro Select 1/4" MNPT Brass Piston Spring Check Valve CHK BRS 410-4M4M-F
Zoro Select

1/4" MNPT Brass Piston Spring Check Valve

Zoro # G3480644
Mfr # CHK BRS 410-4M4M-F
product price: 
$23.69
/ea
Discover Spring Check Valve, 1-1/4 in, FNPT x FNPT, Stainless Steel 102661
Discover

Spring Check Valve, 1-1/4 in, FNPT x FNPT, Stainless Steel

Zoro # G615879746
Mfr # 102661
product price: 
$27.89
/ea
Sharkbite Check Valve, Push x Push, Brass, 3.5 in UR2016
Sharkbite

Check Valve, Push x Push, Brass, 3.5 in

Zoro # G210481856
Mfr # UR2016
product price: 
$25.19
/ea
Discover Inline Check Valve, 1/4 in Tube Size, FNPT x FNPT, 316 Stainless Steel 101137
Discover

Inline Check Valve, 1/4 in Tube Size, FNPT x FNPT, 316 Stainless Steel

Zoro # G515879839
Mfr # 101137
product price: 
$28.15
/ea
Milwaukee Valve 2-1/2" FNPT Bronze Swing Y Check Valve 507 2 1/2
Milwaukee Valve

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

Zoro # G3212097
Mfr # 507 2 1/2
product price: 
$825.97
/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
Milwaukee Valve Swing Check Valve, 510T Series, 1 in, FNPT x FNPT, Inline, Bronze 510T 1
Milwaukee Valve

Swing Check Valve, 510T Series, 1 in, FNPT x FNPT, Inline, Bronze

Zoro # G0662593
Mfr # 510T 1
product price: 
$114.63
/ea
Zoro Select Swing Check Valve, Inline, 1-1/2 in, FNPT x FNPT, Bronze Body 10F305
Zoro Select

Swing Check Valve, Inline, 1-1/2 in, FNPT x FNPT, Bronze Body

Zoro # G4273753
Mfr # 10F305
product price: 
$87.19
/ea
Zoro Select Check Valve, H021N01 Series, 3/4 in FNPT x FNPT, Inline Spring Piston, 316 Stainless Steel 06H021N01034
Zoro Select

Check Valve, H021N01 Series, 3/4 in FNPT x FNPT, Inline Spring Piston, 316 Stainless Steel

Zoro # G605657316
Mfr # 06H021N01034
product price: 
$44.29
/ea
Banjo Check Valve, Inline Spring, 2 in, Flanged, Polypropylene Body, EPDM Seal, 200 psi MCV221
Banjo

Check Valve, Inline Spring, 2 in, Flanged, Polypropylene Body, EPDM Seal, 200 psi

Zoro # G608446481
Mfr # MCV221
product price: 
$29.15
/ea
Milwaukee Valve 3/4" FNPT Bronze Swing Y Check Valve 508 3/4"
Milwaukee Valve

3/4" FNPT Bronze Swing Y Check Valve

Zoro # G2718861
Mfr # 508 3/4"
product price: 
$103.37
/ea
Plast-O-Matic 1/2" FNPT Polypropylene Disc Check Valve CKM050V-PP
Plast-O-Matic

1/2" FNPT Polypropylene Disc Check Valve

Zoro # G3953302
Mfr # CKM050V-PP
product price: 
$161.99
/ea
Zoro Select Swing Check Valve, Inline, 1 in, FNPT x FNPT, Bronze Body 10F292
Zoro Select

Swing Check Valve, Inline, 1 in, FNPT x FNPT, Bronze Body

Zoro # G4261494
Mfr # 10F292
product price: 
$49.99
/ea
Legend Valve Foot Valve Screen, PVC, 2 in, T/S-655 Connection Type 201-298
Legend Valve

Foot Valve Screen, PVC, 2 in, T/S-655 Connection Type

Zoro # G1796620
Mfr # 201-298
product price: 
$43.25
/ea
Wilkins Dual Check Valve, 700XL Series, Inline, Bronze, 3/4 in, Union FNPT x FNPT 34UFX34F-700XL
Wilkins

Dual Check Valve, 700XL Series, Inline, Bronze, 3/4 in, Union FNPT x FNPT

Zoro # G4461073
Mfr # 34UFX34F-700XL
product price: 
$111.99
/ea
Mueller Steam Specialty 4" Cast Iron Wafer Double Disc Check Valve 4 71AHB3H
Mueller Steam Specialty

4" Cast Iron Wafer Double Disc Check Valve

Zoro # G0661202
Mfr # 4 71AHB3H
product price: 
$613.99
/ea
No Product Image Available
Parker

Check Valve Assembly, Swing, In-Line, 3/8 in FNPT x 3/8 in MNPT, Aluminum

Zoro # G716246089
Mfr # 2650
product price: 
$57.53
/ea
Delavan Fluid Power Hydraulic Check Valve, Poppet, #10 SAE O-Ring Boss Female, Steel Body, 30 gpm DAPOCV-60-210-SAE10
Delavan Fluid Power

Hydraulic Check Valve, Poppet, #10 SAE O-Ring Boss Female, Steel Body, 30 gpm

Zoro # G211222670
Mfr # DAPOCV-60-210-SAE10
product price: 
$120.99
/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
Milwaukee Valve Check Valve, 509 Series, Swing, 1/2 in Pipe Size, FNPT x FNPT, Bronze Body 509 1/2
Milwaukee Valve

Check Valve, 509 Series, Swing, 1/2 in Pipe Size, FNPT x FNPT, Bronze Body

Zoro # G3001056
Mfr # 509 1/2
product price: 
$51.18
/ea
Discover 3/8 in. Stainless Steel Inline Check Valve 102756
Discover

3/8 in. Stainless Steel Inline Check Valve

Zoro # G515879716
Mfr # 102756
product price: 
$31.49
/ea
Parker 3/8" FNPT Stainless Steel Instrumentation Check Valve 6F-C6L-1-SS
Parker

3/8" FNPT Stainless Steel Instrumentation Check Valve

Zoro # G2635577
Mfr # 6F-C6L-1-SS
product price: 
$233.99
/ea
Zoro Select 1/2" FNPT Brass Piston Spring Check Valve CHK BRS 815-8F8F-F
Zoro Select

1/2" FNPT Brass Piston Spring Check Valve

Zoro # G3367375
Mfr # CHK BRS 815-8F8F-F
product price: 
$43.39
/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: 
$176.99
/ea
Goulds Water Technology Check Valve, Flapper, 2-1/2 in Pipe Size, Flanged, Cast Iron SPF25
Goulds Water Technology

Check Valve, Flapper, 2-1/2 in Pipe Size, Flanged, Cast Iron

Zoro # G3054816
Mfr # SPF25
product price: 
$286.99
/ea
Proline Series Spring Loaded Check Valve, Schedule 40 PVC, 1-1/2 in 101-107
Proline Series

Spring Loaded Check Valve, Schedule 40 PVC, 1-1/2 in

Zoro # G011360572
Mfr # 101-107
product price: 
$17.29
/ea
Dayton Spring Check Valve, Inline, 3/4 in Pipe Size, FIPT x FIPT, PVC Body 4RG65
Dayton

Spring Check Valve, Inline, 3/4 in Pipe Size, FIPT x FIPT, PVC Body

Zoro # G2746134
Mfr # 4RG65
product price: 
$61.19
/ea
Watts 3/8" FNPT x Male Flare Stainless Steel Dual Check Valve SD3-MF 3/8"
Watts

3/8" FNPT x Male Flare Stainless Steel Dual Check Valve

Zoro # G2228247
Mfr # SD3-MF 3/8"
product price: 
$495.48
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1/2", CPVC/FPM, S/T TC20050ST
Hayward Flow Control

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

Zoro # G2472172
Mfr # TC20050ST
product price: 
$81.45
/ea
Milwaukee Valve Check Valve, 508 Series, Y Swing, 1 in, FNPT x FNPT, Bronze Body 508 1"
Milwaukee Valve

Check Valve, 508 Series, Y Swing, 1 in, FNPT x FNPT, Bronze Body

Zoro # G1262493
Mfr # 508 1"
product price: 
$127.93
/ea
Banjo Check Valve, Inline Spring, 2 in Flanged, Polypropylene Body, 150 psi, 4.78 in OAL MCV221V
Banjo

Check Valve, Inline Spring, 2 in Flanged, Polypropylene Body, 150 psi, 4.78 in OAL

Zoro # G008446494
Mfr # MCV221V
product price: 
$37.29
/ea
Keckley 6" Stainless Steel Wafer Check Valve DD2R-36-364IX-600
Keckley

6" Stainless Steel Wafer Check Valve

Zoro # G1612865
Mfr # DD2R-36-364IX-600
product price: 
$2,328.99
/ea
Banjo Check Valve, Inline Spring, 2 in, Flanged, Polypropylene Body, 150 psi, 3 in Overall L MCV220
Banjo

Check Valve, Inline Spring, 2 in, Flanged, Polypropylene Body, 150 psi, 3 in Overall L

Zoro # G908446433
Mfr # MCV220
product price: 
$24.29
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1-1/2", CPVC/EPDM, S/T TC20150STE
Hayward Flow Control

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

Zoro # G2481437
Mfr # TC20150STE
product price: 
$204.99
/ea
Check Valves (3,500+ items) - Page 10
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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 FittingsPush-to-Connect Tube FittingsCamlock Fittings
1/2 inch check valves1/2" pvc check valves3/4" swing check valves2" flanged check valves4" wafer check valves
1-1/2" swing check valves1/4 inch check valves3/4" pvc check valves3" brass check valves1-1/2" inline check valves

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