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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 34

Bonomi North America Check Valve, In-Line, Spring Loaded, High Flow, 1 in Pipe Size, Lead-Free Brass Body 100012LF-1
Bonomi North America

Check Valve, In-Line, Spring Loaded, High Flow, 1 in Pipe Size, Lead-Free Brass Body

Zoro # G111494160
Mfr # 100012LF-1
product price: 
$24.59
/ea
Legend Valve Check Valve, S-614 Series, PVC, 2 in 203-238
Legend Valve

Check Valve, S-614 Series, PVC, 2 in

Zoro # G908588706
Mfr # 203-238
product price: 
$62.55
/ea
Bonomi North America Check Valve, In-Line Spring Loaded, High Flow, Lead Free Brass, 2 in Pipe Size 100012LF-2
Bonomi North America

Check Valve, In-Line Spring Loaded, High Flow, Lead Free Brass, 2 in Pipe Size

Zoro # G211494190
Mfr # 100012LF-2
product price: 
$77.69
/ea
Asahi 4" Flanged PVC Swing Check Valve, Max. Pressure: 100 psi 1206040
Asahi

4" Flanged PVC Swing Check Valve, Max. Pressure: 100 psi

Zoro # G6199623
Mfr # 1206040
product price: 
$1,829.99
/ea
Discover Check Valve, Spring, 3-Piece, 1/2 in, FNPT x FNPT, 316 Stainless Steel 102750
Discover

Check Valve, Spring, 3-Piece, 1/2 in, FNPT x FNPT, 316 Stainless Steel

Zoro # G215879757
Mfr # 102750
product price: 
$14.99
/ea
Thrifco Plumbing Swing Check Valve, Threaded, PVC, 1-1/2 in 6415314
Thrifco Plumbing

Swing Check Valve, Threaded, PVC, 1-1/2 in

Zoro # G309549573
Mfr # 6415314
product price: 
$29.59
/ea
Parker 1/4" CPI(R) Brass Instrumentation Check Valve 4Z-C4L-10-BN-B
Parker

1/4" CPI(R) Brass Instrumentation Check Valve

Zoro # G2132733
Mfr # 4Z-C4L-10-BN-B
product price: 
$74.49
/ea
Watts Lf7Ru2-2 1" Dual Check Valve LF7RU2-2
Watts

Lf7Ru2-2 1" Dual Check Valve

Zoro # G6073777
Mfr # LF7RU2-2
product price: 
$161.99
/ea
Usa Industrials Check Valve, Inline Swing, 1/2 in FNPT x FNPT, 304 Stainless Steel Body, 2 1/2 in L ZUSA-VLV-128
Usa Industrials

Check Valve, Inline Swing, 1/2 in FNPT x FNPT, 304 Stainless Steel Body, 2 1/2 in L

Zoro # G300716059
Mfr # ZUSA-VLV-128
product price: 
$65.49
/ea
Zoro Select Check Valve, H021N01 Series, Inline Spring Piston, 1/4 in FNPT, 316 Stainless Steel 06H021N01014
Zoro Select

Check Valve, H021N01 Series, Inline Spring Piston, 1/4 in FNPT, 316 Stainless Steel

Zoro # G005657411
Mfr # 06H021N01014
product price: 
$21.89
/ea
Vibrant Inline Check Valve, Female to Male, 6AN V32-11116
Vibrant

Inline Check Valve, Female to Male, 6AN

Zoro # G610528601
Mfr # V32-11116
product price: 
$75.39
/ea
Vibrant Inline Check Valve, 8AN Female x Male V32-11118
Vibrant

Inline Check Valve, 8AN Female x Male

Zoro # G010528546
Mfr # V32-11118
product price: 
$71.55
/ea
Danfoss Check Valve, NRV 19S, 7/8 in ODF 020B1054
Danfoss

Check Valve, NRV 19S, 7/8 in ODF

Zoro # G110066061
Mfr # 020B1054
product price: 
$157.99
/ea
No Product Image Available
Keckley

3" Flanged Flanged Triple Duty Valve

Zoro # G3820210
Mfr # TDV-300
product price: 
$735.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 2", PP/FPM, Threaded TC30200T
Hayward Flow Control

Check Valve, True Union, Ball, 2", PP/FPM, Threaded

Zoro # G1207324
Mfr # TC30200T
product price: 
$410.99
/ea
Keckley 2" Globe Check Valve, Length: 6-11/16" 2CG4R-36-36336
Keckley

2" Globe Check Valve, Length: 6-11/16"

Zoro # G3819888
Mfr # 2CG4R-36-36336
product price: 
$1,805.99
/ea
Legend Valve Check Valve, T-451 Series, 1/2 in, FNPT x FNPT, Brass 105-103
Legend Valve

Check Valve, T-451 Series, 1/2 in, FNPT x FNPT, Brass

Zoro # G1787015
Mfr # 105-103
product price: 
$13.15
/ea
Apollo Valves 1/2" Press Lead Free Bronze Ball Cone Check Valve 61LF10301PR
Apollo Valves

1/2" Press Lead Free Bronze Ball Cone Check Valve

Zoro # G4679053
Mfr # 61LF10301PR
product price: 
$52.69
/ea
Legend Valve Check Valve, T-312, Wafer, 2-1/2 in, Ductile Iron Body, SS316 116-232
Legend Valve

Check Valve, T-312, Wafer, 2-1/2 in, Ductile Iron Body, SS316

Zoro # G1801100
Mfr # 116-232
product price: 
$78.15
/ea
Everflow Inline Spring Loaded Check Valve, FIP Connection, Cast Brass Body, 3/4 in 150T034-NL
Everflow

Inline Spring Loaded Check Valve, FIP Connection, Cast Brass Body, 3/4 in

Zoro # G901106884
Mfr # 150T034-NL
product price: 
$18.59
/ea
Anchor Fluid Power Check Valve, 1/4 in NPTF, Threaded, Carbon Steel Plated, 7 psi Cracking Pressure CN1/4-1-7
Anchor Fluid Power

Check Valve, 1/4 in NPTF, Threaded, Carbon Steel Plated, 7 psi Cracking Pressure

Zoro # G902014423
Mfr # CN1/4-1-7
product price: 
$46.29
/ea
Watts Dual Check Valve, 3/4 in Pipe Size LF7RU2-2
Watts

Dual Check Valve, 3/4 in Pipe Size

Zoro # G6075247
Mfr # LF7RU2-2
product price: 
$139.99
/ea
Valterra Check Valve, 3.3824 in Overall L 200-15
Valterra

Check Valve, 3.3824 in Overall L

Zoro # G9782717
Mfr # 200-15
product price: 
$18.79
/ea
Champion 8" Flanged Carbon Steel Wafer Check Valve 8SD15-CSBS-R
Champion

8" Flanged Carbon Steel Wafer Check Valve

Zoro # G7304431
Mfr # 8SD15-CSBS-R
product price: 
$1,012.99
/ea
Dixon 1/2" FNPT Stainless Steel Ball Cone Check Valve 62-103
Dixon

1/2" FNPT Stainless Steel Ball Cone Check Valve

Zoro # G6556649
Mfr # 62-103
product price: 
$148.99
/ea
Grundfos 3-Speed Circulator Pump, 1/25 hp UPS15-58FR
Grundfos

3-Speed Circulator Pump, 1/25 hp

Zoro # G6068256
Mfr # UPS15-58FR
product price: 
$245.99
/ea
Everflow Sump Pump Check Valve, 1-1/2 x 1-1/4 in SPCV112
Everflow

Sump Pump Check Valve, 1-1/2 x 1-1/4 in

Zoro # G501106901
Mfr # SPCV112
product price: 
$19.75
/ea
Champion 6" Flanged Stainless Steel Wafer Check Valve 6SD15-SSBS-R
Champion

6" Flanged Stainless Steel Wafer Check Valve

Zoro # G7304459
Mfr # 6SD15-SSBS-R
product price: 
$867.99
/ea
Parker 1/4" CPI(R) Stainless Steel Instrumentation Check Valve 4Z-C4L-10-SS
Parker

1/4" CPI(R) Stainless Steel Instrumentation Check Valve

Zoro # G1278514
Mfr # 4Z-C4L-10-SS
product price: 
$120.99
/ea
Milwaukee Valve 1/2" Solder Bronze Swing Y Check Valve 1509Y 1/2"
Milwaukee Valve

1/2" Solder Bronze Swing Y Check Valve

Zoro # G3893547
Mfr # 1509Y 1/2"
product price: 
$108.99
/ea
Chicago Valves And Controls 1-1/2", Forged Steel Class 800 Swing Check Valve, FNPT 484TE015
Chicago Valves And Controls

1-1/2", Forged Steel Class 800 Swing Check Valve, FNPT

Zoro # G9160257
Mfr # 484TE015
product price: 
$148.99
/ea
Discover Spring Check Valve, 3-Piece, FNPT x FNPT, 316 Stainless Steel, 2 in 102755
Discover

Spring Check Valve, 3-Piece, FNPT x FNPT, 316 Stainless Steel, 2 in

Zoro # G015879735
Mfr # 102755
product price: 
$103.99
/ea
Milwaukee Valve 1" Solder Low Lead Bronze Spring Check Valve UP1548T 1
Milwaukee Valve

1" Solder Low Lead Bronze Spring Check Valve

Zoro # G2031172
Mfr # UP1548T 1
product price: 
$79.99
/ea
Legend Valve Check Valve, T-312, Wafer, 6 in, Ductile Iron Body, Stainless Steel 316 Disc 116-236
Legend Valve

Check Valve, T-312, Wafer, 6 in, Ductile Iron Body, Stainless Steel 316 Disc

Zoro # G1842875
Mfr # 116-236
product price: 
$259.99
/ea
No Product Image Available
Keckley

4" Flanged Flanged Triple Duty Valve

Zoro # G3819982
Mfr # TDV-400
product price: 
$1,302.99
/ea
Resideo Service Check Valve SCV-050
Resideo

Service Check Valve

Zoro # G510473957
Mfr # SCV-050
product price: 
$25.89
/ea
Check Valves (3,500+ items) - Page 34
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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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