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  1. Home
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  5. Pipes, Valves & Fittings
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  9. Check Valves

Check Valves (3,500+ items) - Page 39

Wayland Y-Ball Check Valve, Clamp Connection, 2 in Tube Size, T316L Stainless Steel W645BY-E-2
Wayland

Y-Ball Check Valve, Clamp Connection, 2 in Tube Size, T316L Stainless Steel

Zoro # G212506588
Mfr # W645BY-E-2
product price: 
$499.99
/ea
Hayward Flow Control Y-Check Valve, 4", PVC/EPDM, Socket YC10400SE
Hayward Flow Control

Y-Check Valve, 4", PVC/EPDM, Socket

Zoro # G7148477
Mfr # YC10400SE
product price: 
$1,378.99
/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
Everflow Swing Check Valve, FIP Connection, Cast Brass Body, 3/4 in 210T034-NL
Everflow

Swing Check Valve, FIP Connection, Cast Brass Body, 3/4 in

Zoro # G901106891
Mfr # 210T034-NL
product price: 
$14.69
/ea
Legris 3/8" FNPT Stainless Steel Spring Check Valve PK2 4895 18 18
Legris

3/8" FNPT Stainless Steel Spring Check Valve PK2

Zoro # G0386915
Mfr # 4895 18 18
product price: 
$244.99
/pk 2, $122.50/ea
Simmons Check Valve, Lead Free, Silicon Bronze Body, 1 in Pipe Size 503SB
Simmons

Check Valve, Lead Free, Silicon Bronze Body, 1 in Pipe Size

Zoro # G921860667
Mfr # 503SB
product price: 
$50.19
/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
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 Ball Check Valve, S-655 Series, 3/4 in, Solvent x Solvent, PVC 201-284
Legend Valve

Ball Check Valve, S-655 Series, 3/4 in, Solvent x Solvent, PVC

Zoro # G1855615
Mfr # 201-284
product price: 
$28.55
/ea
Legend Valve Check Valve, S-451, Sweat x Sweat, Brass Body, 1-1/2 in 105-207
Legend Valve

Check Valve, S-451, Sweat x Sweat, Brass Body, 1-1/2 in

Zoro # G1775115
Mfr # 105-207
product price: 
$38.39
/ea
Everflow Inline Spring Loaded Check Valve, 1 in, Cast Brass 150C100-NL
Everflow

Inline Spring Loaded Check Valve, 1 in, Cast Brass

Zoro # G201106881
Mfr # 150C100-NL
product price: 
$26.49
/ea
Parker Flow Control Valve C820S
Parker

Flow Control Valve

Zoro # G009818344
Mfr # C820S
product price: 
$77.39
/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
Legend Valve In-Line Check Valve, T-455, 1/2 in, FNPT x FNPT, Bronze 105-443
Legend Valve

In-Line Check Valve, T-455, 1/2 in, FNPT x FNPT, Bronze

Zoro # G1786470
Mfr # 105-443
product price: 
$24.85
/ea
Keckley 6" Globe Check Valve, Connection Type: Flanged 6CG2R-36-36336
Keckley

6" Globe Check Valve, Connection Type: Flanged

Zoro # G3819772
Mfr # 6CG2R-36-36336
product price: 
$4,539.99
/ea
Milwaukee Valve 1" Sweat Low Lead Bronze Spring Check Valve UP1509 1
Milwaukee Valve

1" Sweat Low Lead Bronze Spring Check Valve

Zoro # G2256502
Mfr # UP1509 1
product price: 
$131.99
/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
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
Legend Valve Ball Check Valve, T-655 Series, 1 in, FNPT x FNPT, PVC 201-275
Legend Valve

Ball Check Valve, T-655 Series, 1 in, FNPT x FNPT, PVC

Zoro # G1785737
Mfr # 201-275
product price: 
$41.49
/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
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
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
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
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
Midland Industries Check Valve, 3 in Pipe Size, FPT Connection, C85700 Brass, 200 psi WOG 940359
Midland Industries

Check Valve, 3 in Pipe Size, FPT Connection, C85700 Brass, 200 psi WOG

Zoro # G921698550
Mfr # 940359
product price: 
$459.77
/ea
B & K Campbell 2 in. D FNPT x FNPT Red Brass Spring Loaded Check Valve CV-8TLF
B & K

Campbell 2 in. D FNPT x FNPT Red Brass Spring Loaded Check Valve

Zoro # G3992439
Mfr # CV-8TLF
product price: 
$126.99
/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
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
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
Everflow Inline Spring Loaded Check Valve, FIP Connection, Cast Brass Body, 1-1/2 in 150T112-NL
Everflow

Inline Spring Loaded Check Valve, FIP Connection, Cast Brass Body, 1-1/2 in

Zoro # G801106892
Mfr # 150T112-NL
product price: 
$48.99
/ea
American Valve Swing Check Valve, Flanged, Schedule 80 PVC, 6 in P440F 6''
American Valve

Swing Check Valve, Flanged, Schedule 80 PVC, 6 in

Zoro # G015189704
Mfr # P440F 6''
product price: 
$1,910.99
/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
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

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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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