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 3

Simmons 3/4" NPT Bronze Spring Check Valve 502SB
Simmons

3/4" NPT Bronze Spring Check Valve

Zoro # G6250979
Mfr # 502SB
product price: 
$45.35
/ea
Simmons 1-1/4" NPT Bronze Spring Check Valve 504SB
Simmons

1-1/4" NPT Bronze Spring Check Valve

Zoro # G6294290
Mfr # 504SB
product price: 
$62.15
/ea
Nds Swing Check Valve, Inline, 2 in, FNPT x FNPT, PVC Body, 6-3/16 in Overall L 1520-20F
Nds

Swing Check Valve, Inline, 2 in, FNPT x FNPT, PVC Body, 6-3/16 in Overall L

Zoro # G2456666
Mfr # 1520-20F
product price: 
$47.95
/ea
Campbell 1" FNPT Low Lead Brass Spring Check Valve w/Taps CVB-4TLF
Campbell

1" FNPT Low Lead Brass Spring Check Valve w/Taps

Zoro # G4712854
Mfr # CVB-4TLF
product price: 
$35.99
/ea
Watts 3/4" FNPT Bronze Dual Check Valve 3/4 LF7 U2-2
Watts

3/4" FNPT Bronze Dual Check Valve

Zoro # G5276354
Mfr # 3/4 LF7 U2-2
product price: 
$101.84
/ea
Zoro Select 1/4" Barb Polypropylene Ball Cone Spring Check Valve PP CHK 695-4B4B-F
Zoro Select

1/4" Barb Polypropylene Ball Cone Spring Check Valve

Zoro # G3450955
Mfr # PP CHK 695-4B4B-F
product price: 
$6.19
/ea
Hayward Flow Control Check Valve, True Union, Ball, 1", PVC/EPDM, S/T TC10100STE
Hayward Flow Control

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

Zoro # G2751174
Mfr # TC10100STE
product price: 
$75.79
/ea
Zoro Select 3/8" FNPT Ball Cone Spring Check Valve FP CHK 693-6F6F-F
Zoro Select

3/8" FNPT Ball Cone Spring Check Valve

Zoro # G0581271
Mfr # FP CHK 693-6F6F-F
product price: 
$18.29
/ea
Nds Swing Check Valve, 1 1/4 in Pipe Size, IPS Slip x IPS Slip, Inline, PVC Body 1520-12
Nds

Swing Check Valve, 1 1/4 in Pipe Size, IPS Slip x IPS Slip, Inline, PVC Body

Zoro # G1566354
Mfr # 1520-12
product price: 
$30.99
/ea
Ssi 3" Wafer Flange Cast Iron Silent Check Valve 0300-125WCIBM-T
Ssi

3" Wafer Flange Cast Iron Silent Check Valve

Zoro # G0292756
Mfr # 0300-125WCIBM-T
product price: 
$109.99
/ea
Apollo Valves 1/4" FNPT Stainless Steel Ball Cone Spring Check Valve 6210101
Apollo Valves

1/4" FNPT Stainless Steel Ball Cone Spring Check Valve

Zoro # G2770652
Mfr # 6210101
product price: 
$87.95
/ea
Hayward Flow Control Check Valve, Ball, 3/4", PVC/EPDM, S/T TC10075STE
Hayward Flow Control

Check Valve, Ball, 3/4", PVC/EPDM, S/T

Zoro # G2837396
Mfr # TC10075STE
product price: 
$58.65
/ea
Bonomi 3/8" NPT Brass Spring Check Valve 100003-3/8"
Bonomi

3/8" NPT Brass Spring Check Valve

Zoro # G2425066
Mfr # 100003-3/8"
product price: 
$14.59
/ea
Zoro Select Spring Check Valve, Inline, 1/2 in, FNPT x FNPT, Bronze Body 6AJY1
Zoro Select

Spring Check Valve, Inline, 1/2 in, FNPT x FNPT, Bronze Body

Zoro # G2310987
Mfr # 6AJY1
product price: 
$18.39
/ea
Nds Swing Check Valve, Inline, 3/4 in, Socket x Socket, PVC Body 1520-07
Nds

Swing Check Valve, Inline, 3/4 in, Socket x Socket, PVC Body

Zoro # G1384284
Mfr # 1520-07
product price: 
$18.19
/ea
Nds Swing Check Valve, Inline, 1 in Pipe Size, IPS Slip x IPS Slip, PVC 1520-10
Nds

Swing Check Valve, Inline, 1 in Pipe Size, IPS Slip x IPS Slip, PVC

Zoro # G1238395
Mfr # 1520-10
product price: 
$21.79
/ea
Hayward Flow Control Check Valve, True Union, Ball, 2", PVC/FPM, S/T TC10200ST
Hayward Flow Control

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

Zoro # G0369047
Mfr # TC10200ST
product price: 
$171.99
/ea
Milwaukee Valve 2" Flanged Cast Iron Swing Check Valve 2974-M 2
Milwaukee Valve

2" Flanged Cast Iron Swing Check Valve

Zoro # G1386156
Mfr # 2974-M 2
product price: 
$283.05
/ea
Apollo Valves 1/4" FNPT Bronze Ball Cone Spring Check Valve 6110101
Apollo Valves

1/4" FNPT Bronze Ball Cone Spring Check Valve

Zoro # G0601377
Mfr # 6110101
product price: 
$39.59
/ea
Nds Swing Check Valve, Inline, 1 1/2 in Pipe Size, FNPT x FNPT, PVC Body 1520-15F
Nds

Swing Check Valve, Inline, 1 1/2 in Pipe Size, FNPT x FNPT, PVC Body

Zoro # G2902566
Mfr # 1520-15F
product price: 
$28.75
/ea
Zoro Select 3/8" Barb Gray PVC Ball Cone Spring Check Valve PVC CHK 426-6B6B-F
Zoro Select

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

Zoro # G0344486
Mfr # PVC CHK 426-6B6B-F
product price: 
$19.89
/ea
Nds Swing Check Valve, Inline, 3/4 in Pipe Size, FNPT x FNPT, PVC Body 1520-07F
Nds

Swing Check Valve, Inline, 3/4 in Pipe Size, FNPT x FNPT, PVC Body

Zoro # G0665621
Mfr # 1520-07F
product price: 
$20.59
/ea
Zoeller Silent Check Valve, 2 in, Solvent Weld x Solvent Weld, Inline Swing, PVC 30-0042
Zoeller

Silent Check Valve, 2 in, Solvent Weld x Solvent Weld, Inline Swing, PVC

Zoro # G0880092
Mfr # 30-0042
product price: 
$39.95
/ea
Smith-Cooper 3" Swing Check Valve 4347002880
Smith-Cooper

3" Swing Check Valve

Zoro # G6775717
Mfr # 4347002880
product price: 
$147.99
/ea
Bonomi 2-1/2" NPT Brass Spring Check Valve 100012LF-2-1/2"
Bonomi

2-1/2" NPT Brass Spring Check Valve

Zoro # G2011390
Mfr # 100012LF-2-1/2"
product price: 
$191.99
/ea
Liberty Pumps Check Valve Kit, Ascent II Series, Plastic, 4 in H K001909
Liberty Pumps

Check Valve Kit, Ascent II Series, Plastic, 4 in H

Zoro # G900919775
Mfr # K001909
product price: 
$44.59
/ea
Smith-Cooper 1-1/2" Brass Inline Check Valve 4347003780
Smith-Cooper

1-1/2" Brass Inline Check Valve

Zoro # G6775890
Mfr # 4347003780
product price: 
$32.69
/ea
Discover Swing Check Valve, 3 in, FNPT x FNPT, Brass 102306
Discover

Swing Check Valve, 3 in, FNPT x FNPT, Brass

Zoro # G715879769
Mfr # 102306
product price: 
$164.99
/ea
Discover Inline Check Valve, 1/4 in Tube Size, MNPT x FNPT, 316 Stainless Steel 101134
Discover

Inline Check Valve, 1/4 in Tube Size, MNPT x FNPT, 316 Stainless Steel

Zoro # G815879805
Mfr # 101134
product price: 
$28.99
/ea
Zoro Select 3/8" MNPT x FNPT Brass Piston Spring Check Valve CHK BRS 610-6M6F-B
Zoro Select

3/8" MNPT x FNPT Brass Piston Spring Check Valve

Zoro # G0850026
Mfr # CHK BRS 610-6M6F-B
product price: 
$25.69
/ea
Milwaukee Valve 3/4" FNPT Bronze Swing Y Check Valve 507 3/4
Milwaukee Valve

3/4" FNPT Bronze Swing Y Check Valve

Zoro # G1121382
Mfr # 507 3/4
product price: 
$108.51
/ea
Apollo Valves 1-1/2" FNPT Stainless Steel Ball Cone Spring Check Valve 6210701
Apollo Valves

1-1/2" FNPT Stainless Steel Ball Cone Spring Check Valve

Zoro # G1992961
Mfr # 6210701
product price: 
$382.99
/ea
Keckley 4" Cast Iron Wafer Check Valve DD1F-CI-34136-400
Keckley

4" Cast Iron Wafer Check Valve

Zoro # G1612445
Mfr # DD1F-CI-34136-400
product price: 
$250.99
/ea
Zoro Select 1/4" FNPT x MNPT Stainless Steel Piston Spring Check Valve CHK SST 410-4F4M-F
Zoro Select

1/4" FNPT x MNPT Stainless Steel Piston Spring Check Valve

Zoro # G1175106
Mfr # CHK SST 410-4F4M-F
product price: 
$41.99
/ea
Zoeller Full Flow Check Valve, 3 in, Solvent Weld x Solvent Weld, Inline Swing, PVC 30-0044
Zoeller

Full Flow Check Valve, 3 in, Solvent Weld x Solvent Weld, Inline Swing, PVC

Zoro # G2358492
Mfr # 30-0044
product price: 
$89.99
/ea
Zoeller Silent Combo Swing Check Valve 1-1/2" 30-0046
Zoeller

Silent Combo Swing Check Valve 1-1/2"

Zoro # G3654673
Mfr # 30-0046
product price: 
$58.39
/ea
Check Valves (3,500+ items) - Page 3
  • First
  • Previous
  • 3
    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
Stainless Steel Pipe FittingsBlack 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