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 Customer Service
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 41

Cole-Parmer Miniature Check Valve, Nylon Housing, Silicone Diaphragm, 1/4in ID GM64ASA
Cole-Parmer

Miniature Check Valve, Nylon Housing, Silicone Diaphragm, 1/4in ID

Zoro # G214185507
Mfr # GM64ASA
product price:  $6.55
/ea
Sold in mult. of 2 for $13.10
Conbraco 1/2 in. S.S. BALL CONE CHECK VLV 62-103-01
Conbraco

1/2 in. S.S. BALL CONE CHECK VLV

Zoro # G009845036
Mfr # 62-103-01
product price:  $224.99
/ea
Simmons 1'' Silicon Bronze Lead Free Check Valve 503SB
Simmons

1'' Silicon Bronze Lead Free Check Valve

Zoro # G921860667
Mfr # 503SB
product price:  $50.19
/ea
Dixon 1" Brass Safety Check Valve, Connection Type: NPT SCVS8
Dixon

1" Brass Safety Check Valve, Connection Type: NPT

Zoro # G6554031
Mfr # SCVS8
product price:  $102.99
/ea
Strike3 ME6016 1.75 in. Double Check Fill Valve ST3291790
Strike3

ME6016 1.75 in. Double Check Fill Valve

Zoro # G911945350
Mfr # ST3291790
product price:  $88.35
/ea
Simmons 1'' Bronze Female Thread Check Valve 7503
Simmons

1'' Bronze Female Thread Check Valve

Zoro # G821869678
Mfr # 7503
product price:  $29.69
/ea
Wilkins In-Line Single Check Valve, 12-40XL2 12-40XL2
Wilkins

In-Line Single Check Valve, 12-40XL2

Zoro # G8665892
Mfr # 12-40XL2
product price:  $110.99
/ea
Thrifco Plumbing 1 Inch Threaded Spring Check Valve 6415182
Thrifco Plumbing

1 Inch Threaded Spring Check Valve

Zoro # G909547528
Mfr # 6415182
product price:  $12.19
/ea
Thrifco Plumbing 1/2 Inch Slip PVC Spring Check Valve 6415195
Thrifco Plumbing

1/2 Inch Slip PVC Spring Check Valve

Zoro # G109547540
Mfr # 6415195
product price:  $8.59
/ea
Watts 1/2 in. BACKFLOW PREVENT/FILL VLV 0386463
Watts

1/2 in. BACKFLOW PREVENT/FILL VLV

Zoro # G109769607
Mfr # 0386463
product price:  $413.99
/ea
Valterra 1/2" Slip PVC Spring Swing Check Valve 200-05
Valterra

1/2" Slip PVC Spring Swing Check Valve

Zoro # G9782744
Mfr # 200-05
product price:  $7.46
/ea
Jomar Valve 3/4" Press Lead Free Brass Horizontal Check Valve P-501G
Jomar Valve

3/4" Press Lead Free Brass Horizontal Check Valve

Zoro # G7156235
Mfr # P-501G
product price:  $64.39
/ea
Water Source ABS In-Line Sump Pump Check Valve - 1.50 in. 235825
Water Source

ABS In-Line Sump Pump Check Valve - 1.50 in.

Zoro # G510528558
Mfr # 235825
product price:  $40.56
/ea
Hayward Flow Control Y-Check Valve, 1/2", PVC/FPM, Socket YC10050S
Hayward Flow Control

Y-Check Valve, 1/2", PVC/FPM, Socket

Zoro # G4998201
Mfr # YC10050S
product price:  $134.99
/ea
Jomar Valve 2" Solder Lead Free Brass Horizontal Check Valve S-501G
Jomar Valve

2" Solder Lead Free Brass Horizontal Check Valve

Zoro # G7054708
Mfr # S-501G
product price:  $101.99
/ea
Champion 8" Flanged Stainless Steel Wafer Check Valve 8SD15-SSVS-R
Champion

8" Flanged Stainless Steel Wafer Check Valve

Zoro # G7344088
Mfr # 8SD15-SSVS-R
product price:  $1,694.99
/ea
Alfa Laval Service Kit LKC-2 Check Valve 3 EPDM 9611924009
Alfa Laval

Service Kit LKC-2 Check Valve 3 EPDM

Zoro # G010081461
Mfr # 9611924009
product price:  $70.15
/ea
Hammond Valve Swing Check Valve, 3.125 in Overall L 967 1 1/4
Hammond Valve

Swing Check Valve, 3.125 in Overall L

Zoro # G1956866
Mfr # 967 1 1/4
product price:  $138.99
/ea
Zoeller Check Valve with Ball Valve and Union 30-0100
Zoeller

Check Valve with Ball Valve and Union

Zoro # G2987512
Mfr # 30-0100
product price:  $41.15
/ea
Brady Magic Plastics 1-1/2 in. D Slip PVC Quiet Check Valve 0823-15
Brady

Magic Plastics 1-1/2 in. D Slip PVC Quiet Check Valve

Zoro # G7702019
Mfr # 0823-15
product price:  $33.99
/ea
Bonomi Double Door Check Valve NC150E-4
Bonomi

Double Door Check Valve

Zoro # G7565236
Mfr # NC150E-4
product price:  $146.99
/ea
Watts 1/2 In Lead-Free Brass Silent Check Valve, Solder End Connections 0555181
Watts

1/2 In Lead-Free Brass Silent Check Valve, Solder End Connections

Zoro # G612415374
Mfr # 0555181
product price:  $113.00
/ea
Champion 2-1/2" Flanged Stainless Steel Wafer Check Valve 2.5SD15-SSVS-R
Champion

2-1/2" Flanged Stainless Steel Wafer Check Valve

Zoro # G7304538
Mfr # 2.5SD15-SSVS-R
product price:  $433.99
/ea
Everflow SWT Inline Spring Loaded Check Valve, Cast Brass 3/4" 150C034-NL
Everflow

SWT Inline Spring Loaded Check Valve, Cast Brass 3/4"

Zoro # G701106893
Mfr # 150C034-NL
product price:  $23.99
/ea
Best Sanitizers Sanitizer Nozzle with Check Valve, 5/8 in JPP10012
Best Sanitizers

Sanitizer Nozzle with Check Valve, 5/8 in

Zoro # G4994701
Mfr # JPP10012
product price:  $27.95
/ea
Anchor Fluid Power 3/8" NPTF THREADED CHECK VALVE CARBON STEEL PLATED, 7 PSI CRACKING PRESSURE CN3/8-1-7
Anchor Fluid Power

3/8" NPTF THREADED CHECK VALVE CARBON STEEL PLATED, 7 PSI CRACKING PRESSURE

Zoro # G802014455
Mfr # CN3/8-1-7
product price:  $49.19
/ea
Asahi 4" PVC Spring Wafer Check Valve, Max. Pressure: 150 psi 111206040
Asahi

4" PVC Spring Wafer Check Valve, Max. Pressure: 150 psi

Zoro # G6196071
Mfr # 111206040
product price:  $1,326.99
/ea
Dixon Spring Check Valve, 4 in Nominal, Grooved End Style, Brass Body SCVV400
Dixon

Spring Check Valve, 4 in Nominal, Grooved End Style, Brass Body

Zoro # G209114949
Mfr # SCVV400
product price:  $182.99
/ea
Legend Valve 2" S-655 PVC BALL CHECK 201-288
Legend Valve

2" S-655 PVC BALL CHECK

Zoro # G1799624
Mfr # 201-288
product price:  $95.39
/ea
Pentair 3-Way 2" PVC Diverter Valve 263028
Pentair

3-Way 2" PVC Diverter Valve

Zoro # G221718484
Mfr # 263028
product price:  $86.39
/ea
Legend Valve 1-1/2 S-451 NO LEAD CHECK VALV 105-207NL
Legend Valve

1-1/2 S-451 NO LEAD CHECK VALV

Zoro # G1765577
Mfr # 105-207NL
product price:  $59.29
/ea
Milwaukee Valve 1-1/2" Solder Low Lead Bronze Spring Check Valve UP1548T 1 1/2
Milwaukee Valve

1-1/2" Solder Low Lead Bronze Spring Check Valve

Zoro # G0285047
Mfr # UP1548T 1 1/2
product price:  $115.99
/ea
Proline Series Brass 1/2-in FIP x 1/2-in FIP Swing Check Valve 101-003NL
Proline Series

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

Zoro # G615377464
Mfr # 101-003NL
product price:  $12.59
/ea
Wilkins Dual Check Valve, Composite, 1", FNPT 1UFX1F-705
Wilkins

Dual Check Valve, Composite, 1", FNPT

Zoro # G4452463
Mfr # 1UFX1F-705
product price:  $75.99
/ea
Milwaukee Valve 1/2" Solder Low Lead Brass Swing Check Valve UP0968000012
Milwaukee Valve

1/2" Solder Low Lead Brass Swing Check Valve

Zoro # G4104825
Mfr # UP0968000012
product price:  $61.99
/ea
Champion 12" Flanged Ductile Iron Spring Lever Wafer Check Valve 12SDX12-LTBS-P3/6
Champion

12" Flanged Ductile Iron Spring Lever Wafer Check Valve

Zoro # G7330806
Mfr # 12SDX12-LTBS-P3/6
product price:  $2,526.99
/ea
Check Valves (3,500+ items) - Page 41
  • First
  • Previous
  • 41
    of 107 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 FittingsPipe & Tube Clamps
2.5 inch check valvecheck valve 1/8plast-o-matic 2" ball valvecheck valve control checkflange mount check valve
swagelok brass3" cast iron trapstainless springsparker stainless steel filter1/2" npt stainless steel

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