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
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 21

B & K Campbell 1/2 in. D X 1/2 in. D FIP Red Brass Spring Loaded Check Valve CV-2TLF
B & K

Campbell 1/2 in. D X 1/2 in. D FIP Red Brass Spring Loaded Check Valve

Zoro # G3992411
Mfr # CV-2TLF
product price: 
$25.15
/ea
Smith-Cooper Check Valve, 1 in, Threaded, 316 Stainless Steel, 200 WOG 4373002140
Smith-Cooper

Check Valve, 1 in, Threaded, 316 Stainless Steel, 200 WOG

Zoro # G1461798
Mfr # 4373002140
product price: 
$58.75
/ea
Jomar Valve 2" NPT Lead Free Brass Horizontal Check Valve T-501G
Jomar Valve

2" NPT Lead Free Brass Horizontal Check Valve

Zoro # G7141471
Mfr # T-501G
product price: 
$132.99
/ea
Hayward Flow Control Y-Check Valve, True Union, Spring-Loaded, 1-1/2", PVC/EPDM, Threaded, Adjustable 2-15 psi SLC10150TEU
Hayward Flow Control

Y-Check Valve, True Union, Spring-Loaded, 1-1/2", PVC/EPDM, Threaded, Adjustable 2-15 psi

Zoro # G6592397
Mfr # SLC10150TEU
product price: 
$408.99
/ea
Hayward Flow Control Y-Check Valve, 3", PVC/EPDM, Socket YC10300SE
Hayward Flow Control

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

Zoro # G6883344
Mfr # YC10300SE
product price: 
$706.99
/ea
Hayward Flow Control Y-Check Valve, True Union, Spring-Loaded, 2-1/2", PVC/FPM, Threaded, Adjustable 2-15 psi SLC10250TU
Hayward Flow Control

Y-Check Valve, True Union, Spring-Loaded, 2-1/2", PVC/FPM, Threaded, Adjustable 2-15 psi

Zoro # G6465487
Mfr # SLC10250TU
product price: 
$808.99
/ea
Smith-Cooper 3" C X C Swing Check Valve 4347003070
Smith-Cooper

3" C X C Swing Check Valve

Zoro # G6775793
Mfr # 4347003070
product price: 
$118.99
/ea
H2Flow Controls Flow Meter, Complete, GPM Scale, 3 in
 FV-3
H2Flow Controls

Flow Meter, Complete, GPM Scale, 3 in

Zoro # G103993183
Mfr # FV-3
product price: 
$613.99
/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
Ssi 6" Flanged Cast Iron Triple Duty Check Valve 0600-125TFI-B
Ssi

6" Flanged Cast Iron Triple Duty Check Valve

Zoro # G2437793
Mfr # 0600-125TFI-B
product price: 
$1,303.99
/ea
Legend Valve Check Valve, T-451, 2 in, FNPT x FNPT, Brass 105-108
Legend Valve

Check Valve, T-451, 2 in, FNPT x FNPT, Brass

Zoro # G1799195
Mfr # 105-108
product price: 
$63.69
/ea
Strataflo Check Valve, Spring Loaded, 1/2 in FNPT, Brass Body, Buna-N Poppet 375-050
Strataflo

Check Valve, Spring Loaded, 1/2 in FNPT, Brass Body, Buna-N Poppet

Zoro # G104992093
Mfr # 375-050
product price: 
$110.99
/ea
Alfa Laval Check Valve Service Kit, LKC-2, 2 in, EPDM 9611924007
Alfa Laval

Check Valve Service Kit, LKC-2, 2 in, EPDM

Zoro # G910081462
Mfr # 9611924007
product price: 
$72.45
/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
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
Sharpe Valves 1-1/4" Socket Forged Carbon Steel Piston Check Valve 4371001400
Sharpe Valves

1-1/4" Socket Forged Carbon Steel Piston Check Valve

Zoro # G2775114
Mfr # 4371001400
product price: 
$171.99
/ea
Steel & Obrien Ball Type Check Valve, Clamp Connection, 2 in Tube Size, 316 Stainless Steel 45BYMP-2-316
Steel & Obrien

Ball Type Check Valve, Clamp Connection, 2 in Tube Size, 316 Stainless Steel

Zoro # G5412843
Mfr # 45BYMP-2-316
product price: 
$501.48
/ea
Jomar Valve 1-1/4" Solder Bronze Y Check Valve, Length: 4.72" S-511G
Jomar Valve

1-1/4" Solder Bronze Y Check Valve, Length: 4.72"

Zoro # G7042056
Mfr # S-511G
product price: 
$110.99
/ea
Discover 1/4 in. High-Temperature Inline Check Valve 102735
Discover

1/4 in. High-Temperature Inline Check Valve

Zoro # G515879822
Mfr # 102735
product price: 
$61.49
/ea
Dixon Safety Check Valve, 1/2 in Pipe Size, NPT, Brass Body SCVS4
Dixon

Safety Check Valve, 1/2 in Pipe Size, NPT, Brass Body

Zoro # G6555827
Mfr # SCVS4
product price: 
$68.19
/ea
Ez-Fluid Check Valve, Spring Loaded, Threaded, 1/2 in, Brass EZSIT12
Ez-Fluid

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

Zoro # G813120749
Mfr # EZSIT12
product price: 
$11.89
/ea
Everflow Swing Check Valve, Cast Brass, 1-1/4 in Press Connection 400R114-NL
Everflow

Swing Check Valve, Cast Brass, 1-1/4 in Press Connection

Zoro # G301106910
Mfr # 400R114-NL
product price: 
$56.99
/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
Eco-Flo Check Valve, 1", Brass EFCV100
Eco-Flo

Check Valve, 1", Brass

Zoro # G2121508
Mfr # EFCV100
product price: 
$22.89
/ea
Keckley 4" Wafer Check Valve, Body Material: Cast iron 4CW1F-CI-B2334
Keckley

4" Wafer Check Valve, Body Material: Cast iron

Zoro # G3818941
Mfr # 4CW1F-CI-B2334
product price: 
$419.99
/ea
Keckley 8" Wafer Check Valve, Body Material: Cast iron 8CW1F-CI-B2334
Keckley

8" Wafer Check Valve, Body Material: Cast iron

Zoro # G3819188
Mfr # 8CW1F-CI-B2334
product price: 
$1,884.99
/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
Watts Flow Check Valve, 3/4 in Pipe Size, Sweat x Sweat, Bronze 2000S 3/4
Watts

Flow Check Valve, 3/4 in Pipe Size, Sweat x Sweat, Bronze

Zoro # G2292656
Mfr # 2000S 3/4
product price: 
$133.99
/ea
Legend Valve Check Valve, Wafer, Bronze Body, 3 in 116-223
Legend Valve

Check Valve, Wafer, Bronze Body, 3 in

Zoro # G1797314
Mfr # 116-223
product price: 
$139.99
/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
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
Sharpe Valves 1-1/2" Socket Forged Carbon Steel Piston Check Valve 4371001410
Sharpe Valves

1-1/2" Socket Forged Carbon Steel Piston Check Valve

Zoro # G1332064
Mfr # 4371001410
product price: 
$200.99
/ea
Chicago Valves And Controls Swing Check Valve, 5 in Pipe Size, Class 150, Flanged, Cast Steel WCB 41411050
Chicago Valves And Controls

Swing Check Valve, 5 in Pipe Size, Class 150, Flanged, Cast Steel WCB

Zoro # G9156039
Mfr # 41411050
product price: 
$795.99
/ea
Ez-Fluid Check Valve, Spring Loaded, Threaded, Brass Body, 2 in Pipe Size EZSIT2
Ez-Fluid

Check Valve, Spring Loaded, Threaded, Brass Body, 2 in Pipe Size

Zoro # G213120752
Mfr # EZSIT2
product price: 
$85.75
/ea
Campbell Foot & Check Valve, 1 in, Acetal Polymer SFV100
Campbell

Foot & Check Valve, 1 in, Acetal Polymer

Zoro # G211360570
Mfr # SFV100
product price: 
$17.99
/ea
Sanitube Check Valve, Clamp Connection, 3 in, T316 Stainless Steel TCCV-300
Sanitube

Check Valve, Clamp Connection, 3 in, T316 Stainless Steel

Zoro # G0189918
Mfr # TCCV-300
product price: 
$653.99
/ea
Check Valves (3,500+ items) - Page 21
  • First
  • Previous
  • 21
    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 FittingsPush-to-Connect Tube FittingsCamlock Fittings
3" pvc check valves1/2" brass check valves3" spring check valves3" flanged check valves1-1/2" inline check valves
3/4" pvc check valves8" wafer check valves3" brass check valves3/4 inch check valves1/4 inch check valves

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