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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 32

H2Flow Controls FV-C-Saline 2-2.5 in. Flowvis Complete Flow Meter & Saline Applications with GPM Scale FV-C-Saline
H2Flow Controls

FV-C-Saline 2-2.5 in. Flowvis Complete Flow Meter & Saline Applications with GPM Scale

Zoro # G303993143
Mfr # FV-C-Saline
product price:  $259.99
/ea
Zoro Select 1/8" FNPT Gray PVC Ball Cone Spring Check Valve PVC CHK 426-2F2F-B
Zoro Select

1/8" FNPT Gray PVC Ball Cone Spring Check Valve

Zoro # G0565844
Mfr # PVC CHK 426-2F2F-B
product price:  $17.29
/ea
Milwaukee Valve 3/4" Threaded Low Lead Bronze Spring Check Valve UP509 3/4
Milwaukee Valve

3/4" Threaded Low Lead Bronze Spring Check Valve

Zoro # G1820402
Mfr # UP509 3/4
product price:  $88.10
/ea
Bonomi North America 2-1/2in LEAD FREE HIGH FLOW RATE IN-LINE SPRING LOADED CHECK VALVE 100012LF-2-1/2
Bonomi North America

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

Zoro # G411494181
Mfr # 100012LF-2-1/2
product price:  $127.99
/ea
Proline Series Check Valve, PVC, Solvent, 1/2" 101-603
Proline Series

Check Valve, PVC, Solvent, 1/2"

Zoro # G7817428
Mfr # 101-603
product price:  $2.95
/ea
Sold in mult. of 3 for $8.85
Gentec Regulator Bushing Adapter Check Valves Pair Oxygen And Fuel 24-CV9PR
Gentec

Regulator Bushing Adapter Check Valves Pair Oxygen And Fuel

Zoro # G709978836
Mfr # 24-CV9PR
product price:  $18.45
/ea
Hayward Flow Control Y-Check Valve, True Union, 2", PVC/EPDM, Threaded YC10200TEU
Hayward Flow Control

Y-Check Valve, True Union, 2", PVC/EPDM, Threaded

Zoro # G6684282
Mfr # YC10200TEU
product price:  $331.99
/ea
Eco-Flo PL Sump Check Valve, 1-1/4 in- 1-1/2 in EFSCV125
Eco-Flo

PL Sump Check Valve, 1-1/4 in- 1-1/2 in

Zoro # G2121535
Mfr # EFSCV125
product price:  $6.59
/ea
Sold in mult. of 3 for $19.77
Zoro Select Check Valve, 2.13 in Overall L 06H021N01014
Zoro Select

Check Valve, 2.13 in Overall L

Zoro # G005657411
Mfr # 06H021N01014
product price:  $21.19
/ea
Hayward Flow Control Y-Check Valve, True Union, Spring-Loaded, 2", PVC/FPM, Socket, Adjustable 2-15 psi SLC10200SU
Hayward Flow Control

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

Zoro # G7189061
Mfr # SLC10200SU
product price:  $474.99
/ea
Milwaukee Valve 1/2" Threaded Low Lead Brass Swing Check Valve UP0967000012
Milwaukee Valve

1/2" Threaded Low Lead Brass Swing Check Valve

Zoro # G4107126
Mfr # UP0967000012
product price:  $62.99
/ea
Hayward Flow Control Check Valve, Wafer, 6", PVC/FPM, with SS Spring WCV1600VS
Hayward Flow Control

Check Valve, Wafer, 6", PVC/FPM, with SS Spring

Zoro # G4997937
Mfr # WCV1600VS
product price:  $869.99
/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
Dayton 1-1/2" Compression PVC Swing Check Valve 4RG88
Dayton

1-1/2" Compression PVC Swing Check Valve

Zoro # G1323917
Mfr # 4RG88
product price:  $74.19
/ea
No Product Image Available
Jaco

Check Valves, 1.5"L, 13/16" Sz, PK5

Zoro # G122577203
Mfr # CV-6-K
product price:  $83.59
/pk 5, $16.72/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:  $142.99
/ea
Watts Lf7Ru2-2 3/4" Dual Check Valve LF7RU2-2
Watts

Lf7Ru2-2 3/4" Dual Check Valve

Zoro # G6075247
Mfr # LF7RU2-2
product price:  $139.41
/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:  $964.99
/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:  $783.99
/ea
Hayward Flow Control Y-Check Valve, 2", CPVC/FPM, Socket YC20200S
Hayward Flow Control

Y-Check Valve, 2", CPVC/FPM, Socket

Zoro # G7198615
Mfr # YC20200S
product price:  $859.99
/ea
Hayward Flow Control Y-Check Valve, 1-1/2", PVC/EPDM, Flanged YC10150FE
Hayward Flow Control

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

Zoro # G6419497
Mfr # YC10150FE
product price:  $319.99
/ea
H2Flow Controls FV-4 4 in. Flowvis Complete Flow Meter with GPM Scale FV-4
H2Flow Controls

FV-4 4 in. Flowvis Complete Flow Meter with GPM Scale

Zoro # G503993097
Mfr # FV-4
product price:  $697.99
/ea
Bonomi North America 1in LEAD FREE HIGH FLOW RATE IN-LINE SPRING LOADED CHECK VALVE 100012LF-1
Bonomi North America

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

Zoro # G111494160
Mfr # 100012LF-1
product price:  $24.59
/ea
Asahi 3" Flanged Ball Check Valve, Material of Construction: PVC 1215030
Asahi

3" Flanged Ball Check Valve, Material of Construction: PVC

Zoro # G6193831
Mfr # 1215030
product price:  $606.99
/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
Smith-Cooper SW Check IPS 200 NSF, NL 1/2" 4347002810
Smith-Cooper

SW Check IPS 200 NSF, NL 1/2"

Zoro # G6775647
Mfr # 4347002810
product price:  $8.24
/ea
Sold in mult. of 2 for $16.48
Discover 1/2 in. 3 Piece Stainless Steel Spring Check Valve 102750
Discover

1/2 in. 3 Piece Stainless Steel Spring Check Valve

Zoro # G215879757
Mfr # 102750
product price:  $14.99
/ea
No Product Image Available
Leonard Valve

Large Valve Check Repair Kit

Zoro # G916244496
Mfr # KIT 2/200/Y
product price:  $242.99
/ea
Anchor Fluid Power 1/4" NPTF THREADED CHECK VALVE CARBON STEEL PLATED, 7 PSI CRACKING PRESSURE CN1/4-1-7
Anchor Fluid Power

1/4" NPTF THREADED CHECK VALVE CARBON STEEL PLATED, 7 PSI CRACKING PRESSURE

Zoro # G902014423
Mfr # CN1/4-1-7
product price:  $46.29
/ea
Usa Industrials Check Valves, 2.5 in Overall L ZUSA-VLV-128
Usa Industrials

Check Valves, 2.5 in Overall L

Zoro # G300716059
Mfr # ZUSA-VLV-128
product price:  $62.99
/ea
Zoro Select 3/8" FNPT Brass Poppet Spring Check Valve CHK BRS 650-6F6F-F
Zoro Select

3/8" FNPT Brass Poppet Spring Check Valve

Zoro # G1736375
Mfr # CHK BRS 650-6F6F-F
product price:  $26.49
/ea
Zoro Select 1/4" MNPT x FNPT Stainless Steel Piston Spring Check Valve CHK SST 410-4M4F-F
Zoro Select

1/4" MNPT x FNPT Stainless Steel Piston Spring Check Valve

Zoro # G0666233
Mfr # CHK SST 410-4M4F-F
product price:  $40.79
/ea
Cole-Parmer Miniature Check Valve, PVDF Housing, Viton diaphragm, 3/8in ID GM95FFA
Cole-Parmer

Miniature Check Valve, PVDF Housing, Viton diaphragm, 3/8in ID

Zoro # G714185489
Mfr # GM95FFA
product price:  $11.35
/ea
Superior Pump 1-1/4'' MPTx1-1/4'' Barb or 1-1/2'' Slip ABS Check Valve 99507
Superior Pump

1-1/4'' MPTx1-1/4'' Barb or 1-1/2'' Slip ABS Check Valve

Zoro # G721884641
Mfr # 99507
product price:  $13.29
/ea
Cole-Parmer Miniature Check Valve, Polypropylene Housing, Viton diaphragm, 1/8in ID GM32PFA
Cole-Parmer

Miniature Check Valve, Polypropylene Housing, Viton diaphragm, 1/8in ID

Zoro # G114185478
Mfr # GM32PFA
product price:  $3.95
/ea
Sold in mult. of 2 for $7.90
Water Source SPC-250 Inline Sump Check Valve, 1-1/2 in, MNPT, PVC Body SPC250
Water Source

SPC-250 Inline Sump Check Valve, 1-1/2 in, MNPT, PVC Body

Zoro # G716054905
Mfr # SPC250
product price:  $9.55
/ea
Check Valves (3,500+ items) - Page 32
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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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1/2" npt stainless steel3" cast iron trapzoeller quiet check valveplast-o-matic 2" ball valve2.5 inch check valve
check valve 1/8in tank check valveparker stainless steel filtercheck valve control checkflange mount check valve

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