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 12

Proline Series Check Valve, 1 in Pipe Size, Solvent Connection, PVC Body 101-605
Proline Series

Check Valve, 1 in Pipe Size, Solvent Connection, PVC Body

Zoro # G7817595
Mfr # 101-605
product price: 
$6.79
/ea
Sold in mult. of 2 for $13.58
Steel & Obrien Check Valve, Disk Type, Clamp Connection, 2 in Tube Size, 316 Stainless Steel 45MP-2-CD-316
Steel & Obrien

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

Zoro # G5413665
Mfr # 45MP-2-CD-316
product price: 
$386.99
/ea
Discover Swing Check Valve, 1/2 in, FNPT x FNPT, Stainless Steel 102646
Discover

Swing Check Valve, 1/2 in, FNPT x FNPT, Stainless Steel

Zoro # G215879832
Mfr # 102646
product price: 
$9.99
/ea
Basiks Check Valve, 4 in, Socket, PVC Body, FKM Seal TBC360-400VS-PV
Basiks

Check Valve, 4 in, Socket, PVC Body, FKM Seal

Zoro # G7194798
Mfr # TBC360-400VS-PV
product price: 
$486.99
/ea
Keckley 2-1/2" Cast Iron Wafer Check Valve DD1F-CI-34136-250
Keckley

2-1/2" Cast Iron Wafer Check Valve

Zoro # G1613230
Mfr # DD1F-CI-34136-250
product price: 
$140.99
/ea
Jomar Valve Y-Pattern Check Valve, 1/2 in Pipe Size, Threaded, Lead Free Bronze T-511G
Jomar Valve

Y-Pattern Check Valve, 1/2 in Pipe Size, Threaded, Lead Free Bronze

Zoro # G7062907
Mfr # T-511G
product price: 
$34.49
/ea
Legend Valve 4" T-312 CAST IRON WAFER CHECK 116-224
Legend Valve

4" T-312 CAST IRON WAFER CHECK

Zoro # G1842848
Mfr # 116-224
product price: 
$169.99
/ea
American Valve Check Valve, True Union Ball, Schedule 80 PVC, 2 in Pipe Size P460U 2''
American Valve

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

Zoro # G315189725
Mfr # P460U 2''
product price: 
$157.99
/ea
American Valve True Union Ball Check Valve, Schedule 80 PVC, 1 in Pipe Size P460U 1''
American Valve

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

Zoro # G315189718
Mfr # P460U 1''
product price: 
$74.99
/ea
Discover Spring Check Valve, FNPT x FNPT, Stainless Steel, 1-1/2 in 102662
Discover

Spring Check Valve, FNPT x FNPT, Stainless Steel, 1-1/2 in

Zoro # G015879780
Mfr # 102662
product price: 
$37.79
/ea
Ssi 3" Flanged Cast Iron Triple Duty Check Valve 0300-125TFI-B
Ssi

3" Flanged Cast Iron Triple Duty Check Valve

Zoro # G1805081
Mfr # 0300-125TFI-B
product price: 
$307.99
/ea
Ssi 5" Wafer Flange Cast Iron Double Disc Check Valve 0500-125WTIBB-T
Ssi

5" Wafer Flange Cast Iron Double Disc Check Valve

Zoro # G2502394
Mfr # 0500-125WTIBB-T
product price: 
$193.99
/ea
Ssi 2" Wafer Flange Cast Iron Silent Check Valve 0200-125WCITM-T
Ssi

2" Wafer Flange Cast Iron Silent Check Valve

Zoro # G1513985
Mfr # 0200-125WCITM-T
product price: 
$136.99
/ea
Hayward Flow Control Check Valve, Wafer, 6", PVC/EPDM, with SS Spring WCV1600ES
Hayward Flow Control

Check Valve, Wafer, 6", PVC/EPDM, with SS Spring

Zoro # G4997982
Mfr # WCV1600ES
product price: 
$1,009.99
/ea
Ssi 2-1/2" Wafer Flange Cast Iron Double Disc Check Valve 0250-125WTIBB-T
Ssi

2-1/2" Wafer Flange Cast Iron Double Disc Check Valve

Zoro # G1194042
Mfr # 0250-125WTIBB-T
product price: 
$79.35
/ea
Watts 3/8" FNPT Bronze Dual Check Valve 3/8 LF7
Watts

3/8" FNPT Bronze Dual Check Valve

Zoro # G5276363
Mfr # 3/8 LF7
product price: 
$247.37
/ea
Zoro Select Ball Check Valve, Model C, Inline, 1 in Pipe Size, Socket x Socket, Kynar Body S65BC-V 1
Zoro Select

Ball Check Valve, Model C, Inline, 1 in Pipe Size, Socket x Socket, Kynar Body

Zoro # G2629541
Mfr # S65BC-V 1
product price: 
$608.99
/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
Legend Valve 1-1/2" S-670 PVC CHECK/BALL VA 203-257
Legend Valve

1-1/2" S-670 PVC CHECK/BALL VA

Zoro # G2836260
Mfr # 203-257
product price: 
$40.55
/ea
Jomar Valve 3/4" NPT Lead Free Brass Spring Check Valve T-521G
Jomar Valve

3/4" NPT Lead Free Brass Spring Check Valve

Zoro # G7093180
Mfr # T-521G
product price: 
$32.01
/ea
Discover Inline Check Valve, High-Temperature, 1/2 in Tube Size, MNPT x FNPT, 316 Stainless Steel 102736
Discover

Inline Check Valve, High-Temperature, 1/2 in Tube Size, MNPT x FNPT, 316 Stainless Steel

Zoro # G315879756
Mfr # 102736
product price: 
$130.99
/ea
Legend Valve In-Line Check Valve, S-455 Series, 3/4 in, Sweat x Sweat, Bronze 105-464NL
Legend Valve

In-Line Check Valve, S-455 Series, 3/4 in, Sweat x Sweat, Bronze

Zoro # G1843749
Mfr # 105-464NL
product price: 
$36.99
/ea
Liberty Pumps Check Valve, 1-1/2 in Pipe Size, SWE Connection, PVC, White QCV150
Liberty Pumps

Check Valve, 1-1/2 in Pipe Size, SWE Connection, PVC, White

Zoro # G815189591
Mfr # QCV150
product price: 
$38.39
/ea
Legend Valve Check Valve, T-450 NL, In-Line, 4 in, FNPT x FNPT, Bronze 105-431NL
Legend Valve

Check Valve, T-450 NL, In-Line, 4 in, FNPT x FNPT, Bronze

Zoro # G1842954
Mfr # 105-431NL
product price: 
$694.99
/ea
Legend Valve 2" S-670 PVC CHECK/BALL VALVE 203-258
Legend Valve

2" S-670 PVC CHECK/BALL VALVE

Zoro # G2836470
Mfr # 203-258
product price: 
$63.35
/ea
Legend Valve Check Valve, Wafer, Bronze Body, 2 in 116-221
Legend Valve

Check Valve, Wafer, Bronze Body, 2 in

Zoro # G1801450
Mfr # 116-221
product price: 
$89.59
/ea
Legend Valve Check Valve, Inline, Press, No Lead, 1 in 105-455NL
Legend Valve

Check Valve, Inline, Press, No Lead, 1 in

Zoro # G1774695
Mfr # 105-455NL
product price: 
$24.95
/ea
Zoro Select 3" NPT Stainless Steel Swing Check Valve 4VMU7
Zoro Select

3" NPT Stainless Steel Swing Check Valve

Zoro # G3425116
Mfr # 4VMU7
product price: 
$556.99
/ea
Zoro Select 1/4" MNPT x FNPT Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4F4M-F
Zoro Select

1/4" MNPT x FNPT Gray PVC Ball Cone Spring Check Valve

Zoro # G0490332
Mfr # PVC CHK 426-4F4M-F
product price: 
$22.59
/ea
Apollo Valves 1" Swivel x FNPT Lead Free Bronze Dual Check Valve 4NLF3S65A
Apollo Valves

1" Swivel x FNPT Lead Free Bronze Dual Check Valve

Zoro # G5151675
Mfr # 4NLF3S65A
product price: 
$172.99
/ea
Milwaukee Valve Swing Check Valve, 510T Series, 3/4 in, FNPT x FNPT, Bronze Body 510T 3/4
Milwaukee Valve

Swing Check Valve, 510T Series, 3/4 in, FNPT x FNPT, Bronze Body

Zoro # G2143793
Mfr # 510T 3/4
product price: 
$94.18
/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: 
$552.99
/ea
Jomar Valve Y-Pattern Check Valve, Threaded, Bronze Body, 1 in Pipe Size T-511
Jomar Valve

Y-Pattern Check Valve, Threaded, Bronze Body, 1 in Pipe Size

Zoro # G7167697
Mfr # T-511
product price: 
$64.89
/ea
Trane Check Valve, 1/2 in x 1/2 in VAL10576
Trane

Check Valve, 1/2 in x 1/2 in

Zoro # G714646553
Mfr # VAL10576
product price: 
$19.39
/ea
Jomar Valve 1-1/4" NPT Lead Free Brass Horizontal Check Valve T-501G
Jomar Valve

1-1/4" NPT Lead Free Brass Horizontal Check Valve

Zoro # G7072567
Mfr # T-501G
product price: 
$57.15
/ea
Proline Series Swing Check Valve, Brass Body, 1-1/2 in FIP x 1-1/2 in FIP 101-007NL
Proline Series

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

Zoro # G615377754
Mfr # 101-007NL
product price: 
$50.29
/ea
Check Valves (3,500+ items) - Page 12
  • First
  • Previous
  • 12
    of 111 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
1/2 inch check valves1/2" pvc check valves3/4" swing check valves2" flanged check valves4" wafer check valves
1-1/2" swing check valves1/4 inch check valves3/4" pvc check valves3" brass check valves1-1/2" inline 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