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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 45

Gruvlok Check Valve, 7800 Series, Swing, 3 in, Grooved x Grooved, Ductile Iron, Inline Wafer 2200750061
Gruvlok

Check Valve, 7800 Series, Swing, 3 in, Grooved x Grooved, Ductile Iron, Inline Wafer

Zoro # G700716055
Mfr # 2200750061
product price: 
$709.99
/ea
Georg Fischer 3/8" Threaded Socket CPVC/EPDM Spring Check Valve 163562101
Georg Fischer

3/8" Threaded Socket CPVC/EPDM Spring Check Valve

Zoro # G4653512
Mfr # 163562101
product price: 
$208.99
/ea
Magic Check Valve, B-0823 Series, Silent Inline, 2 in Slip x Slip, PVC Body B-0823-20
Magic

Check Valve, B-0823 Series, Silent Inline, 2 in Slip x Slip, PVC Body

Zoro # G2364385
Mfr # B-0823-20
product price: 
$39.79
/ea
Wilkins 1" Union Female Meter x FNPT Composite Dual Check Valve 1UFMX1F-705
Wilkins

1" Union Female Meter x FNPT Composite Dual Check Valve

Zoro # G4452445
Mfr # 1UFMX1F-705
product price: 
$44.69
/ea
Plast-O-Matic Check Valve, CKS Series, 3 in, FNPT x Socket, Inline Disc, PVC Body, Viton Seal CKS300VT-NC-PV
Plast-O-Matic

Check Valve, CKS Series, 3 in, FNPT x Socket, Inline Disc, PVC Body, Viton Seal

Zoro # G4127234
Mfr # CKS300VT-NC-PV
product price: 
$760.99
/ea
Ez-Fluid Swing Check Valve, Threaded, Brass Body, 3/4 in EZSCT34
Ez-Fluid

Swing Check Valve, Threaded, Brass Body, 3/4 in

Zoro # G413120934
Mfr # EZSCT34
product price: 
$18.39
/ea
Hammond Valve Swing Check Valve, 967 Series, 3/4 in, FNPT x FNPT, Inline, Brass 967 3/4
Hammond Valve

Swing Check Valve, 967 Series, 3/4 in, FNPT x FNPT, Inline, Brass

Zoro # G1769555
Mfr # 967 3/4
product price: 
$71.89
/ea
Sharpe 3" FNPT Ductile Iron Oil Patch Swing Check Valve 4353014480
Sharpe

3" FNPT Ductile Iron Oil Patch Swing Check Valve

Zoro # G5032544
Mfr # 4353014480
product price: 
$320.99
/ea
Dixon 1" Brass Safety Check Valve, Connection Type: NPT SCVS8
Dixon

1" Brass Safety Check Valve, Connection Type: NPT

Zoro # G6554031
Mfr # SCVS8
product price: 
$106.99
/ea
Proline Series Check Valve, In-Line, PVC, 1 in Socket x 1 in Socket 101-605
Proline Series

Check Valve, In-Line, PVC, 1 in Socket x 1 in Socket

Zoro # G021877787
Mfr # 101-605
product price: 
$10.79
/ea
Sold in mult. of 2 for $21.58
Dixon Spring Check Valve, 4 in, Grooved, Brass Body SCVV400
Dixon

Spring Check Valve, 4 in, Grooved, Brass Body

Zoro # G209114949
Mfr # SCVV400
product price: 
$182.99
/ea
Zoro Select 1/4" NPT Stainless Steel Swing Check Valve 4VMT7
Zoro Select

1/4" NPT Stainless Steel Swing Check Valve

Zoro # G0653082
Mfr # 4VMT7
product price: 
$62.15
/ea
Cole Parmer Miniature Check Valve, Straight, Polypropylene Body, Viton Diaphragm, 1/8 in ID GM32PFA
Cole Parmer

Miniature Check Valve, Straight, Polypropylene Body, Viton Diaphragm, 1/8 in ID

Zoro # G114185478
Mfr # GM32PFA
product price: 
$3.95
/ea
Sold in mult. of 2 for $7.90
Anchor Fluid Power Check Valve, 3/4 in NPTF, Threaded, Carbon Steel Plated, 65 psi Cracking Pressure CN3/4-1-65
Anchor Fluid Power

Check Valve, 3/4 in NPTF, Threaded, Carbon Steel Plated, 65 psi Cracking Pressure

Zoro # G502014342
Mfr # CN3/4-1-65
product price: 
$79.69
/ea
Camozzi Series 2 Check Valve, 3/2 NC, Push-In, 5/32 in OD Tube, Mechanical, Spring Return 234-945
Camozzi

Series 2 Check Valve, 3/2 NC, Push-In, 5/32 in OD Tube, Mechanical, Spring Return

Zoro # G906693181
Mfr # 234-945
product price: 
$54.45
/ea
Conbraco Check Valve, Ball Cone, 1/2 in Pipe Size, Stainless Steel 62-103-01
Conbraco

Check Valve, Ball Cone, 1/2 in Pipe Size, Stainless Steel

Zoro # G009845036
Mfr # 62-103-01
product price: 
$224.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3", CPVC/FPM, Threaded TC2300T
Hayward Flow Control

Check Valve, True Union, Ball, 3", CPVC/FPM, Threaded

Zoro # G1592202
Mfr # TC2300T
product price: 
$712.99
/ea
Legend Valve Check Valve, T-451, 1-1/4 in, FNPT x FNPT, Brass 105-106NL
Legend Valve

Check Valve, T-451, 1-1/4 in, FNPT x FNPT, Brass

Zoro # G1785789
Mfr # 105-106NL
product price: 
$51.19
/ea
Everflow Swing Check Valve, FIP Connection, Cast Brass Body, 4 in 210T004-NL
Everflow

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

Zoro # G201106898
Mfr # 210T004-NL
product price: 
$284.99
/ea
Sloan Check Valve Kit, ETF-470A 3365001
Sloan

Check Valve Kit, ETF-470A

Zoro # G4494175
Mfr # 3365001
product price: 
$49.75
/ea
Wilkins In-Line Single Check Valve, 300 Series Stainless Steel Spring, 3 in H x 2 in L x 2 in W 1-40XL2
Wilkins

In-Line Single Check Valve, 300 Series Stainless Steel Spring, 3 in H x 2 in L x 2 in W

Zoro # G8667749
Mfr # 1-40XL2
product price: 
$207.99
/ea
Hayward Flow Control Y-Check Valve, 3", PVC/FPM, Socket YC10300S
Hayward Flow Control

Y-Check Valve, 3", PVC/FPM, Socket

Zoro # G4998682
Mfr # YC10300S
product price: 
$709.99
/ea
Water Source Foot Check Valve, Combination, Plastic, 3/4 in 645846
Water Source

Foot Check Valve, Combination, Plastic, 3/4 in

Zoro # G004087370
Mfr # 645846
product price: 
$37.29
/ea
Star Water Systems Sump Pump Check Valve, Universal, PVC, 8.75 in 148155
Star Water Systems

Sump Pump Check Valve, Universal, PVC, 8.75 in

Zoro # G915718493
Mfr # 148155
product price: 
$19.99
/ea
Everflow Check Valve, Inline, Spring Loaded, Press x Press, Cast Brass, 1-1/2 in 150R112-NL
Everflow

Check Valve, Inline, Spring Loaded, Press x Press, Cast Brass, 1-1/2 in

Zoro # G701106886
Mfr # 150R112-NL
product price: 
$85.79
/ea
Ssi 2-1/2" Wafer Flange Stainless Steel Double Disc Check Valve 0250-600WTTTM-T
Ssi

2-1/2" Wafer Flange Stainless Steel Double Disc Check Valve

Zoro # G1566774
Mfr # 0250-600WTTTM-T
product price: 
$577.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 4", PVC/FPM, Threaded TC1400T
Hayward Flow Control

Check Valve, True Union, Ball, 4", PVC/FPM, Threaded

Zoro # G2283355
Mfr # TC1400T
product price: 
$761.99
/ea
Champion 6" Flanged Carbon Steel Wafer Check Valve 6SD15-CSBS-R
Champion

6" Flanged Carbon Steel Wafer Check Valve

Zoro # G7344675
Mfr # 6SD15-CSBS-R
product price: 
$731.99
/ea
Champion 5" Flanged Ductile Iron Wafer Check Valve 5SD12-LSBS-P
Champion

5" Flanged Ductile Iron Wafer Check Valve

Zoro # G7344535
Mfr # 5SD12-LSBS-P
product price: 
$343.99
/ea
Asahi 1-1/2" Flanged Ball Check Valve, Width: 5" 1212015
Asahi

1-1/2" Flanged Ball Check Valve, Width: 5"

Zoro # G6193761
Mfr # 1212015
product price: 
$189.99
/ea
Asahi 1-1/2" Flanged Ball Check Valve, Material of Construction: PVC 1215015
Asahi

1-1/2" Flanged Ball Check Valve, Material of Construction: PVC

Zoro # G6193883
Mfr # 1215015
product price: 
$250.99
/ea
Ham-Let Instrumentation Check Valve, H400-HP Series, Inline Spring, Let-Lok x Let-Lok, 8 mm, 1 psi H-400HP-SS-L-8MM1PSI
Ham-Let

Instrumentation Check Valve, H400-HP Series, Inline Spring, Let-Lok x Let-Lok, 8 mm, 1 psi

Zoro # G508789572
Mfr # H-400HP-SS-L-8MM1PSI
product price: 
$136.99
/ea
Legend Valve Check Valve, S-451, 3 in, Sweat x Sweat, Brass 105-210NL
Legend Valve

Check Valve, S-451, 3 in, Sweat x Sweat, Brass

Zoro # G1799177
Mfr # 105-210NL
product price: 
$266.74
/ea
Sharpe Check Valve, 2483 Series, Piston, Inline, 1/4 in NPSM Female x Female, Carbon Steel 4371001490
Sharpe

Check Valve, 2483 Series, Piston, Inline, 1/4 in NPSM Female x Female, Carbon Steel

Zoro # G408258826
Mfr # 4371001490
product price: 
$68.99
/ea
Water Source PCV100 1 in. Plastic Spring Loaded Check Valve 645812
Water Source

PCV100 1 in. Plastic Spring Loaded Check Valve

Zoro # G410528580
Mfr # 645812
product price: 
$54.35
/ea
Anchor Fluid Power Check Valve, 3/8 in NPTF Female Threaded, Carbon Steel Plated, 65 psi Cracking Pressure CN3/8-1-65
Anchor Fluid Power

Check Valve, 3/8 in NPTF Female Threaded, Carbon Steel Plated, 65 psi Cracking Pressure

Zoro # G502014311
Mfr # CN3/8-1-65
product price: 
$45.99
/ea
Check Valves (3,500+ items) - Page 45
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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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