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 19

No Product Image Available
Keckley

3" Flanged Flanged Triple Duty Valve

Zoro # G3820210
Mfr # TDV-300
product price: 
$780.99
/ea
Wilkins Dual Check Valve, Female NPT Union Inlet 12UFX12F-700XL
Wilkins

Dual Check Valve, Female NPT Union Inlet

Zoro # G7462605
Mfr # 12UFX12F-700XL
product price: 
$104.99
/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
Dynamic VU Series Check Valves: 30 GPM, 3/4 in NPT Port Size 452202
Dynamic

VU Series Check Valves: 30 GPM, 3/4 in NPT Port Size

Zoro # G6330779
Mfr # 452202
product price: 
$39.85
/ea
Bonomi North America Check Valve, Inline, 1-1/4 in Pipe Size, AISI 316 Stainless Steel S250-1-1/4
Bonomi North America

Check Valve, Inline, 1-1/4 in Pipe Size, AISI 316 Stainless Steel

Zoro # G011494062
Mfr # S250-1-1/4
product price: 
$47.55
/ea
Steel & Obrien Check Valve, Disk Type, Tri-Clamp, 1 in Tube Size, 316 Stainless Steel, 3.29 in Length 45MP-1-CD-316
Steel & Obrien

Check Valve, Disk Type, Tri-Clamp, 1 in Tube Size, 316 Stainless Steel, 3.29 in Length

Zoro # G5412834
Mfr # 45MP-1-CD-316
product price: 
$199.99
/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
Hayward Flow Control Check Valve, True Union, Ball, 2-1/2", CPVC/FPM, Socket TC2250S
Hayward Flow Control

Check Valve, True Union, Ball, 2-1/2", CPVC/FPM, Socket

Zoro # G1514992
Mfr # TC2250S
product price: 
$581.99
/ea
American Valve True Union Ball Check Valve, 1/2 in Pipe Size, Schedule 80 CPVC P460UC 1/2''
American Valve

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

Zoro # G815189720
Mfr # P460UC 1/2''
product price: 
$74.99
/ea
Chicago Valves And Controls Swing Check Valve, 2 in Pipe Size, Class 150, Flanged, Stainless Steel 41611020
Chicago Valves And Controls

Swing Check Valve, 2 in Pipe Size, Class 150, Flanged, Stainless Steel

Zoro # G9158942
Mfr # 41611020
product price: 
$661.99
/ea
American Valve Ball Check Valve, True Union, Schedule 80 CPVC, 1 in P460UC 1''
American Valve

Ball Check Valve, True Union, Schedule 80 CPVC, 1 in

Zoro # G615189722
Mfr # P460UC 1''
product price: 
$108.99
/ea
Caleffi Automatic Air Vent, 1/8 in MNPT 502710A
Caleffi

Automatic Air Vent, 1/8 in MNPT

Zoro # G6068247
Mfr # 502710A
product price: 
$18.85
/ea
Everflow Swing Check Valve, FIP Connection, Cast Brass Body, 3 in Pipe Size 210T003-NL
Everflow

Swing Check Valve, FIP Connection, Cast Brass Body, 3 in Pipe Size

Zoro # G301106880
Mfr # 210T003-NL
product price: 
$189.99
/ea
Smith-Cooper 2-1/2" C X C Swing Check Valve 4347003060
Smith-Cooper

2-1/2" C X C Swing Check Valve

Zoro # G6775802
Mfr # 4347003060
product price: 
$80.65
/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
Campbell Mfg Campbell 1 in. D X 1 in. D Red Brass Spring Loaded Check Valve CVB-4TLF
Campbell Mfg

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

Zoro # G7700293
Mfr # CVB-4TLF
product price: 
$33.75
/ea
Smith-Cooper Check Valve, 3/4 in Pipe Size, Threaded, 316 Stainless Steel Body, 200 WOG 4373002130
Smith-Cooper

Check Valve, 3/4 in Pipe Size, Threaded, 316 Stainless Steel Body, 200 WOG

Zoro # G1461728
Mfr # 4373002130
product price: 
$55.85
/ea
Jomar Valve 2" NPT Lead Free Brass Spring Check Valve T-521G
Jomar Valve

2" NPT Lead Free Brass Spring Check Valve

Zoro # G7077099
Mfr # T-521G
product price: 
$131.99
/ea
No Product Image Available
Leonard Valve

Check Stop Kit, 4/LVC

Zoro # G821672957
Mfr # KIT 4/LVC
product price: 
$81.74
/ea
Legend Valve Check Valve, True Union, 1-1/2 in, Solvent Connection, PVC 203-247
Legend Valve

Check Valve, True Union, 1-1/2 in, Solvent Connection, PVC

Zoro # G2836227
Mfr # 203-247
product price: 
$29.79
/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
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
Ssi 4" Flanged Cast Iron Triple Duty Check Valve 0400-125TFI-B
Ssi

4" Flanged Cast Iron Triple Duty Check Valve

Zoro # G2219603
Mfr # 0400-125TFI-B
product price: 
$627.99
/ea
Zoro Select Check Valve, H021N01 Series, 1 in FNPT x FNPT, Inline Spring Piston, 316 Stainless Steel 06H021N01010
Zoro Select

Check Valve, H021N01 Series, 1 in FNPT x FNPT, Inline Spring Piston, 316 Stainless Steel

Zoro # G705657315
Mfr # 06H021N01010
product price: 
$63.99
/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
Campbell Foot & Check Valve, 1-1/4 in, Acetal Polymer SFV125
Campbell

Foot & Check Valve, 1-1/4 in, Acetal Polymer

Zoro # G611360576
Mfr # SFV125
product price: 
$29.45
/ea
Dixon 1" FNPT Brass Spring Loaded Check Valve CV100
Dixon

1" FNPT Brass Spring Loaded Check Valve

Zoro # G6546526
Mfr # CV100
product price: 
$30.59
/ea
Dixon 3" FNPT Brass Spring Loaded Check Valve CV300
Dixon

3" FNPT Brass Spring Loaded Check Valve

Zoro # G6546535
Mfr # CV300
product price: 
$262.99
/ea
Legend Valve Check Valve, In-Line, 1 in, FNPT x FNPT, Bronze Body 105-425NL
Legend Valve

Check Valve, In-Line, 1 in, FNPT x FNPT, Bronze Body

Zoro # G1765610
Mfr # 105-425NL
product price: 
$28.69
/ea
Zoro Select 1/8" MNPT x FNPT Stainless Steel Piston Spring Check Valve CHK SST 210-2M2F-B
Zoro Select

1/8" MNPT x FNPT Stainless Steel Piston Spring Check Valve

Zoro # G3431057
Mfr # CHK SST 210-2M2F-B
product price: 
$31.39
/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
Viega 1-1/4" X 1-1/4" Press Low Lead Bronze Spring Check Valve 79050
Viega

1-1/4" X 1-1/4" Press Low Lead Bronze Spring Check Valve

Zoro # G1906037
Mfr # 79050
product price: 
$63.49
/ea
Banjo Check Valve, Inline Spring, 1 in Flanged, Polypropylene Body, 1 psi Cracking Pressure MCV100
Banjo

Check Valve, Inline Spring, 1 in Flanged, Polypropylene Body, 1 psi Cracking Pressure

Zoro # G808446472
Mfr # MCV100
product price: 
$18.35
/ea
Wilkins Dual Check Valve, 700XL Series, 1 in, Union FNPT x FNPT, Bronze 1UFX1F-700XL
Wilkins

Dual Check Valve, 700XL Series, 1 in, Union FNPT x FNPT, Bronze

Zoro # G4452427
Mfr # 1UFX1F-700XL
product price: 
$114.99
/ea
Zoro Select 1/2" FNPT Brass Piston Spring Check Valve CHK BRS 815-8F8F-B
Zoro Select

1/2" FNPT Brass Piston Spring Check Valve

Zoro # G0452067
Mfr # CHK BRS 815-8F8F-B
product price: 
$42.19
/ea
Zoro Select Swing Check Valve, Inline, 1-1/2 in, FNPT x FNPT, Brass, 3.75 in Overall L 10F326
Zoro Select

Swing Check Valve, Inline, 1-1/2 in, FNPT x FNPT, Brass, 3.75 in Overall L

Zoro # G4272161
Mfr # 10F326
product price: 
$60.75
/ea
Check Valves (3,500+ items) - Page 19
  • First
  • Previous
  • 19
    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