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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 51

Hayward Flow Control Y-Check Valve, Spring-Loaded, 1", PVC/FPM, Threaded, Adjustable 2-15 psi SLC10100T
Hayward Flow Control

Y-Check Valve, Spring-Loaded, 1", PVC/FPM, Threaded, Adjustable 2-15 psi

Zoro # G3269576
Mfr # SLC10100T
product price:  $399.94
/ea
Midland Industries VALVE CHECK SWG 1-1/2IN FPT C85700 BRS 940356
Midland Industries

VALVE CHECK SWG 1-1/2IN FPT C85700 BRS

Zoro # G321700020
Mfr # 940356
product price:  $125.99
/ea
Legend Valve 1-1/2" S-655 PVC BALL CHECK 201-287
Legend Valve

1-1/2" S-655 PVC BALL CHECK

Zoro # G1792046
Mfr # 201-287
product price:  $80.49
/ea
Homewerks 1/2 in. D X 1/2 in. D FIP Brass Swing Check Valve 240-2-12
Homewerks

1/2 in. D X 1/2 in. D FIP Brass Swing Check Valve

Zoro # G216292708
Mfr # 240-2-12
product price:  $14.69
/ea
Proline Series ProLine PVC 3/4'' SOLV x 3/4'' SOLV In-Line Check Valve 101-604
Proline Series

ProLine PVC 3/4'' SOLV x 3/4'' SOLV In-Line Check Valve

Zoro # G221874579
Mfr # 101-604
product price:  $5.19
/ea
Sold in mult. of 2 for $10.38
Legend Valve 3/8" T-451 CHECK VALVE NL 105-102NL
Legend Valve

3/8" T-451 CHECK VALVE NL

Zoro # G1808417
Mfr # 105-102NL
product price:  $13.75
/ea
Absurdo 10 lbs Residual Check Valve AB2204370
Absurdo

10 lbs Residual Check Valve

Zoro # G215198506
Mfr # AB2204370
product price:  $33.79
/ea
Sta-Rite FP0026-10 Sump Pump Check Valve Kit 6269872
Sta-Rite

FP0026-10 Sump Pump Check Valve Kit

Zoro # G224190805
Mfr # 6269872
product price:  $38.69
/ea
Legend Valve 2-1/2" T-451 CHECK VALVE 105-109
Legend Valve

2-1/2" T-451 CHECK VALVE

Zoro # G1797524
Mfr # 105-109
product price:  $100.99
/ea
Thrifco Plumbing 1-1/4 Inch FIP Brass Swing Check Valve 6415174
Thrifco Plumbing

1-1/4 Inch FIP Brass Swing Check Valve

Zoro # G009547671
Mfr # 6415174
product price:  $54.15
/ea
Everflow FIP Swing Check Valve, Cast Brass 1-1/4" 210T114-NL
Everflow

FIP Swing Check Valve, Cast Brass 1-1/4"

Zoro # G101106905
Mfr # 210T114-NL
product price:  $30.69
/ea
Everflow FIP Swing Check Valve, Cast Brass 1-1/2" 210T112-NL
Everflow

FIP Swing Check Valve, Cast Brass 1-1/2"

Zoro # G001106883
Mfr # 210T112-NL
product price:  $41.79
/ea
Midland Industries VALVE CHECK LIFT IN-L 1-1/2IN FNPT BRS 944434
Midland Industries

VALVE CHECK LIFT IN-L 1-1/2IN FNPT BRS

Zoro # G021700092
Mfr # 944434
product price:  $115.99
/ea
Powerhouse Brass Check Valve 0.5 In. PO362893
Powerhouse

Brass Check Valve 0.5 In.

Zoro # G110528590
Mfr # PO362893
product price:  $53.35
/ea
Everflow SWT Inline Spring Loaded Check Valve, Cast Brass 1/2" 150C012-NL
Everflow

SWT Inline Spring Loaded Check Valve, Cast Brass 1/2"

Zoro # G101106899
Mfr # 150C012-NL
product price:  $17.15
/ea
B & K 2 WHT PVC CHK Valve 101-608
B & K

2 WHT PVC CHK Valve

Zoro # G707985782
Mfr # 101-608
product price:  $15.39
/ea
Hayward Flow Control Y-Check Valve, 2-1/2", PVC/EPDM, Threaded YC10250TE
Hayward Flow Control

Y-Check Valve, 2-1/2", PVC/EPDM, Threaded

Zoro # G7224165
Mfr # YC10250TE
product price:  $617.99
/ea
Bonomi North America 1-1/2in LEAD FREE HIGH FLOW RATE IN-LINE SPRING LOADED CHECK VALVE 100012LF-1-1/2
Bonomi North America

1-1/2in LEAD FREE HIGH FLOW RATE IN-LINE SPRING LOADED CHECK VALVE

Zoro # G011494116
Mfr # 100012LF-1-1/2
product price:  $60.89
/ea
Hoke 6100 Series Ball Check Valves - 1/4in MNPT x 1/4in MNPT, 6000 PSI, -20 Deg. To 350 Deg.F 6133M4Y
Hoke

6100 Series Ball Check Valves - 1/4in MNPT x 1/4in MNPT, 6000 PSI, -20 Deg. To 350 Deg.F

Zoro # G416507152
Mfr # 6133M4Y
product price:  $151.99
/ea
Hayward Flow Control Y-Check Valve, True Union, Spring-Loaded, 3", PVC/EPDM, Socket, Adjustable 2-15 psi SLC10300SEU
Hayward Flow Control

Y-Check Valve, True Union, Spring-Loaded, 3", PVC/EPDM, Socket, Adjustable 2-15 psi

Zoro # G6641293
Mfr # SLC10300SEU
product price:  $759.99
/ea
Bonomi 3" Double Door Check Valve NC150E-3
Bonomi

3" Double Door Check Valve

Zoro # G7565209
Mfr # NC150E-3
product price:  $114.99
/ea
Sharpe Check Valve, 2.54 in Overall L 4371000300
Sharpe

Check Valve, 2.54 in Overall L

Zoro # G308258810
Mfr # 4371000300
product price:  $77.99
/ea
Hayward Flow Control Y-Check Valve, True Union, Spring-Loaded, 1", PVC/EPDM, Threaded, Adjustable 2-15 psi SLC10100TEU
Hayward Flow Control

Y-Check Valve, True Union, Spring-Loaded, 1", PVC/EPDM, Threaded, Adjustable 2-15 psi

Zoro # G6641266
Mfr # SLC10100TEU
product price:  $340.99
/ea
Bonomi North America 1/2in INLINE STAINLESS STEEL CHECK Valve S250-1/2
Bonomi North America

1/2in INLINE STAINLESS STEEL CHECK Valve

Zoro # G911494155
Mfr # S250-1/2
product price:  $31.79
/ea
Zoro Select Check Valve, 3", 316, Thrd 200 4373002190
Zoro Select

Check Valve, 3", 316, Thrd 200

Zoro # G1461892
Mfr # 4373002190
product price:  $650.99
/ea
Champion 8" Flanged Stainless Steel Spring Check Valve 8SDX15-SSVS-R1/4
Champion

8" Flanged Stainless Steel Spring Check Valve

Zoro # G7330989
Mfr # 8SDX15-SSVS-R1/4
product price:  $2,809.99
/ea
Hayward Flow Control Wafer Check Valve, 3 in Overall L WCV1600V
Hayward Flow Control

Wafer Check Valve, 3 in Overall L

Zoro # G5035274
Mfr # WCV1600V
product price:  $759.99
/ea
Simmons 3/4 In. Bronze Female Thread Check Valve 7502
Simmons

3/4 In. Bronze Female Thread Check Valve

Zoro # G711360575
Mfr # 7502
product price:  $23.89
/ea
Smith-Cooper 1/2" C X C Brass Inline Check Valve 4347003820
Smith-Cooper

1/2" C X C Brass Inline Check Valve

Zoro # G6775927
Mfr # 4347003820
product price:  $8.35
/ea
Chicago Valves And Controls 2", Stainless Steel 200 WOG Socket Weld Swing Check Valve 4266SW020
Chicago Valves And Controls

2", Stainless Steel 200 WOG Socket Weld Swing Check Valve

Zoro # G9161331
Mfr # 4266SW020
product price:  $267.99
/ea
Delzone No. 5 Check Valve Spring Style DELCO0103
Delzone

No. 5 Check Valve Spring Style

Zoro # G410528566
Mfr # DELCO0103
product price:  $41.29
/ea
Basiks Check Valve, PVC, 3", EPDM, Threaded TBC360-300EPT-PV
Basiks

Check Valve, PVC, 3", EPDM, Threaded

Zoro # G7194761
Mfr # TBC360-300EPT-PV
product price:  $281.99
/ea
Hammond Valve Swing Check Valve, 6.125 in Overall L 968 2
Hammond Valve

Swing Check Valve, 6.125 in Overall L

Zoro # G3389154
Mfr # 968 2
product price:  $242.99
/ea
Sold in mult. of 2 for $485.98
Jomar Valve 4" NPT Lead Free Brass Horizontal Check Valve T-501G
Jomar Valve

4" NPT Lead Free Brass Horizontal Check Valve

Zoro # G7042659
Mfr # T-501G
product price:  $528.99
/ea
Milwaukee Valve 1-1/2" Solder Low Lead Brass Swing Check Valve UP0968000112
Milwaukee Valve

1-1/2" Solder Low Lead Brass Swing Check Valve

Zoro # G4226101
Mfr # UP0968000112
product price:  $169.99
/ea
Allstar Performance 1.25 in. Spring-Loaded Overflow Check Valve ALL40203
Allstar Performance

1.25 in. Spring-Loaded Overflow Check Valve

Zoro # G215695708
Mfr # ALL40203
product price:  $122.99
/ea
Check Valves (3,500+ items) - Page 51
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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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