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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 39

Cole Parmer Miniature Check Valve, Straight, 5/16 in ID, Polypropylene Body, Viton Diaphragm GM79PFA
Cole Parmer

Miniature Check Valve, Straight, 5/16 in ID, Polypropylene Body, Viton Diaphragm

Zoro # G514185504
Mfr # GM79PFA
product price: 
$5.15
/ea
Sold in mult. of 2 for $10.30
Jones Stephens 1-1/4in. Slip x 1-1/2in. Slip Sewage Ejector and Sump Pump Check Valve C29126
Jones Stephens

1-1/4in. Slip x 1-1/2in. Slip Sewage Ejector and Sump Pump Check Valve

Zoro # G512121177
Mfr # C29126
product price: 
$20.85
/ea
Ham-Let Instrumentation Check Valve, H400 Series, 3/4 in Tube Size, Let-Lok x Let-Lok, 316 SS H-400-SS-L-3/4-1/3PSI
Ham-Let

Instrumentation Check Valve, H400 Series, 3/4 in Tube Size, Let-Lok x Let-Lok, 316 SS

Zoro # G808258853
Mfr # H-400-SS-L-3/4-1/3PSI
product price: 
$559.99
/ea
Legend Valve Check Valve, Inline, S-455, Sweat x Sweat, Bronze, 1-1/2 in 105-467NL
Legend Valve

Check Valve, Inline, S-455, Sweat x Sweat, Bronze, 1-1/2 in

Zoro # G1777897
Mfr # 105-467NL
product price: 
$81.79
/ea
B & K Swing Check Valve, 1-1/4 in FIP x 1-1/4 in FIP, Brass 240-2-114
B & K

Swing Check Valve, 1-1/4 in FIP x 1-1/4 in FIP, Brass

Zoro # G8634940
Mfr # 240-2-114
product price: 
$32.49
/ea
Valterra 3/4" FPT PVC Spring Swing Check Valve 200-07F
Valterra

3/4" FPT PVC Spring Swing Check Valve

Zoro # G2684580
Mfr # 200-07F
product price: 
$7.69
/ea
Ham-Let Instrumentation Check Valve, H400-HP Series, 3/8 in Tube Size, Let-Lok x Let-Lok, 316 SS, 1 psi H-400HP-SS-L-3/8-1PSI
Ham-Let

Instrumentation Check Valve, H400-HP Series, 3/8 in Tube Size, Let-Lok x Let-Lok, 316 SS, 1 psi

Zoro # G408258840
Mfr # H-400HP-SS-L-3/8-1PSI
product price: 
$147.99
/ea
Keckley 2-1/2" Globe Check Valve, Length: 7-5/8" 21/2CG3R-CI-B2334
Keckley

2-1/2" Globe Check Valve, Length: 7-5/8"

Zoro # G3819599
Mfr # 21/2CG3R-CI-B2334
product price: 
$498.99
/ea
Keckley 2-1/2" Globe Check Valve, Max. Pressure: 200 psi at 150 Degrees F 21/2CG1F-CI-B2334
Keckley

2-1/2" Globe Check Valve, Max. Pressure: 200 psi at 150 Degrees F

Zoro # G3819547
Mfr # 21/2CG1F-CI-B2334
product price: 
$421.99
/ea
Legend Valve Check Valve, Y-Pattern, S-453, 1-1/4 in, Sweat x Sweat, Bronze 105-406
Legend Valve

Check Valve, Y-Pattern, S-453, 1-1/4 in, Sweat x Sweat, Bronze

Zoro # G1775544
Mfr # 105-406
product price: 
$59.49
/ea
Viega Check Valve, ProPress, Press Connection, 1-1/2 in Pipe Size, Bronze 79055
Viega

Check Valve, ProPress, Press Connection, 1-1/2 in Pipe Size, Bronze

Zoro # G123560525
Mfr # 79055
product price: 
$154.99
/ea
Apollo Valves 1-1/2" Press Lead Free Bronze Ball Cone Check Valve 61LF10701PR
Apollo Valves

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

Zoro # G4653302
Mfr # 61LF10701PR
product price: 
$200.99
/ea
Ham-Let Instrumentation Check Valve, H400-HP Series, Inline Spring Poppet, 1/2 in Let-Lok x Let-Lok, 25 psi H-400HP-SS-L-1/2-25PSI
Ham-Let

Instrumentation Check Valve, H400-HP Series, Inline Spring Poppet, 1/2 in Let-Lok x Let-Lok, 25 psi

Zoro # G208258880
Mfr # H-400HP-SS-L-1/2-25PSI
product price: 
$144.99
/ea
Wayland Y-Ball Check Valve, Clamp Connection, 1.5 in Tube Size, T316L Stainless Steel W645BY-E-15
Wayland

Y-Ball Check Valve, Clamp Connection, 1.5 in Tube Size, T316L Stainless Steel

Zoro # G612506638
Mfr # W645BY-E-15
product price: 
$426.99
/ea
Thrifco Plumbing Check Valve, Swing, CxC, Brass, 3/4 in 6415179
Thrifco Plumbing

Check Valve, Swing, CxC, Brass, 3/4 in

Zoro # G609547712
Mfr # 6415179
product price: 
$22.95
/ea
Conbraco Ball Cone Check Valve, 1 in, Bronze 61-105-01
Conbraco

Ball Cone Check Valve, 1 in, Bronze

Zoro # G009545028
Mfr # 61-105-01
product price: 
$201.99
/ea
Chicago Valves And Controls Swing Check Valve, Socket Weld, 1-1/2 in Pipe Size, 316 Stainless Steel, 200 CWP 4266SW015
Chicago Valves And Controls

Swing Check Valve, Socket Weld, 1-1/2 in Pipe Size, 316 Stainless Steel, 200 CWP

Zoro # G9160318
Mfr # 4266SW015
product price: 
$187.99
/ea
Plumbeeze Sump Pump Check Valve, Full-Flow, ABS Thermoplastic, 1-1/4 in PE-SPC125
Plumbeeze

Sump Pump Check Valve, Full-Flow, ABS Thermoplastic, 1-1/4 in

Zoro # G121864854
Mfr # PE-SPC125
product price: 
$6.81
/ea
Sold in mult. of 2 for $13.62
Everflow Inline Spring-Loaded Check Valve, FIP Connection, Cast Brass, 1-1/4 in 150T114-NL
Everflow

Inline Spring-Loaded Check Valve, FIP Connection, Cast Brass, 1-1/4 in

Zoro # G401106889
Mfr # 150T114-NL
product price: 
$43.29
/ea
Valterra 1" Slip PVC Spring Swing Check Valve 200-10
Valterra

1" Slip PVC Spring Swing Check Valve

Zoro # G9782726
Mfr # 200-10
product price: 
$17.19
/ea
B & K Campbell 1 in. D X 1 in. D FNPT x FNPT Red Brass Spring Loaded Check Valve CV-4TLF
B & K

Campbell 1 in. D X 1 in. D FNPT x FNPT Red Brass Spring Loaded Check Valve

Zoro # G3991188
Mfr # CV-4TLF
product price: 
$40.99
/ea
Campbell Foot and Check Valve, 1 in, Acetal Polymer SFV100
Campbell

Foot and Check Valve, 1 in, Acetal Polymer

Zoro # G721860713
Mfr # SFV100
product price: 
$16.49
/ea
Overtime Swing Check Valve, PVC, 2 in OV2526479
Overtime

Swing Check Valve, PVC, 2 in

Zoro # G914888678
Mfr # OV2526479
product price: 
$91.85
/ea
Honeywell Backflow Preventer 50043683-0
Honeywell

Backflow Preventer

Zoro # G6068265
Mfr # 50043683-0
product price: 
$106.99
/ea
B & K Swing Check Valve, FIP x FIP, 1 in, Brass 240-2-1
B & K

Swing Check Valve, FIP x FIP, 1 in, Brass

Zoro # G8634922
Mfr # 240-2-1
product price: 
$21.59
/ea
Everflow Swing Check Valve, Cast Brass, 2-1/2 in SWT 210C212-NL
Everflow

Swing Check Valve, Cast Brass, 2-1/2 in SWT

Zoro # G001106920
Mfr # 210C212-NL
product price: 
$106.99
/ea
Hands On 600-8140 Waterway Air Check Valve- Clear - 0.25 in. HA3326442
Hands On

600-8140 Waterway Air Check Valve- Clear - 0.25 in.

Zoro # G012922885
Mfr # HA3326442
product price: 
$53.15
/ea
Zoro Select Swing Check Valve, SC Series, 4 in, Flange x Flange, Inline Swing, PVC Body SCOV111
Zoro Select

Swing Check Valve, SC Series, 4 in, Flange x Flange, Inline Swing, PVC Body

Zoro # G8329106
Mfr # SCOV111
product price: 
$1,338.99
/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
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
Simmons Check Valve, Spring Loaded, Silicon Bronze, 1 in Pipe Size 542SB
Simmons

Check Valve, Spring Loaded, Silicon Bronze, 1 in Pipe Size

Zoro # G121868487
Mfr # 542SB
product price: 
$64.15
/ea
Mueller Industries Check Valve, 8 7/16 in L, Copper, 800 psi A 17940
Mueller Industries

Check Valve, 8 7/16 in L, Copper, 800 psi

Zoro # G809944281
Mfr # A 17940
product price: 
$309.99
/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
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: 
$17.89
/ea
Steel & Obrien Check Valve, Disk Type, Clamp Connection, 3/4 in Tube Size, 316 Stainless Steel, 2.70 in L 45MP-.75-CD-316
Steel & Obrien

Check Valve, Disk Type, Clamp Connection, 3/4 in Tube Size, 316 Stainless Steel, 2.70 in L

Zoro # G5411400
Mfr # 45MP-.75-CD-316
product price: 
$178.99
/ea
Check Valves (3,500+ items) - Page 39
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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 FittingsPush-to-Connect Tube FittingsCamlock Fittings
1-1/2" swing check valves1" brass check valves3/4" pvc check valves8" wafer check valves3/4" swing check valves
1/2" pvc check valves1/2 inch check valves2" pvc check valves2" flanged check valves3" spring check valves

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