Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Deals
  • Contact Us
Added to Cart
Skip to Main Content Accessibility Statement
FREE SHIPPING on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Support
0
0
Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Plumbing
  4. /
  5. Pipes, Valves & Fittings
  6. /
  7. Valves
  8. /
  9. Check Valves

Check Valves (3,500+ items) - Page 22

American Valve Check Valve, True Union Ball, Schedule 80 PVC, 1 1/2 in Pipe Size P460U 1 1/2''
American Valve

Check Valve, True Union Ball, Schedule 80 PVC, 1 1/2 in Pipe Size

Zoro # G515189693
Mfr # P460U 1 1/2''
product price: 
$106.99
/ea
Ez-Fluid Check Valve, Spring Loaded, Threaded, Brass Body, 1-1/2 in EZSIT112
Ez-Fluid

Check Valve, Spring Loaded, Threaded, Brass Body, 1-1/2 in

Zoro # G513120711
Mfr # EZSIT112
product price: 
$54.99
/ea
American Valve Swing Check Valve, Flanged, Schedule 80 PVC, 3 in P440F 3''
American Valve

Swing Check Valve, Flanged, Schedule 80 PVC, 3 in

Zoro # G715189714
Mfr # P440F 3''
product price: 
$738.99
/ea
Cole Parmer Miniature Check Valve, Straight, PVDF Body, Viton Diaphragm, 1/8 in ID GM32FFA
Cole Parmer

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

Zoro # G214185477
Mfr # GM32FFA
product price: 
$9.15
/ea
Sanitube Check Valve, Clamp Connection, 1-1/2 in, T316 Stainless Steel TCCV-150
Sanitube

Check Valve, Clamp Connection, 1-1/2 in, T316 Stainless Steel

Zoro # G0188633
Mfr # TCCV-150
product price: 
$243.99
/ea
Watts Dual Check Valve, Backflow Preventer, 3/4 in, Bronze LF7RU2-2 3/4
Watts

Dual Check Valve, Backflow Preventer, 3/4 in, Bronze

Zoro # G421859727
Mfr # LF7RU2-2 3/4
product price: 
$104.90
/ea
Bonomi North America Check Valve, In-Line Spring Loaded, High Flow, Lead Free Brass, 4 in Pipe Size 100012LF-4
Bonomi North America

Check Valve, In-Line Spring Loaded, High Flow, Lead Free Brass, 4 in Pipe Size

Zoro # G911494162
Mfr # 100012LF-4
product price: 
$359.99
/ea
Anchor Fluid Power Check Valve, 1 in NPTF Threaded, Carbon Steel Plated Body, 65 psi Cracking Pressure CN1-1-65
Anchor Fluid Power

Check Valve, 1 in NPTF Threaded, Carbon Steel Plated Body, 65 psi Cracking Pressure

Zoro # G202014147
Mfr # CN1-1-65
product price: 
$133.99
/ea
Chicago Valves And Controls Swing Check Valve, 3 in Pipe Size, Class 150, Flanged, Stainless Steel 41611030
Chicago Valves And Controls

Swing Check Valve, 3 in Pipe Size, Class 150, Flanged, Stainless Steel

Zoro # G9158951
Mfr # 41611030
product price: 
$1,051.99
/ea
Anchor Fluid Power Check Valve, 1 in Pipe Size, NPTF Threaded, Carbon Steel Plated, 7 psi Cracking Pressure CN1-1-7
Anchor Fluid Power

Check Valve, 1 in Pipe Size, NPTF Threaded, Carbon Steel Plated, 7 psi Cracking Pressure

Zoro # G802014585
Mfr # CN1-1-7
product price: 
$138.99
/ea
Everflow Inline Spring Loaded Check Valve, Press x Press, Cast Brass, 2 in 150R200-NL
Everflow

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

Zoro # G301106897
Mfr # 150R200-NL
product price: 
$106.99
/ea
Bonomi North America Check Valve, In-Line Spring Loaded, High Flow, 3 in Pipe Size, Lead-Free Brass 100012LF-3
Bonomi North America

Check Valve, In-Line Spring Loaded, High Flow, 3 in Pipe Size, Lead-Free Brass

Zoro # G511494227
Mfr # 100012LF-3
product price: 
$229.99
/ea
Watts Dual Check Valve, 1/2 in 0061935
Watts

Dual Check Valve, 1/2 in

Zoro # G9548730
Mfr # 0061935
product price: 
$183.99
/ea
Bonomi North America Check Valve, In-Line Spring Loaded, High Flow, Lead Free Brass, 1/2 in Pipe Size 100012LF-1/2
Bonomi North America

Check Valve, In-Line Spring Loaded, High Flow, Lead Free Brass, 1/2 in Pipe Size

Zoro # G711494171
Mfr # 100012LF-1/2
product price: 
$11.99
/ea
Legend Valve Check Valve, T-311, Flanged, Cast Iron, 5 in 116-205
Legend Valve

Check Valve, T-311, Flanged, Cast Iron, 5 in

Zoro # G1842890
Mfr # 116-205
product price: 
$643.99
/ea
Hoke Ball Check Valve, 6100 Series, 1/4 in FNPT x 1/4 in FNPT, 316 Stainless Steel, 6,000 psi 6133F4Y
Hoke

Ball Check Valve, 6100 Series, 1/4 in FNPT x 1/4 in FNPT, 316 Stainless Steel, 6,000 psi

Zoro # G616507235
Mfr # 6133F4Y
product price: 
$161.99
/ea
Genova Backwater Valve, 4 in Hub Connection, PVC 223284W
Genova

Backwater Valve, 4 in Hub Connection, PVC

Zoro # G207460826
Mfr # 223284W
product price: 
$63.15
/ea
Legend Valve Check Valve, Wafer, Bronze Body, 5 in 116-225
Legend Valve

Check Valve, Wafer, Bronze Body, 5 in

Zoro # G1854504
Mfr # 116-225
product price: 
$219.99
/ea
Wilkins Dual Check Valve, 700XL Series, 3/8 in FNPT x 3/8 in Flare, Low-Lead Bronze Body 38UFX38F-700XL
Wilkins

Dual Check Valve, 700XL Series, 3/8 in FNPT x 3/8 in Flare, Low-Lead Bronze Body

Zoro # G8668771
Mfr # 38UFX38F-700XL
product price: 
$104.99
/ea
Bonomi North America Check Valve, In-Line Spring Loaded, High Flow, Lead-Free Brass, 2-1/2 in 100012LF-2-1/2
Bonomi North America

Check Valve, In-Line Spring Loaded, High Flow, Lead-Free Brass, 2-1/2 in

Zoro # G411494181
Mfr # 100012LF-2-1/2
product price: 
$127.99
/ea
Legend Valve Dual Check Valve, T-457, 3/4 in, FNPT x FNPT, Brass 115-104NL
Legend Valve

Dual Check Valve, T-457, 3/4 in, FNPT x FNPT, Brass

Zoro # G1806046
Mfr # 115-104NL
product price: 
$62.15
/ea
Keckley Wafer Check Valve, Cast Iron Body, 6 in Pipe Size 6CW1F-CI-B2334
Keckley

Wafer Check Valve, Cast Iron Body, 6 in Pipe Size

Zoro # G3818932
Mfr # 6CW1F-CI-B2334
product price: 
$905.99
/ea
Flood-Guard Float Gasket Check Valve, 4 in, Rubber 4FH
Flood-Guard

Float Gasket Check Valve, 4 in, Rubber

Zoro # G411360561
Mfr # 4FH
product price: 
$35.45
/ea
Hayward Flow Control Y-Check Valve, 1", PVC/FPM, Threaded YC10100T
Hayward Flow Control

Y-Check Valve, 1", PVC/FPM, Threaded

Zoro # G6845526
Mfr # YC10100T
product price: 
$151.99
/ea
Hayward Flow Control Check Valve, Wafer, 4", PVC/EPDM, with SS Spring WCV1400ES
Hayward Flow Control

Check Valve, Wafer, 4", PVC/EPDM, with SS Spring

Zoro # G4997973
Mfr # WCV1400ES
product price: 
$714.99
/ea
Hayward Flow Control Wafer Check Valve, WCV Series, 3 in, Flange x Flange, Swing, PVC Body WCV1300E
Hayward Flow Control

Wafer Check Valve, WCV Series, 3 in, Flange x Flange, Swing, PVC Body

Zoro # G4998077
Mfr # WCV1300E
product price: 
$571.99
/ea
Zoro Select Check Valve, H051N03 Series, 1 1/4 in FNPT x FNPT, Y-Style Piston, 316 Stainless Steel 06H051N03114
Zoro Select

Check Valve, H051N03 Series, 1 1/4 in FNPT x FNPT, Y-Style Piston, 316 Stainless Steel

Zoro # G805657338
Mfr # 06H051N03114
product price: 
$63.59
/ea
Asahi Swing Check Valve, Inline, Flange x Flange, 4 in, PVC Body, EPDM Seat Seal 1201040
Asahi

Swing Check Valve, Inline, Flange x Flange, 4 in, PVC Body, EPDM Seat Seal

Zoro # G6162296
Mfr # 1201040
product price: 
$1,922.99
/ea
Zoro Select Check Valve, H051N03 Series, 1 in FNPT x FNPT, Y-Style Piston, 316 Stainless Steel 06H051N03010
Zoro Select

Check Valve, H051N03 Series, 1 in FNPT x FNPT, Y-Style Piston, 316 Stainless Steel

Zoro # G605657408
Mfr # 06H051N03010
product price: 
$56.29
/ea
Usa Industrials Check Valve, Inline Swing, 1 in FNPT x FNPT, 304 Stainless Steel, 200 psi, 3-5/8 in ZUSA-VLV-130
Usa Industrials

Check Valve, Inline Swing, 1 in FNPT x FNPT, 304 Stainless Steel, 200 psi, 3-5/8 in

Zoro # G900716053
Mfr # ZUSA-VLV-130
product price: 
$93.99
/ea
Zoro Select 1-1/2" Socket Weld Stainless Steel Swing Check Valve 4VMV5
Zoro Select

1-1/2" Socket Weld Stainless Steel Swing Check Valve

Zoro # G2903031
Mfr # 4VMV5
product price: 
$125.99
/ea
Ham-Let Instrumentation Check Valve, H400-HP Series, Inline Spring, 3/8 in Tube, Let-Lok x Let-Lok, SS H-400HP-SS-L-3/8-1/3PSI
Ham-Let

Instrumentation Check Valve, H400-HP Series, Inline Spring, 3/8 in Tube, Let-Lok x Let-Lok, SS

Zoro # G508258832
Mfr # H-400HP-SS-L-3/8-1/3PSI
product price: 
$158.99
/ea
Wilkins Dual Check Valve, 705 Series, Inline, 3/4 in, Union FNPT x FNPT, Composite 34UFX34F-705
Wilkins

Dual Check Valve, 705 Series, Inline, 3/4 in, Union FNPT x FNPT, Composite

Zoro # G4452436
Mfr # 34UFX34F-705
product price: 
$75.99
/ea
Wilkins Dual Check Valve, 700XL Series, 3/4 in, Inline, Low Lead Bronze, MNPT x FNPT 34MX34UF-700XL
Wilkins

Dual Check Valve, 700XL Series, 3/4 in, Inline, Low Lead Bronze, MNPT x FNPT

Zoro # G4452411
Mfr # 34MX34UF-700XL
product price: 
$121.99
/ea
Sharpe Check Valve, 2483SC Series, 3/4 in, Inline Swing, Threaded x Socket Weld, Carbon Steel 4371000910
Sharpe

Check Valve, 2483SC Series, 3/4 in, Inline Swing, Threaded x Socket Weld, Carbon Steel

Zoro # G608258893
Mfr # 4371000910
product price: 
$73.39
/ea
Sharpe Check Valve, 2027 Series, Inline Swing, 1 in NPSM Female Threaded, 316 Stainless Steel 4371000540
Sharpe

Check Valve, 2027 Series, Inline Swing, 1 in NPSM Female Threaded, 316 Stainless Steel

Zoro # G008258974
Mfr # 4371000540
product price: 
$86.29
/ea
Check Valves (3,500+ items) - Page 22
  • First
  • Previous
  • 22
    of 110 pages
  • Next
  • Last
How was your search?

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 FittingsPush-to-Connect Tube Fittings
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

Sign up and save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every part plays a part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Deals
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research
  • Tax Exemption

Zoro, Inc

Connect

Customer service from real people

  • Phone: (855) 289-9676
  • Contact Us

© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro, Inc