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
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 Customer Service
Cart Icon
0
Cart Icon
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 10

Bonomi 3/4" NPT Brass Spring Check Valve 100012LF-3/4"
Bonomi

3/4" NPT Brass Spring Check Valve

Zoro # G2011445
Mfr # 100012LF-3/4"
product price:  $22.95
/ea
Hayward Flow Control Check Valve, True Union, Ball, 2", CPVC/EPDM, S/T TC20200STE
Hayward Flow Control

Check Valve, True Union, Ball, 2", CPVC/EPDM, S/T

Zoro # G2750675
Mfr # TC20200STE
product price:  $268.99
/ea
Milwaukee Valve 3" Flanged Cast Steel Swing Check Valve 1570 CB2 3"
Milwaukee Valve

3" Flanged Cast Steel Swing Check Valve

Zoro # G1326175
Mfr # 1570 CB2 3"
product price:  $545.99
/ea
Milwaukee Valve 1" FNPT Bronze Swing Check Valve 509 1
Milwaukee Valve

1" FNPT Bronze Swing Check Valve

Zoro # G2746353
Mfr # 509 1
product price:  $80.86
/ea
Zoro Select Check Valve, 2.24 in Overall L 06H021N01012
Zoro Select

Check Valve, 2.24 in Overall L

Zoro # G605657347
Mfr # 06H021N01012
product price:  $26.29
/ea
Zoro Select 1" NPT Bronze Swing Check Valve 10F303
Zoro Select

1" NPT Bronze Swing Check Valve

Zoro # G4260234
Mfr # 10F303
product price:  $47.55
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1-1/2", CPVC/EPDM, S/T TC20150STE
Hayward Flow Control

Check Valve, True Union, Ball, 1-1/2", CPVC/EPDM, S/T

Zoro # G2481437
Mfr # TC20150STE
product price:  $204.99
/ea
Zoro Select 3/8" FNPT Stainless Steel Piston Spring Check Valve CHK SST 615-6F6F-F
Zoro Select

3/8" FNPT Stainless Steel Piston Spring Check Valve

Zoro # G2933183
Mfr # CHK SST 615-6F6F-F
product price:  $71.19
/ea
Zoro Select 3/8" FNPT Brass Poppet Spring Check Valve CHK BRS 650-6F6F-B
Zoro Select

3/8" FNPT Brass Poppet Spring Check Valve

Zoro # G2511905
Mfr # CHK BRS 650-6F6F-B
product price:  $25.49
/ea
Zoro Select 1/4" MNPT Brass Piston Spring Check Valve CHK BRS 410-4M4M-B
Zoro Select

1/4" MNPT Brass Piston Spring Check Valve

Zoro # G1671415
Mfr # CHK BRS 410-4M4M-B
product price:  $20.39
/ea
Watts 1 In. Bronze Backflow Preventer Dual Check Valve LF7RU2-2 1
Watts

1 In. Bronze Backflow Preventer Dual Check Valve

Zoro # G911360559
Mfr # LF7RU2-2 1
product price:  $103.99
/ea
Watts 1/2" Polysulfone Check Valve 3540-10
Watts

1/2" Polysulfone Check Valve

Zoro # G2781064
Mfr # 3540-10
product price:  $17.45
/ea
Sold in mult. of 5 for $87.25
Keckley 3" Stainless Steel Wafer Check Valve DD2R-36-364IX-300
Keckley

3" Stainless Steel Wafer Check Valve

Zoro # G1612235
Mfr # DD2R-36-364IX-300
product price:  $754.99
/ea
Wilkins Dual Check Valve, Bronze, 3/4", FNPT 34UFX34F-700XL
Wilkins

Dual Check Valve, Bronze, 3/4", FNPT

Zoro # G4461073
Mfr # 34UFX34F-700XL
product price:  $111.99
/ea
Pneumadyne 1/8" FNPT Brass Check Valve C050501
Pneumadyne

1/8" FNPT Brass Check Valve

Zoro # G4268887
Mfr # C050501
product price:  $11.79
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1-1/2", PVC/FPM, S/T TC10150ST
Hayward Flow Control

Check Valve, True Union, Ball, 1-1/2", PVC/FPM, S/T

Zoro # G1816954
Mfr # TC10150ST
product price:  $132.99
/ea
Milwaukee Valve 1" Threaded Low Lead Bronze Swing Check Valve UP509 1
Milwaukee Valve

1" Threaded Low Lead Bronze Swing Check Valve

Zoro # G2641843
Mfr # UP509 1
product price:  $117.99
/ea
Apollo Valves 1/4" FNPT Lead Free Bronze Ball Cone Check Valve 61LF10101
Apollo Valves

1/4" FNPT Lead Free Bronze Ball Cone Check Valve

Zoro # G5153391
Mfr # 61LF10101
product price:  $47.39
/ea
Dayton 1-1/4" or 1-1/2" Slip Union TPR Check Valve 4UN79
Dayton

1-1/4" or 1-1/2" Slip Union TPR Check Valve

Zoro # G2180796
Mfr # 4UN79
product price:  $34.69
/ea
Proline Series Brass 1-1/2-in FIP x 1-1/2-in FIP Swing Check Valve 101-007NL
Proline Series

Brass 1-1/2-in FIP x 1-1/2-in FIP Swing Check Valve

Zoro # G615377754
Mfr # 101-007NL
product price:  $50.29
/ea
Discover 2 in. Stainless Steel Spring Check Valve 102663
Discover

2 in. Stainless Steel Spring Check Valve

Zoro # G415879717
Mfr # 102663
product price:  $50.39
/ea
Hayward Flow Control Check Valve, Wafer, 4", PVC/EPDM WCV1400E
Hayward Flow Control

Check Valve, Wafer, 4", PVC/EPDM

Zoro # G4993947
Mfr # WCV1400E
product price:  $599.99
/ea
Legend Valve 1" T-450 NO LEAD IN-LINE CHECK 105-425NL
Legend Valve

1" T-450 NO LEAD IN-LINE CHECK

Zoro # G1765610
Mfr # 105-425NL
product price:  $27.59
/ea
Discover 1-1/4 in. Stainless Steel Spring Check Valve 102661
Discover

1-1/4 in. Stainless Steel Spring Check Valve

Zoro # G615879746
Mfr # 102661
product price:  $27.89
/ea
Dixon 3" FNPT Brass Horizontal Swing Check Valve SWCV300
Dixon

3" FNPT Brass Horizontal Swing Check Valve

Zoro # G6549335
Mfr # SWCV300
product price:  $200.99
/ea
Zoeller 2 in. PVC Union Quiet Check Valve with Ball Valve 30-0048
Zoeller

2 in. PVC Union Quiet Check Valve with Ball Valve

Zoro # G614916916
Mfr # 30-0048
product price:  $78.19
/ea
Legend Valve 3/4" T-453 NL Y-PTN CHECK VALV 105-304NL
Legend Valve

3/4" T-453 NL Y-PTN CHECK VALV

Zoro # G1854206
Mfr # 105-304NL
product price:  $44.49
/ea
Proline 1-1/2 In. PVC Schedule 40 Spring Loaded Check Valve 101-107
Proline

1-1/2 In. PVC Schedule 40 Spring Loaded Check Valve

Zoro # G011360572
Mfr # 101-107
product price:  $17.29
/ea
Basiks Check Valve, CPVC, 1", EPDM, Socket TBC360-100EPS-CP
Basiks

Check Valve, CPVC, 1", EPDM, Socket

Zoro # G7194980
Mfr # TBC360-100EPS-CP
product price:  $47.49
/ea
Chicago Valves And Controls 3", Cast Steel Class 150 Flanged Swing Check Valve 41411030
Chicago Valves And Controls

3", Cast Steel Class 150 Flanged Swing Check Valve

Zoro # G9157201
Mfr # 41411030
product price:  $383.99
/ea
Legend Valve 1" S-655 PVC BALL CHECK 201-285
Legend Valve

1" S-655 PVC BALL CHECK

Zoro # G1790068
Mfr # 201-285
product price:  $38.89
/ea
Sloan Sweat Kit, End Connection, 1", Chrome H-634-AA
Sloan

Sweat Kit, End Connection, 1", Chrome

Zoro # G1200234
Mfr # H-634-AA
product price:  $18.85
/ea
Asahi 1-1/2" Socket PVC Ball Check Valve 1213015
Asahi

1-1/2" Socket PVC Ball Check Valve

Zoro # G6162165
Mfr # 1213015
product price:  $179.99
/ea
Zoro Select 1/4" FNPT Brass Poppet Spring Check Valve CHK BRS 450-4F4F-B
Zoro Select

1/4" FNPT Brass Poppet Spring Check Valve

Zoro # G1580521
Mfr # CHK BRS 450-4F4F-B
product price:  $21.19
/ea
Zoro Select 1/4" Push Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4SMC4SMC-F
Zoro Select

1/4" Push Gray PVC Ball Cone Spring Check Valve

Zoro # G3333933
Mfr # PVC CHK 426-4SMC4SMC-F
product price:  $26.89
/ea
Keckley 2" Wafer Check Valve 2CW2R-CS-36336
Keckley

2" Wafer Check Valve

Zoro # G3819328
Mfr # 2CW2R-CS-36336
product price:  $371.99
/ea
Check Valves (3,500+ items) - Page 10
  • First
  • Previous
  • 10
    of 106 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 ValvesRelief ValvesValve PartsPVC Pipe Fittings
Black Pipe FittingsStainless Steel Pipe FittingsCamlock FittingsBrass Pipe FittingsPush-to-Connect Tube Fittings
1" bronze ball valveplast-o-matic 2" ball valveparker stainless steel filter2" spring checkzoeller quiet check valve
waste water1/2" inline check valve1/2" npt stainless steelflange mount check valve1" dual 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

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