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 100

Milwaukee Valve Swing Y Check Valve, 2.25 in Overall L 508 1/4"
Milwaukee Valve

Swing Y Check Valve, 2.25 in Overall L

Zoro # G3201886
Mfr # 508 1/4"
product price:  $67.79
/ea
Sold in mult. of 10 for $677.90
Strataflo 3" MNPT No-Lead Brass Check Valve with Buna-S Rubber Poppet F300-300
Strataflo

3" MNPT No-Lead Brass Check Valve with Buna-S Rubber Poppet

Zoro # G904942892
Mfr # F300-300
product price:  $766.99
/ea
Water Source CV-200NL Check Valve, 2 in, 200 psi Pressure, Brass Body CV200NL
Water Source

CV-200NL Check Valve, 2 in, 200 psi Pressure, Brass Body

Zoro # G816044202
Mfr # CV200NL
product price:  $66.29
/ea
Dixon Spring Check Valve, Series: HSC, 1-1/2 in Nominal, Clamp, 145 psi, 15 to 200 deg F, 3.4 in Inlet to HSCE150
Dixon

Spring Check Valve, Series: HSC, 1-1/2 in Nominal, Clamp, 145 psi, 15 to 200 deg F, 3.4 in Inlet to

Zoro # G709091498
Mfr # HSCE150
product price:  $439.99
/ea
Strataflo 1" FNPT Brass Check Valve with Buna-S Rubber Poppet 300-100
Strataflo

1" FNPT Brass Check Valve with Buna-S Rubber Poppet

Zoro # G604992098
Mfr # 300-100
product price:  $150.99
/ea
Apollo Valves VLV, CHK, SWNG, Y, 1/2inNPT, LF BRZ, (PTFE SEAT, CL125, 61YLF SER) 61YLF203T1
Apollo Valves

VLV, CHK, SWNG, Y, 1/2inNPT, LF BRZ, (PTFE SEAT, CL125, 61YLF SER)

Zoro # G922711791
Mfr # 61YLF203T1
product price:  $111.99
/ea
Apollo Valves VLV, BALL CONE CHK, 2-1/2in, 61LF (SER, LF BRS) 61LF10901
Apollo Valves

VLV, BALL CONE CHK, 2-1/2in, 61LF (SER, LF BRS)

Zoro # G822711174
Mfr # 61LF10901
product price:  $582.99
/ea
Apollo Valves VLV, CHK, SWNG, Y, 2inNPT, BRZ, (PTFE SEAT, CL125, 61Y SER) 61Y208T1
Apollo Valves

VLV, CHK, SWNG, Y, 2inNPT, BRZ, (PTFE SEAT, CL125, 61Y SER)

Zoro # G522711467
Mfr # 61Y208T1
product price:  $340.99
/ea
Homewerks HP Kit Fauc CHK Valve 31-438-HP
Homewerks

HP Kit Fauc CHK Valve

Zoro # G407969037
Mfr # 31-438-HP
product price:  $4.85
/ea
Sold in mult. of 5 for $24.25
Hayward Flow Control Wafer Check Valve, 2.4063 in Overall L WCV1300V
Hayward Flow Control

Wafer Check Valve, 2.4063 in Overall L

Zoro # G4998025
Mfr # WCV1300V
product price:  $541.99
/ea
Camozzi Spool Valve, Mech., Ser 3 338-945
Camozzi

Spool Valve, Mech., Ser 3

Zoro # G506693178
Mfr # 338-945
product price:  $54.55
/ea
Everflow Feed Pressure Water Regulator Purge Check Valve for Heaters and Boilers 1/2" 186TS012
Everflow

Feed Pressure Water Regulator Purge Check Valve for Heaters and Boilers 1/2"

Zoro # G601106894
Mfr # 186TS012
product price:  $103.99
/ea
Superjock 0.75 in. in. Double Barb Inline Scupper Check Valve, Black SU2561043
Superjock

0.75 in. in. Double Barb Inline Scupper Check Valve, Black

Zoro # G310045064
Mfr # SU2561043
product price:  $43.29
/ea
Orfebreria 2 in. Zoeller Slip PVC Check Valve, 4PK OR3313289
Orfebreria

2 in. Zoeller Slip PVC Check Valve, 4PK

Zoro # G311957076
Mfr # OR3313289
product price:  $225.99
/pk 4, $56.50/ea
Drainage Industries 1-1/4 In. ABS In-Line Sump Pump Check Valve CV01.25/1.5INRB
Drainage Industries

1-1/4 In. ABS In-Line Sump Pump Check Valve

Zoro # G311360579
Mfr # CV01.25/1.5INRB
product price:  $14.29
/ea
Homewerks 3/4 in. D X 3/4 in. D FIP Brass Swing Check Valve 240-2-34
Homewerks

3/4 in. D X 3/4 in. D FIP Brass Swing Check Valve

Zoro # G316292714
Mfr # 240-2-34
product price:  $19.45
/ea
Proline Series 1-1/4 In. PVC Schedule 40 Spring Loaded Check Valve 101-106
Proline Series

1-1/4 In. PVC Schedule 40 Spring Loaded Check Valve

Zoro # G111360557
Mfr # 101-106
product price:  $21.55
/ea
Legend Valve 8" T-312 DI WAFER CHEK DI DISC 116-247
Legend Valve

8" T-312 DI WAFER CHEK DI DISC

Zoro # G1809047
Mfr # 116-247
product price:  $289.99
/ea
Ham-Let Instrumentation Check Valve H-400HP-SS-L-10MM1PSI
Ham-Let

Instrumentation Check Valve

Zoro # G108436975
Mfr # H-400HP-SS-L-10MM1PSI
product price:  $133.99
/ea
Milwaukee Valve Swing Check Valve, 3.5625 in Overall L 515 1-1/4"
Milwaukee Valve

Swing Check Valve, 3.5625 in Overall L

Zoro # G1779741
Mfr # 515 1-1/4"
product price:  $120.99
/ea
Sold in mult. of 4 for $483.96
Milwaukee Valve 1-1/2" Sweat Low Lead Bronze Spring Check Valve UP1509 1 1/2
Milwaukee Valve

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

Zoro # G1923302
Mfr # UP1509 1 1/2
product price:  $223.99
/ea
Homewerks 1 in. D X 1 in. D FIP Brass Swing Check Valve 240-2-1
Homewerks

1 in. D X 1 in. D FIP Brass Swing Check Valve

Zoro # G016292717
Mfr # 240-2-1
product price:  $24.19
/ea
Us Hardware BLK ABS Male Vent Check P-178C
Us Hardware

BLK ABS Male Vent Check

Zoro # G808350748
Mfr # P-178C
product price:  $8.49
/ea
Merit Brass Co 1 In. 316 Stainless Steel Swing Check Valve - 200 PSI VSC102-16
Merit Brass Co

1 In. 316 Stainless Steel Swing Check Valve - 200 PSI

Zoro # G605488422
Mfr # VSC102-16
product price:  $228.99
/ea
Hayward Flow Control Y-Check Valve, 1", PVC/EPDM, Threaded YC10100TE
Hayward Flow Control

Y-Check Valve, 1", PVC/EPDM, Threaded

Zoro # G6388776
Mfr # YC10100TE
product price:  $199.81
/ea
Strataflo 2" FNPT No-Lead Brass Check Valve with Buna-S Rubber Poppet F300-200
Strataflo

2" FNPT No-Lead Brass Check Valve with Buna-S Rubber Poppet

Zoro # G604942888
Mfr # F300-200
product price:  $404.99
/ea
Ham-Let Instrumentation Check Valve H-400-SS-L-6MM-1/3PSI
Ham-Let

Instrumentation Check Valve

Zoro # G208789599
Mfr # H-400-SS-L-6MM-1/3PSI
product price:  $79.99
/ea
Strataflo 3/8" FNPT Brass Check Valve with Stainless Steel Poppet 400-038
Strataflo

3/8" FNPT Brass Check Valve with Stainless Steel Poppet

Zoro # G404942859
Mfr # 400-038
product price:  $103.99
/ea
Bookazine 1.5 in. Single Union Spring Check Valve - Corrosion Resistant TI985411
Bookazine

1.5 in. Single Union Spring Check Valve - Corrosion Resistant

Zoro # G904016050
Mfr # TI985411
product price:  $46.55
/ea
Midland Industries VALVE CHECK INLINE 3/4IN FPT X FPT 949431
Midland Industries

VALVE CHECK INLINE 3/4IN FPT X FPT

Zoro # G921700260
Mfr # 949431
product price:  $94.75
/ea
B & K B & K CV6TLF 1.5 in. Check Lead Valve 4509337
B & K

B & K CV6TLF 1.5 in. Check Lead Valve

Zoro # G816316132
Mfr # 4509337
product price:  $84.65
/ea
Milton .13" Tank Valve- Male MILS-684
Milton

.13" Tank Valve- Male

Zoro # G810871422
Mfr # MILS-684
product price:  $20.89
/ea
Delzone No. 0.3 Check Valve Spring Style DE34992
Delzone

No. 0.3 Check Valve Spring Style

Zoro # G811927012
Mfr # DE34992
product price:  $51.99
/ea
Enderle 6007-250A AN6 Check Valve Spring 90-250 Psi Range END6007-250A
Enderle

6007-250A AN6 Check Valve Spring 90-250 Psi Range

Zoro # G724189446
Mfr # END6007-250A
product price:  $27.19
/ea
Midland Industries VALVE CHECK INLINE 1IN FPT X FPT 304 SST 949432
Midland Industries

VALVE CHECK INLINE 1IN FPT X FPT 304 SST

Zoro # G621700041
Mfr # 949432
product price:  $153.99
/ea
Midland Industries VALVE CHECK 1/2IN FIP X FIP BRS 200PSI 944430LF
Midland Industries

VALVE CHECK 1/2IN FIP X FIP BRS 200PSI

Zoro # G721698811
Mfr # 944430LF
product price:  $39.99
/ea
Check Valves (3,500+ items) - Page 100
  • First
  • Previous
  • 100
    of 105 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