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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

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
Zoro Select Swing Check Valve, SC Series, 3 in, Flange x Flange, Inline Swing, PVC Body, 10-1/4 in SCOV110
Zoro Select

Swing Check Valve, SC Series, 3 in, Flange x Flange, Inline Swing, PVC Body, 10-1/4 in

Zoro # G2358221
Mfr # SCOV110
product price: 
$939.99
/ea
Zoro Select Swing Check Valve, 3/4 in, FNPT x FNPT, Inline Swing, Bronze Body 10F291
Zoro Select

Swing Check Valve, 3/4 in, FNPT x FNPT, Inline Swing, Bronze Body

Zoro # G4263804
Mfr # 10F291
product price: 
$34.75
/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
Campbell Spring Loaded Check Valve, 1-1/2 in, Acetal Polymer SLC-150
Campbell

Spring Loaded Check Valve, 1-1/2 in, Acetal Polymer

Zoro # G611335826
Mfr # SLC-150
product price: 
$35.59
/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
Legend Valve Sump Check Valve, S-613 Series, 2 in, Stainless Steel 203-228
Legend Valve

Sump Check Valve, S-613 Series, 2 in, Stainless Steel

Zoro # G2836446
Mfr # 203-228
product price: 
$45.15
/ea
Zoro Select 1/4" MNPT x FNPT Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4F4M-F
Zoro Select

1/4" MNPT x FNPT Gray PVC Ball Cone Spring Check Valve

Zoro # G0490332
Mfr # PVC CHK 426-4F4M-F
product price: 
$22.59
/ea
Milwaukee Valve 1-1/4" FNPT Bronze Swing Y Check Valve 515Y 1 1/4"
Milwaukee Valve

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

Zoro # G4191774
Mfr # 515Y 1 1/4"
product price: 
$176.10
/ea
Zoro Select 1/4" MNPT Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4M4M-F
Zoro Select

1/4" MNPT Gray PVC Ball Cone Spring Check Valve

Zoro # G0333487
Mfr # PVC CHK 426-4M4M-F
product price: 
$19.19
/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
Bonomi 3/8" NPT Stainless Steel Spring Check Valve S800-3/8"
Bonomi

3/8" NPT Stainless Steel Spring Check Valve

Zoro # G3769249
Mfr # S800-3/8"
product price: 
$56.25
/ea
Ssi 2" Wafer Flange Cast Iron Double Disc Check Valve 0200-125WTIBB-T
Ssi

2" Wafer Flange Cast Iron Double Disc Check Valve

Zoro # G1693937
Mfr # 0200-125WTIBB-T
product price: 
$71.59
/ea
Discover Swing Check Valve, 1 in, FNPT x FNPT, 316 Stainless Steel 102575
Discover

Swing Check Valve, 1 in, FNPT x FNPT, 316 Stainless Steel

Zoro # G815879713
Mfr # 102575
product price: 
$38.25
/ea
Watts Dual Check Backflow Preventer, 1 in, Bronze LF7RU2-2 1
Watts

Dual Check Backflow Preventer, 1 in, Bronze

Zoro # G911360559
Mfr # LF7RU2-2 1
product price: 
$108.99
/ea
Water Source Check Valve, 1-1/4 in Pipe Size, Brass Body CCC125-NL
Water Source

Check Valve, 1-1/4 in Pipe Size, Brass Body

Zoro # G516044243
Mfr # CCC125-NL
product price: 
$28.25
/ea
Wilkins High Capacity Dual Check Valve, 700XLFP Series, Cast Bronze Body, 6.6 in H 114UFX114F-700XLFP
Wilkins

High Capacity Dual Check Valve, 700XLFP Series, Cast Bronze Body, 6.6 in H

Zoro # G8668175
Mfr # 114UFX114F-700XLFP
product price: 
$295.99
/ea
Legend Valve Check Valve, T-311, Flanged, Cast Iron, 6 in 116-206
Legend Valve

Check Valve, T-311, Flanged, Cast Iron, 6 in

Zoro # G1833678
Mfr # 116-206
product price: 
$738.99
/ea
Legend Valve Check Valve, In-Line, 3 in, FNPT x FNPT, Bronze 105-430NL
Legend Valve

Check Valve, In-Line, 3 in, FNPT x FNPT, Bronze

Zoro # G1789815
Mfr # 105-430NL
product price: 
$286.99
/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
Discover Spring Check Valve, FNPT x FNPT, Stainless Steel, 1-1/2 in 102662
Discover

Spring Check Valve, FNPT x FNPT, Stainless Steel, 1-1/2 in

Zoro # G015879780
Mfr # 102662
product price: 
$37.79
/ea
Milwaukee Valve 4" Flanged Cast Steel Swing Check Valve 1570 CB2 4"
Milwaukee Valve

4" Flanged Cast Steel Swing Check Valve

Zoro # G2957464
Mfr # 1570 CB2 4"
product price: 
$917.99
/ea
Asahi Ball Check Valve, Inline, 1/2 in Pipe Size, Socket x Socket, PVC Body 1210005
Asahi

Ball Check Valve, Inline, 1/2 in Pipe Size, Socket x Socket, PVC Body

Zoro # G6162269
Mfr # 1210005
product price: 
$55.35
/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: 
$49.55
/ea
Legend Valve Check Valve, Y-Pattern, 1 in, FNPT x FNPT, Bronze 105-305
Legend Valve

Check Valve, Y-Pattern, 1 in, FNPT x FNPT, Bronze

Zoro # G1785877
Mfr # 105-305
product price: 
$43.25
/ea
Legend Valve Check Valve, T-451, 1 in, FNPT x FNPT, Brass 105-105
Legend Valve

Check Valve, T-451, 1 in, FNPT x FNPT, Brass

Zoro # G1762567
Mfr # 105-105
product price: 
$19.79
/ea
Zoeller Check Valve with Union, Inline Swing, 1 1/2 in, Solvent Weld x Solvent Weld, PVC, 11 in 30-0102
Zoeller

Check Valve with Union, Inline Swing, 1 1/2 in, Solvent Weld x Solvent Weld, PVC, 11 in

Zoro # G2860331
Mfr # 30-0102
product price: 
$33.75
/ea
Gruvlok Check Valve, 7800 Series, Swing, Inline Wafer, Grooved x Grooved, 2 1/2 in, Ductile Iron 2200750046
Gruvlok

Check Valve, 7800 Series, Swing, Inline Wafer, Grooved x Grooved, 2 1/2 in, Ductile Iron

Zoro # G500716057
Mfr # 2200750046
product price: 
$684.99
/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
Watts Double Check Valve, 2" 2" 007M1-QT
Watts

Double Check Valve, 2"

Zoro # G7270809
Mfr # 2" 007M1-QT
product price: 
$913.15
/ea
Bonomi 1-1/4" NPT Stainless Steel Spring Check Valve S800-11/4"
Bonomi

1-1/4" NPT Stainless Steel Spring Check Valve

Zoro # G3769206
Mfr # S800-11/4"
product price: 
$154.99
/ea
Apollo Valves 3/4" FNPT Lead Free Bronze Ball Cone Check Valve 61LF50401
Apollo Valves

3/4" FNPT Lead Free Bronze Ball Cone Check Valve

Zoro # G5298806
Mfr # 61LF50401
product price: 
$66.29
/ea
Bonomi 1-1/2" NPT Stainless Steel Spring Check Valve S800-11/2"
Bonomi

1-1/2" NPT Stainless Steel Spring Check Valve

Zoro # G3769197
Mfr # S800-11/2"
product price: 
$202.99
/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
Zoro Select 1/8" Barb Polypropylene Ball Cone Spring Check Valve PP CHK 695-2B2B-F
Zoro Select

1/8" Barb Polypropylene Ball Cone Spring Check Valve

Zoro # G1206432
Mfr # PP CHK 695-2B2B-F
product price: 
$6.79
/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: 
$129.99
/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

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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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