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 12

Legend Valve Check Valve, T-457 Dual Check, 1 in, FNPT x FNPT, Brass 115-105NL
Legend Valve

Check Valve, T-457 Dual Check, 1 in, FNPT x FNPT, Brass

Zoro # G1775639
Mfr # 115-105NL
product price: 
$69.15
/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 Check Valve, Y-Pattern, 1-1/2 in, FNPT x FNPT, Bronze 105-307NL
Legend Valve

Check Valve, Y-Pattern, 1-1/2 in, FNPT x FNPT, Bronze

Zoro # G1765534
Mfr # 105-307NL
product price: 
$116.99
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3/8", PVC/FPM, Threaded TC10037T
Hayward Flow Control

Check Valve, True Union, Ball, 3/8", PVC/FPM, Threaded

Zoro # G1045387
Mfr # TC10037T
product price: 
$49.59
/ea
Milwaukee Valve 3/4" FNPT Bronze Swing Y Check Valve 508 3/4"
Milwaukee Valve

3/4" FNPT Bronze Swing Y Check Valve

Zoro # G2718861
Mfr # 508 3/4"
product price: 
$103.37
/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
Plast-O-Matic 1/2" FNPT Polypropylene Disc Check Valve CKM050V-PP
Plast-O-Matic

1/2" FNPT Polypropylene Disc Check Valve

Zoro # G3953302
Mfr # CKM050V-PP
product price: 
$161.99
/ea
Chicago Valves And Controls Swing Check Valve, 3 in Pipe Size, Class 150, Flanged, Cast Steel 41411030
Chicago Valves And Controls

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

Zoro # G9157201
Mfr # 41411030
product price: 
$383.99
/ea
Legend Valve Check Valve, Y-Pattern, T-453 NL, 3/4 in, FNPT x FNPT, Bronze 105-304NL
Legend Valve

Check Valve, Y-Pattern, T-453 NL, 3/4 in, FNPT x FNPT, Bronze

Zoro # G1854206
Mfr # 105-304NL
product price: 
$44.49
/ea
Zoro Select 1/4" MNPT x FNPT Brass Piston Spring Check Valve CHK BRS 410-4M4F-B
Zoro Select

1/4" MNPT x FNPT Brass Piston Spring Check Valve

Zoro # G0800755
Mfr # CHK BRS 410-4M4F-B
product price: 
$21.79
/ea
Milwaukee Valve 2-1/2" FNPT Bronze Swing Y Check Valve 509Y 2 1/2"
Milwaukee Valve

2-1/2" FNPT Bronze Swing Y Check Valve

Zoro # G4098157
Mfr # 509Y 2 1/2"
product price: 
$495.77
/ea
Keckley 10" Cast Iron Wafer Check Valve DD1F-CI-34136-910
Keckley

10" Cast Iron Wafer Check Valve

Zoro # G1612637
Mfr # DD1F-CI-34136-910
product price: 
$1,559.99
/ea
Zoro Select 2" Socket Weld Stainless Steel Swing Check Valve 4VMV6
Zoro Select

2" Socket Weld Stainless Steel Swing Check Valve

Zoro # G1391905
Mfr # 4VMV6
product price: 
$196.99
/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
Hayward Flow Control Check Valve, True Union, Ball, 1", CPVC/EPDM, S/T TC20100STE
Hayward Flow Control

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

Zoro # G2051524
Mfr # TC20100STE
product price: 
$126.99
/ea
No Product Image Available
Val-Matic

8" Flanged Cast Iron Swing Flex Check Valve

Zoro # G1620351
Mfr # 508A-DB6F
product price: 
$2,807.99
/ea
Legend Valve Check Valve, T-451, 3/4 in, FNPT x FNPT, Brass 105-104NL
Legend Valve

Check Valve, T-451, 3/4 in, FNPT x FNPT, Brass

Zoro # G1810060
Mfr # 105-104NL
product price: 
$19.99
/ea
Zoeller 3" Compression PVC Full Flow Check Valve 30-0030
Zoeller

3" Compression PVC Full Flow Check Valve

Zoro # G3092311
Mfr # 30-0030
product price: 
$332.99
/ea
Banjo Check Valve, Inline Spring, 2 in, Flanged, Polypropylene Body, 0.5 psi Cracking Pressure MCV200
Banjo

Check Valve, Inline Spring, 2 in, Flanged, Polypropylene Body, 0.5 psi Cracking Pressure

Zoro # G508446482
Mfr # MCV200
product price: 
$24.19
/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
Zoro Select 1/4" Push Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4SMC4SMC-B
Zoro Select

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

Zoro # G2108224
Mfr # PVC CHK 426-4SMC4SMC-B
product price: 
$23.49
/ea
Georg Fischer 2" Threaded Socket PVC/EPDM Spring Check Valve 161562107
Georg Fischer

2" Threaded Socket PVC/EPDM Spring Check Valve

Zoro # G4671091
Mfr # 161562107
product price: 
$326.99
/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
Jomar Valve 1-1/2" NPT Lead Free Brass Spring Check Valve T-521G
Jomar Valve

1-1/2" NPT Lead Free Brass Spring Check Valve

Zoro # G7081186
Mfr # T-521G
product price: 
$78.59
/ea
Keckley 12" Stainless Steel Wafer Check Valve DD2R-36-364IX-912
Keckley

12" Stainless Steel Wafer Check Valve

Zoro # G2156887
Mfr # DD2R-36-364IX-912
product price: 
$9,360.99
/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
Zoro Select 3/8" Push Gray PVC Ball Cone Spring Check Valve PVC CHK 426-6SMC6SMC-F
Zoro Select

3/8" Push Gray PVC Ball Cone Spring Check Valve

Zoro # G1253621
Mfr # PVC CHK 426-6SMC6SMC-F
product price: 
$27.69
/ea
Milwaukee Valve 1-1/2" FNPT Bronze Swing Check Valve 515 1-1/2"
Milwaukee Valve

1-1/2" FNPT Bronze Swing Check Valve

Zoro # G3023912
Mfr # 515 1-1/2"
product price: 
$170.99
/ea
Zoro Select 1/8" Barb White Nylon Ball Cone Spring Check Valve WN CHK 695-2B2B-F
Zoro Select

1/8" Barb White Nylon Ball Cone Spring Check Valve

Zoro # G1220441
Mfr # WN CHK 695-2B2B-F
product price: 
$8.39
/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
Parker 1/4" A-LOK(R) Stainless Steel Instrumentation Check Valve 4A-C4L-10-SS
Parker

1/4" A-LOK(R) Stainless Steel Instrumentation Check Valve

Zoro # G1087484
Mfr # 4A-C4L-10-SS
product price: 
$125.99
/ea
Champion 4" Flanged Ductile Iron Spring Spring Wafer Check Valve 4SDX12-LTBS-P1/4
Champion

4" Flanged Ductile Iron Spring Spring Wafer Check Valve

Zoro # G7344368
Mfr # 4SDX12-LTBS-P1/4
product price: 
$439.99
/ea
American Valve True Union Ball Check Valve, Schedule 80 PVC, 3/4 in P460U 3/4''
American Valve

True Union Ball Check Valve, Schedule 80 PVC, 3/4 in

Zoro # G215189696
Mfr # P460U 3/4''
product price: 
$58.99
/ea
Keckley Wafer Check Valve, 3 in Pipe Size, Cast Stainless Steel, 275 psi, 5-3/4 in 3CW2R-36-36336
Keckley

Wafer Check Valve, 3 in Pipe Size, Cast Stainless Steel, 275 psi, 5-3/4 in

Zoro # G3819319
Mfr # 3CW2R-36-36336
product price: 
$729.99
/ea
Legend Valve Wafer Check Valve, 6 in, Bronze Body 116-226
Legend Valve

Wafer Check Valve, 6 in, Bronze Body

Zoro # G1842857
Mfr # 116-226
product price: 
$319.99
/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
Check Valves (3,500+ items) - Page 12
  • First
  • Previous
  • 12
    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