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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 40

Jomar Valve 1" Solder Lead Free Bronze Y Check Valve S-511G
Jomar Valve

1" Solder Lead Free Bronze Y Check Valve

Zoro # G7145035
Mfr # S-511G
product price: 
$77.49
/ea
Powerhouse Line Check Valve, 1 to 1-1/2 in. PO260993
Powerhouse

Line Check Valve, 1 to 1-1/2 in.

Zoro # G711941392
Mfr # PO260993
product price: 
$49.45
/ea
Dayton 1-1/4" or 1-1/2" MNPT TPR Screw-In Check Valve 4UN78
Dayton

1-1/4" or 1-1/2" MNPT TPR Screw-In Check Valve

Zoro # G1522875
Mfr # 4UN78
product price: 
$51.59
/ea
B & K Magic Plastics 2 in. D X 2 in. D Slip PVC Quiet Check Valve 0821-20HC
B & K

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

Zoro # G7696504
Mfr # 0821-20HC
product price: 
$47.15
/ea
Watts Backflow Preventer, 1 in 0072205
Watts

Backflow Preventer, 1 in

Zoro # G009244600
Mfr # 0072205
product price: 
$125.99
/ea
Hands On Check Valve Leader Hose, Stainless Steel Braided, 24 in HA757510
Hands On

Check Valve Leader Hose, Stainless Steel Braided, 24 in

Zoro # G215193679
Mfr # HA757510
product price: 
$61.15
/ea
Asahi Swing Check Valve, 4 in Pipe Size, Flanged, PP Body, FKM Seal 1207040
Asahi

Swing Check Valve, 4 in Pipe Size, Flanged, PP Body, FKM Seal

Zoro # G613788071
Mfr # 1207040
product price: 
$3,497.99
/ea
Ham-Let Instrumentation Check Valve, H400 Series, Inline Spring, 3/8 in Let-Lok x Let-Lok, 316 SS, 1 psi H-400-SS-L-3/8-1PSI
Ham-Let

Instrumentation Check Valve, H400 Series, Inline Spring, 3/8 in Let-Lok x Let-Lok, 316 SS, 1 psi

Zoro # G108258829
Mfr # H-400-SS-L-3/8-1PSI
product price: 
$150.99
/ea
Zoeller Check Valve, In-Line, Threaded, PVC, 1-1/2 in 30-0238
Zoeller

Check Valve, In-Line, Threaded, PVC, 1-1/2 in

Zoro # G504084978
Mfr # 30-0238
product price: 
$40.39
/ea
Discover Check Valve, Spring, 3-Piece, 3/4 in, FNPT x FNPT, 316 Stainless Steel 102751
Discover

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

Zoro # G815879737
Mfr # 102751
product price: 
$31.15
/ea
Keckley 5" Globe Check Valve, Body Material: Cast Stainless Steel 5CG4R-36-36336
Keckley

5" Globe Check Valve, Body Material: Cast Stainless Steel

Zoro # G3819879
Mfr # 5CG4R-36-36336
product price: 
$6,130.99
/ea
Asahi Ball Check Valve, Inline, 1/2 in Pipe Size, Union Socket x Union Socket, PVC Body 1213005
Asahi

Ball Check Valve, Inline, 1/2 in Pipe Size, Union Socket x Union Socket, PVC Body

Zoro # G6162208
Mfr # 1213005
product price: 
$62.29
/ea
Thrifco Plumbing Swing Check Valve, 2 in, Threaded, Brass 6415406
Thrifco Plumbing

Swing Check Valve, 2 in, Threaded, Brass

Zoro # G109549445
Mfr # 6415406
product price: 
$86.49
/ea
Ez-Fluid Swing Check Valve, Threaded, Brass, 1-1/2 in EZSCT112
Ez-Fluid

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

Zoro # G513121046
Mfr # EZSCT112
product price: 
$45.65
/ea
Legend Valve Check Valve, S-611 Series, 1 in, Solvent x Solvent, Stainless Steel Body 203-205
Legend Valve

Check Valve, S-611 Series, 1 in, Solvent x Solvent, Stainless Steel Body

Zoro # G1774248
Mfr # 203-205
product price: 
$11.75
/ea
Legend Valve Check Valve, Y-Pattern, 1 in, Sweat x Sweat, Bronze 105-405NL
Legend Valve

Check Valve, Y-Pattern, 1 in, Sweat x Sweat, Bronze

Zoro # G1785798
Mfr # 105-405NL
product price: 
$54.39
/ea
Superjock Inline Scupper Check Valve, Double Barb, 1.125 in, Black SU2561044
Superjock

Inline Scupper Check Valve, Double Barb, 1.125 in, Black

Zoro # G610045085
Mfr # SU2561044
product price: 
$49.29
/ea
Vne Spring Check Valve, 45C-6 Series, Inline, Clamp x Clamp, 1 1/2 in, 316L Stainless Steel 45C-61.5-E
Vne

Spring Check Valve, 45C-6 Series, Inline, Clamp x Clamp, 1 1/2 in, 316L Stainless Steel

Zoro # G708363558
Mfr # 45C-61.5-E
product price: 
$374.99
/ea
Chicago Valves And Controls 1", Forged Steel Class 800 Piston Check Valve, FNPT P484TE010
Chicago Valves And Controls

1", Forged Steel Class 800 Piston Check Valve, FNPT

Zoro # G9158699
Mfr # P484TE010
product price: 
$77.33
/ea
Sharpe Check Valve, 2483SC Series, Inline Swing, 1 in, Socket Weld x Socket Weld, Carbon Steel 4371000740
Sharpe

Check Valve, 2483SC Series, Inline Swing, 1 in, Socket Weld x Socket Weld, Carbon Steel

Zoro # G708258922
Mfr # 4371000740
product price: 
$88.99
/ea
Legend Valve Check Valve, T-311, Flanged, Cast Iron, 2-1/2 in 116-202
Legend Valve

Check Valve, T-311, Flanged, Cast Iron, 2-1/2 in

Zoro # G1849050
Mfr # 116-202
product price: 
$259.99
/ea
Ham-Let Instrumentation Check Valve, H400-HP Series, 1/4 in, Let-Lok x Let-Lok, 316 Stainless Steel H-400HP-SS-L-1/4-1/3PSI
Ham-Let

Instrumentation Check Valve, H400-HP Series, 1/4 in, Let-Lok x Let-Lok, 316 Stainless Steel

Zoro # G808258792
Mfr # H-400HP-SS-L-1/4-1/3PSI
product price: 
$147.99
/ea
Milwaukee Valve 3/4" Solder Bronze Swing Y Check Valve 1509Y 3/4"
Milwaukee Valve

3/4" Solder Bronze Swing Y Check Valve

Zoro # G4117303
Mfr # 1509Y 3/4"
product price: 
$118.99
/ea
Ez-Fluid Swing Check Valve, Threaded, 1/2 in Pipe Size, Brass EZSCT12
Ez-Fluid

Swing Check Valve, Threaded, 1/2 in Pipe Size, Brass

Zoro # G313120850
Mfr # EZSCT12
product price: 
$11.55
/ea
Keckley 8" Wafer Check Valve, Width: 6-1/2" 8CW2R-36-36336
Keckley

8" Wafer Check Valve, Width: 6-1/2"

Zoro # G3819337
Mfr # 8CW2R-36-36336
product price: 
$3,800.99
/ea
Milwaukee Valve Swing Y Check Valve, 7.875 in Overall L 507 3
Milwaukee Valve

Swing Y Check Valve, 7.875 in Overall L

Zoro # G0437263
Mfr # 507 3
product price: 
$1,236.39
/ea
Conbraco Check Valve, Ball-Cone, 1/4 in, Stainless Steel 62-101-01
Conbraco

Check Valve, Ball-Cone, 1/4 in, Stainless Steel

Zoro # G709981775
Mfr # 62-101-01
product price: 
$161.99
/ea
Keckley 10" Wafer Check Valve, Length: 16" 10CW2R-36-36336
Keckley

10" Wafer Check Valve, Length: 16"

Zoro # G3819361
Mfr # 10CW2R-36-36336
product price: 
$5,340.99
/ea
Keckley Globe Check Valve, Flanged, Cast Stainless Steel Body, 10 in Pipe Size 10CG2R-36-36336
Keckley

Globe Check Valve, Flanged, Cast Stainless Steel Body, 10 in Pipe Size

Zoro # G3819851
Mfr # 10CG2R-36-36336
product price: 
$10,508.99
/ea
Ham-Let Instrumentation Check Valve, H400 Series, Inline Spring, 1/2 in MNPT x MNPT, 316 SS H-480-SS-N-1/2-1/3PSI
Ham-Let

Instrumentation Check Valve, H400 Series, Inline Spring, 1/2 in MNPT x MNPT, 316 SS

Zoro # G708258854
Mfr # H-480-SS-N-1/2-1/3PSI
product price: 
$189.99
/ea
Little Giant Pump Check Valve, Condensate Pump, Inline Ball, FNPT x MNPT, 1/4 in NPT, Buna-N 599061
Little Giant Pump

Check Valve, Condensate Pump, Inline Ball, FNPT x MNPT, 1/4 in NPT, Buna-N

Zoro # G0455725
Mfr # 599061
product price: 
$13.69
/ea
Dayton 2" Compression PVC Swing Check Valve 4RG89
Dayton

2" Compression PVC Swing Check Valve

Zoro # G1518851
Mfr # 4RG89
product price: 
$207.99
/ea
Parker 1/4" A-LOK(R) Brass Instrumentation Check Valve 4A-C4L-10-BN-B
Parker

1/4" A-LOK(R) Brass Instrumentation Check Valve

Zoro # G1475652
Mfr # 4A-C4L-10-BN-B
product price: 
$70.59
/ea
Hammond Valve Swing Check Valve, 967 Series, 1 in, FNPT x FNPT, Inline, Brass 967 1
Hammond Valve

Swing Check Valve, 967 Series, 1 in, FNPT x FNPT, Inline, Brass

Zoro # G1199125
Mfr # 967 1
product price: 
$100.99
/ea
Dayton Spring Check Valve, Inline, 1 1/4 in, Slip x Slip, PVC Body, 6 3/8 in Overall L 4RG73
Dayton

Spring Check Valve, Inline, 1 1/4 in, Slip x Slip, PVC Body, 6 3/8 in Overall L

Zoro # G3099957
Mfr # 4RG73
product price: 
$80.49
/ea
Legend Valve 2" T-750 S.S. CHECK VALVE 113-438
Legend Valve

2" T-750 S.S. CHECK VALVE

Zoro # G1789508
Mfr # 113-438
product price: 
$220.18
/ea
Check Valves (3,500+ items) - Page 40
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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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