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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 43

Milwaukee Valve Swing Check Valve, 510T Series, 1-1/4 in, FNPT x FNPT, Bronze Body 510T 1 1/4
Milwaukee Valve

Swing Check Valve, 510T Series, 1-1/4 in, FNPT x FNPT, Bronze Body

Zoro # G2497494
Mfr # 510T 1 1/4
product price: 
$163.76
/ea
Ham-Let Instrumentation Check Valve, H400 Series, Inline Spring, 8 mm Let-Lok x Let-Lok, 1 psi H-400-SS-L-8MM-1PSI
Ham-Let

Instrumentation Check Valve, H400 Series, Inline Spring, 8 mm Let-Lok x Let-Lok, 1 psi

Zoro # G408789573
Mfr # H-400-SS-L-8MM-1PSI
product price: 
$165.99
/ea
Hayward Flow Control Y-Check Valve, 4", PVC/EPDM, Socket YC10400SE
Hayward Flow Control

Y-Check Valve, 4", PVC/EPDM, Socket

Zoro # G7148477
Mfr # YC10400SE
product price: 
$1,378.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3", CPVC/FPM, Socket TC2300S
Hayward Flow Control

Check Valve, True Union, Ball, 3", CPVC/FPM, Socket

Zoro # G2415682
Mfr # TC2300S
product price: 
$774.99
/ea
Everflow Swing Check Valve, FIP Connection, Cast Brass Body, 3/4 in 210T034-NL
Everflow

Swing Check Valve, FIP Connection, Cast Brass Body, 3/4 in

Zoro # G901106891
Mfr # 210T034-NL
product price: 
$14.69
/ea
Watts Backflow Preventer, 1 in 0072205
Watts

Backflow Preventer, 1 in

Zoro # G009244600
Mfr # 0072205
product price: 
$125.99
/ea
Legend Valve Ball Check Valve, S-655 Series, PVC, Solvent x Solvent, 1/2 in 201-283
Legend Valve

Ball Check Valve, S-655 Series, PVC, Solvent x Solvent, 1/2 in

Zoro # G1791090
Mfr # 201-283
product price: 
$23.39
/ea
Legend Valve Check Valve, S-451 Series, Sweat x Sweat, Brass Body, 2 in 105-208
Legend Valve

Check Valve, S-451 Series, Sweat x Sweat, Brass Body, 2 in

Zoro # G1791547
Mfr # 105-208
product price: 
$54.49
/ea
Asahi Ball Check Valve, Inline, 2 in, Flanged x Flanged, PVDF Body, 1 psi Cracking Pressure 1233020
Asahi

Ball Check Valve, Inline, 2 in, Flanged x Flanged, PVDF Body, 1 psi Cracking Pressure

Zoro # G6162147
Mfr # 1233020
product price: 
$1,762.99
/ea
Taco Replacement Internal Flow Check 0012-021RP
Taco

Replacement Internal Flow Check

Zoro # G809254229
Mfr # 0012-021RP
product price: 
$50.59
/ea
Legend Valve Check Valve, S-611, 1/2 in, Solvent x Solvent, Stainless Steel 203-203
Legend Valve

Check Valve, S-611, 1/2 in, Solvent x Solvent, Stainless Steel

Zoro # G1785868
Mfr # 203-203
product price: 
$6.79
/ea
Sold in mult. of 2 for $13.58
Legend Valve Check Valve, In-Line, Press Connection, 1-1/4 in 105-456NL
Legend Valve

Check Valve, In-Line, Press Connection, 1-1/4 in

Zoro # G1769244
Mfr # 105-456NL
product price: 
$41.35
/ea
Strike3 Double Check Fill Valve, 1.75 in ST3291790
Strike3

Double Check Fill Valve, 1.75 in

Zoro # G911945350
Mfr # ST3291790
product price: 
$88.35
/ea
Thrifco Plumbing Spring Check Valve, Slip Connection, PVC, 3/4 in 6415196
Thrifco Plumbing

Spring Check Valve, Slip Connection, PVC, 3/4 in

Zoro # G609547576
Mfr # 6415196
product price: 
$9.15
/ea
Thrifco Plumbing Swing Check Valve, Threaded, Brass Body, 1-1/2 in 6415405
Thrifco Plumbing

Swing Check Valve, Threaded, Brass Body, 1-1/2 in

Zoro # G609549532
Mfr # 6415405
product price: 
$52.15
/ea
Nds 1001-07-KC070T .75 FIP PVC Check Valve 6462550
Nds

1001-07-KC070T .75 FIP PVC Check Valve

Zoro # G415834105
Mfr # 6462550
product price: 
$21.29
/ea
Wilkins In-Line Single Check Valve, 40XL2 Series 12-40XL2
Wilkins

In-Line Single Check Valve, 40XL2 Series

Zoro # G8665892
Mfr # 12-40XL2
product price: 
$110.99
/ea
Molded Products Check Valve, Serviceable, Thread-On, 2 in Socket x 2-1/2 in Spigot, Black CPVC (12 PK) 25830-200-000
Molded Products

Check Valve, Serviceable, Thread-On, 2 in Socket x 2-1/2 in Spigot, Black CPVC (12 PK)

Zoro # G404009286
Mfr # 25830-200-000
product price: 
$84.39
/ea
Thrifco Plumbing Swing Check Valve, 2 in FIP, Brass 6415176
Thrifco Plumbing

Swing Check Valve, 2 in FIP, Brass

Zoro # G009532219
Mfr # 6415176
product price: 
$104.99
/ea
Zoro Select Ball Check Valve, 3/4 in Pipe Size, FNPT, Inline, Kynar PVDF Body, Schedule 80 T65BC-V 3/4
Zoro Select

Ball Check Valve, 3/4 in Pipe Size, FNPT, Inline, Kynar PVDF Body, Schedule 80

Zoro # G3105137
Mfr # T65BC-V 3/4
product price: 
$495.99
/ea
Milwaukee Valve 1" Sweat Low Lead Bronze Spring Check Valve UP1509 1
Milwaukee Valve

1" Sweat Low Lead Bronze Spring Check Valve

Zoro # G2256502
Mfr # UP1509 1
product price: 
$131.99
/ea
Water Source Combination Foot Check Valve, Plastic, 1-1/4 in Pipe Size 645861
Water Source

Combination Foot Check Valve, Plastic, 1-1/4 in Pipe Size

Zoro # G914937352
Mfr # 645861
product price: 
$46.95
/ea
Wilkins Dual Check Valve Assembly, Intermediate Atmospheric Vent, FNPT Union Connections, Brass 34-760
Wilkins

Dual Check Valve Assembly, Intermediate Atmospheric Vent, FNPT Union Connections, Brass

Zoro # G8667764
Mfr # 34-760
product price: 
$167.99
/ea
Midland Industries Check Valve, 1/4 in, FIP x FIP, Brass, High Pressure 46510
Midland Industries

Check Valve, 1/4 in, FIP x FIP, Brass, High Pressure

Zoro # G521699155
Mfr # 46510
product price: 
$26.99
/ea
Grundfos Check Valve Assembly 525530
Grundfos

Check Valve Assembly

Zoro # G515212957
Mfr # 525530
product price: 
$109.99
/ea
Discover Spring Check Valve, 3-Piece, 4 in, FNPT x FNPT, 316 Stainless Steel 102713
Discover

Spring Check Valve, 3-Piece, 4 in, FNPT x FNPT, 316 Stainless Steel

Zoro # G315879718
Mfr # 102713
product price: 
$395.99
/ea
Thrifco Plumbing Check Valve, Swing, Threaded, PVC Body, 2 in Connection 6415315
Thrifco Plumbing

Check Valve, Swing, Threaded, PVC Body, 2 in Connection

Zoro # G009549569
Mfr # 6415315
product price: 
$37.25
/ea
Bonomi North America Inline Check Valve, 2 in Pipe Size, AISI 316 Stainless Steel S250-2
Bonomi North America

Inline Check Valve, 2 in Pipe Size, AISI 316 Stainless Steel

Zoro # G011494130
Mfr # S250-2
product price: 
$100.99
/ea
Pumpspy Silent Inline Check Valve, 2 in, Clear Body CV-200
Pumpspy

Silent Inline Check Valve, 2 in, Clear Body

Zoro # G009944241
Mfr # CV-200
product price: 
$31.39
/ea
Alfa Laval Check Valve Service Kit, LKC-2, 3 in, EPDM 9611924009
Alfa Laval

Check Valve Service Kit, LKC-2, 3 in, EPDM

Zoro # G010081461
Mfr # 9611924009
product price: 
$70.15
/ea
Hayward Flow Control Wafer Check Valve, WCV Series, 2 in, Flange x Flange, Inline Wafer, PVC Body WCV1200E
Hayward Flow Control

Wafer Check Valve, WCV Series, 2 in, Flange x Flange, Inline Wafer, PVC Body

Zoro # G4998061
Mfr # WCV1200E
product price: 
$387.99
/ea
Zoeller Check Valve, Inline Union, 2 in, Compression x Compression, PVC Body, Swing Check 30-0256
Zoeller

Check Valve, Inline Union, 2 in, Compression x Compression, PVC Body, Swing Check

Zoro # G200488001
Mfr # 30-0256
product price: 
$63.99
/ea
B & K Magic Plastics 1-1/2 in. D X 1-1/2 in. D Slip PVC Quiet Check Valve 0821-15H
B & K

Magic Plastics 1-1/2 in. D X 1-1/2 in. D Slip PVC Quiet Check Valve

Zoro # G7694739
Mfr # 0821-15H
product price: 
$31.99
/ea
Legend Valve Check Valve, S-455 NL Series, Inline, Sweat x Sweat, Bronze Body, 2 in 105-468NL
Legend Valve

Check Valve, S-455 NL Series, Inline, Sweat x Sweat, Bronze Body, 2 in

Zoro # G1788080
Mfr # 105-468NL
product price: 
$123.99
/ea
Ssi 10" Wafer Flange Cast Iron Double Disc Check Valve 1000-125WTIBB-T
Ssi

10" Wafer Flange Cast Iron Double Disc Check Valve

Zoro # G6107062
Mfr # 1000-125WTIBB-T
product price: 
$767.99
/ea
Parker CHECK VALVE REPAIR KIT TP7415-RK1
Parker

CHECK VALVE REPAIR KIT

Zoro # G111699886
Mfr # TP7415-RK1
product price: 
$325.99
/ea
Check Valves (3,500+ items) - Page 43
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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
1-1/2" swing check valves1" brass check valves3/4" pvc check valves8" wafer check valves3/4" swing check valves
1/2" pvc check valves1/2 inch check valves2" pvc check valves2" flanged check valves3" spring check valves

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