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  1. Home
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  3. Plumbing
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  5. Pipes, Valves & Fittings
  6. /
  7. Valves
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  9. Check Valves

Check Valves (3,500+ items) - Page 33

Honeywell 50043683-001 Backflow Prevention 50043683-0
Honeywell

50043683-001 Backflow Prevention

Zoro # G6068265
Mfr # 50043683-0
product price:  $101.99
/ea
Danfoss 7/8 in. ODF NRV 19S Check Valve 020B1054
Danfoss

7/8 in. ODF NRV 19S Check Valve

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:  $658.99
/ea
Dayton Spring Check Valve, 4.5938 in Overall L 4RG71
Dayton

Spring Check Valve, 4.5938 in Overall L

Zoro # G1611075
Mfr # 4RG71
product price:  $57.79
/ea
Milwaukee Valve 1" Solder Bronze Swing Check Valve 1509 1"
Milwaukee Valve

1" Solder Bronze Swing Check Valve

Zoro # G2575483
Mfr # 1509 1"
product price:  $70.29
/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
Hayward Flow Control Y-Check Valve, True Union, 1-1/2", PVC/EPDM, Threaded YC10150TEU
Hayward Flow Control

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

Zoro # G6667026
Mfr # YC10150TEU
product price:  $296.99
/ea
Everflow Sump Pump Check Valve 1-1/2"x1-1/4" SPCV112
Everflow

Sump Pump Check Valve 1-1/2"x1-1/4"

Zoro # G501106901
Mfr # SPCV112
product price:  $19.75
/ea
Everflow FIP Inline Spring Loaded Check Valve, Cast Brass 3/4" 150T034-NL
Everflow

FIP Inline Spring Loaded Check Valve, Cast Brass 3/4"

Zoro # G901106884
Mfr # 150T034-NL
product price:  $18.59
/ea
Grundfos Ups15-58Frc 1/25 Hp 3 Speed UPS15-58FR
Grundfos

Ups15-58Frc 1/25 Hp 3 Speed

Zoro # G6068256
Mfr # UPS15-58FR
product price:  $246.00
/ea
Val-Matic 2-1/2" Flanged Cast Iron Silent Check Valve 1825A-DSY
Val-Matic

2-1/2" Flanged Cast Iron Silent Check Valve

Zoro # G2679004
Mfr # 1825A-DSY
product price:  $683.99
/ea
Bonomi North America 3/4in LEAD FREE HIGH FLOW RATE IN-LINE SPRING LOADED CHECK VALVE 100012LF-3/4
Bonomi North America

3/4in LEAD FREE HIGH FLOW RATE IN-LINE SPRING LOADED CHECK VALVE

Zoro # G211494220
Mfr # 100012LF-3/4
product price:  $19.25
/ea
Jomar Valve 1-1/2" NPT Brass Horizontal Check Valve T-501
Jomar Valve

1-1/2" NPT Brass Horizontal Check Valve

Zoro # G7143285
Mfr # T-501
product price:  $55.29
/ea
Ssi 6" Wafer Flange Stainless Steel Double Disc Check Valve 0600-150WTTTM-T
Ssi

6" Wafer Flange Stainless Steel Double Disc Check Valve

Zoro # G3034726
Mfr # 0600-150WTTTM-T
product price:  $1,573.99
/ea
Discover 2 in. 3 Piece Stainless Steel Spring Check Valve 102755
Discover

2 in. 3 Piece Stainless Steel Spring Check Valve

Zoro # G015879735
Mfr # 102755
product price:  $103.99
/ea
Thrifco Plumbing 1-1/2 Inch Threaded PVC Swing Check Valve 6415314
Thrifco Plumbing

1-1/2 Inch Threaded PVC Swing Check Valve

Zoro # G309549573
Mfr # 6415314
product price:  $29.59
/ea
Hammond Valve Swing Check Valve, 2.125 in Overall L 967 1/2
Hammond Valve

Swing Check Valve, 2.125 in Overall L

Zoro # G1064201
Mfr # 967 1/2
product price:  $58.85
/ea
Keckley 2" Wafer Check Valve, Body Material: Cast Stainless Steel 2CW2R-36-36336
Keckley

2" Wafer Check Valve, Body Material: Cast Stainless Steel

Zoro # G3819203
Mfr # 2CW2R-36-36336
product price:  $481.99
/ea
Keckley 6" Wafer Check Valve, Body Material: Carbon Steel 6CW2R-CS-36336
Keckley

6" Wafer Check Valve, Body Material: Carbon Steel

Zoro # G3819221
Mfr # 6CW2R-CS-36336
product price:  $1,873.99
/ea
Milwaukee Valve 8" Flanged Cast Steel Swing Check Valve 1570 CB2 8"
Milwaukee Valve

8" Flanged Cast Steel Swing Check Valve

Zoro # G3482157
Mfr # 1570 CB2 8"
product price:  $2,029.99
/ea
Sharpe Check Valve, 2.54 in Overall L 4371000520
Sharpe

Check Valve, 2.54 in Overall L

Zoro # G608258886
Mfr # 4371000520
product price:  $60.69
/ea
Legend Valve 6" T-312 DI WAFER CK SS316 DIS 116-236
Legend Valve

6" T-312 DI WAFER CK SS316 DIS

Zoro # G1842875
Mfr # 116-236
product price:  $259.99
/ea
Midland Industries VALVE CHECK LIFT IN-L 1/4IN FNPT FGD BRS 944428
Midland Industries

VALVE CHECK LIFT IN-L 1/4IN FNPT FGD BRS

Zoro # G321698976
Mfr # 944428
product price:  $34.79
/ea
Water Source PCV125 1.25 in. Plastic Spring Loaded Check Valve. 645820
Water Source

PCV125 1.25 in. Plastic Spring Loaded Check Valve.

Zoro # G210528612
Mfr # 645820
product price:  $36.15
/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
Smc Check Valve One-Touch Fitting, 1/4" TB AK4000-N02
Smc

Check Valve One-Touch Fitting, 1/4" TB

Zoro # G5001836
Mfr # AK4000-N02
product price:  $20.19
/ea
Everflow Press Swing Check Valve, Cast Brass 1-1/2" 400R112-NL
Everflow

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

Zoro # G101106912
Mfr # 400R112-NL
product price:  $85.99
/ea
Proline 0.37 in. Brass Oil Tank Valve 4825451
Proline

0.37 in. Brass Oil Tank Valve

Zoro # G310871403
Mfr # 4825451
product price:  $37.39
/ea
Water Source PFV125 1.25 in. Combination Plastic Foot - Check Valve 645861
Water Source

PFV125 1.25 in. Combination Plastic Foot - Check Valve

Zoro # G914937352
Mfr # 645861
product price:  $43.89
/ea
Pacfab 0.25 in. Chemical Feeder Injection Check Valve 522513Z
Pacfab

0.25 in. Chemical Feeder Injection Check Valve

Zoro # G315695714
Mfr # 522513Z
product price:  $55.99
/ea
B & K 1-1/4 in. D X 1-1/4 in. D FIP Brass Swing Check Valve 240-2-114
B & K

1-1/4 in. D X 1-1/4 in. D FIP Brass Swing Check Valve

Zoro # G8634940
Mfr # 240-2-114
product price:  $32.49
/ea
Simmons 1-1/4'' Bronze Female Thread Check Valve 7504
Simmons

1-1/4'' Bronze Female Thread Check Valve

Zoro # G721868085
Mfr # 7504
product price:  $31.49
/ea
Zoeller 30-0043 2 in. PVC Quiet Check Valve; Clear 30-0043
Zoeller

30-0043 2 in. PVC Quiet Check Valve; Clear

Zoro # G204085022
Mfr # 30-0043
product price:  $76.49
/ea
Champion 3" Flanged Carbon Steel Wafer Check Valve 3SD15-CSBS-R
Champion

3" Flanged Carbon Steel Wafer Check Valve

Zoro # G7344709
Mfr # 3SD15-CSBS-R
product price:  $319.99
/ea
Bonomi 4" NPT Brass Spring Check Valve 100012LF-4"
Bonomi

4" NPT Brass Spring Check Valve

Zoro # G2011375
Mfr # 100012LF-4"
product price:  $392.99
/ea
Brady Magic Plastics 2 in. D X 2 in. D Slip PVC Quiet Check Valve 0823-20C
Brady

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

Zoro # G7702831
Mfr # 0823-20C
product price:  $42.84
/ea
Check Valves (3,500+ items) - Page 33
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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 FittingsCamlock FittingsPipe & Tube Clamps
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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