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  1. Home
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  3. Plumbing
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  5. Pipes, Valves & Fittings
  6. /
  7. Valves
  8. /
  9. Check Valves

Check Valves (3,500+ items) - Page 37

Wayland 2in Y-BALL CHECK VALVE -316L W645BY-E-2
Wayland

2in Y-BALL CHECK VALVE -316L

Zoro # G212506588
Mfr # W645BY-E-2
product price:  $499.99
/ea
Bonomi 2-1/2" Double Door Check Valve NC150E-21/2
Bonomi

2-1/2" Double Door Check Valve

Zoro # G7565227
Mfr # NC150E-21/2
product price:  $82.29
/ea
Legend Valve 3/4" S453 NL Y-PTN CHECK VALVE 105-404NL
Legend Valve

3/4" S453 NL Y-PTN CHECK VALVE

Zoro # G1854355
Mfr # 105-404NL
product price:  $39.25
/ea
Legris 3/8" FNPT Stainless Steel Spring Check Valve PK2 4895 18 18
Legris

3/8" FNPT Stainless Steel Spring Check Valve PK2

Zoro # G0386915
Mfr # 4895 18 18
product price:  $244.99
/pk 2, $122.50/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
Everflow FIP Swing Check Valve, Cast Brass 3/4" 210T034-NL
Everflow

FIP Swing Check Valve, Cast Brass 3/4"

Zoro # G901106891
Mfr # 210T034-NL
product price:  $14.69
/ea
Ham-Let Instrumentation Check Valve H-400-SS-L-3/4-1/3PSI
Ham-Let

Instrumentation Check Valve

Zoro # G808258853
Mfr # H-400-SS-L-3/4-1/3PSI
product price:  $559.99
/ea
Taco REPLCMNT INTERNAL FLOW CHECK 0012-021RP
Taco

REPLCMNT INTERNAL FLOW CHECK

Zoro # G809254229
Mfr # 0012-021RP
product price:  $50.59
/ea
Legend Valve 1-1/2 T-455 IPS IN-LINE CHECK 105-447
Legend Valve

1-1/2 T-455 IPS IN-LINE CHECK

Zoro # G1769208
Mfr # 105-447
product price:  $77.49
/ea
Wayland 1.5in Y-BALL CHECK VALVE -316L W645BY-E-15
Wayland

1.5in Y-BALL CHECK VALVE -316L

Zoro # G612506638
Mfr # W645BY-E-15
product price:  $426.99
/ea
Thrifco Plumbing 3/4 Inch CXC Brass Swing Check Valve 6415179
Thrifco Plumbing

3/4 Inch CXC Brass Swing Check Valve

Zoro # G609547712
Mfr # 6415179
product price:  $22.95
/ea
Legend Valve 1" T-655 PVC BALL CHECK 201-275
Legend Valve

1" T-655 PVC BALL CHECK

Zoro # G1785737
Mfr # 201-275
product price:  $41.49
/ea
Conbraco 1 in. BALL CONE CHECK VLV, BRZ 61-105-01
Conbraco

1 in. BALL CONE CHECK VLV, BRZ

Zoro # G009545028
Mfr # 61-105-01
product price:  $201.99
/ea
Hayward Flow Control Y-Check Valve, True Union, 4", PVC/EPDM, Socket YC10400SEU
Hayward Flow Control

Y-Check Valve, True Union, 4", PVC/EPDM, Socket

Zoro # G7023134
Mfr # YC10400SEU
product price:  $1,245.99
/ea
Everflow FIP Inline Spring Loaded Check Valve, Cast Brass 1-1/4" 150T114-NL
Everflow

FIP Inline Spring Loaded Check Valve, Cast Brass 1-1/4"

Zoro # G401106889
Mfr # 150T114-NL
product price:  $43.29
/ea
Campbell Brady 1'' Acetal Polymer Foot & Check Valve SFV100
Campbell

Brady 1'' Acetal Polymer Foot & Check Valve

Zoro # G721860713
Mfr # SFV100
product price:  $16.49
/ea
Midland Industries VALVE CHECK SPR BARREL-TYPE 2-PC 3/4IN 949444
Midland Industries

VALVE CHECK SPR BARREL-TYPE 2-PC 3/4IN

Zoro # G921700949
Mfr # 949444
product price:  $82.59
/ea
Watts 1/2 in. BACKFLOW PREVENT/FILL VLV 0386463
Watts

1/2 in. BACKFLOW PREVENT/FILL VLV

Zoro # G109769607
Mfr # 0386463
product price:  $454.99
/ea
B & K 1 in. D X 1 in. D FIP Brass Swing Check Valve 240-2-1
B & K

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

Zoro # G8634922
Mfr # 240-2-1
product price:  $21.59
/ea
Midland Industries VALVE CHECK SWG 3IN FPT C85700 BRS 3.8IN 940359
Midland Industries

VALVE CHECK SWG 3IN FPT C85700 BRS 3.8IN

Zoro # G921698550
Mfr # 940359
product price:  $473.99
/ea
Vne Spring Check Valve, 3.5 in Overall L 45C-6.75-E
Vne

Spring Check Valve, 3.5 in Overall L

Zoro # G908363563
Mfr # 45C-6.75-E
product price:  $318.99
/ea
Resideo Service Check Valve SCV-050
Resideo

Service Check Valve

Zoro # G510473957
Mfr # SCV-050
product price:  $25.89
/ea
Everflow SWT Swing Check Valve, Cast Brass 2-1/2" 210C212-NL
Everflow

SWT Swing Check Valve, Cast Brass 2-1/2"

Zoro # G001106920
Mfr # 210C212-NL
product price:  $106.99
/ea
Powerhouse Line Check Valve, 1 - 1.5 in. PO260993
Powerhouse

Line Check Valve, 1 - 1.5 in.

Zoro # G711941392
Mfr # PO260993
product price:  $49.45
/ea
Dayton 1-1/4" or 1-1/2" MNPT TPR Screw-In Check Valve 4UN78
Dayton

1-1/4" or 1-1/2" MNPT TPR Screw-In Check Valve

Zoro # G1522875
Mfr # 4UN78
product price:  $51.59
/ea
B & K Magic Plastics 1-1/2 in. D X 1-1/2 in. D Slip PVC Quiet Check Valve 0821-15H
B & K

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

Zoro # G7694739
Mfr # 0821-15H
product price:  $31.99
/ea
Basiks Check Valve, PVC, 3/4", FKM, Socket TBC360-075VS-PV
Basiks

Check Valve, PVC, 3/4", FKM, Socket

Zoro # G7194831
Mfr # TBC360-075VS-PV
product price:  $38.55
/ea
Champion 8" Flanged Stainless Steel Wafer Check Valve 8SDS15-SSP-R
Champion

8" Flanged Stainless Steel Wafer Check Valve

Zoro # G7344200
Mfr # 8SDS15-SSP-R
product price:  $1,219.99
/ea
Keckley 12" Carbon Steel Wafer Check Valve DD2R-CS-361IX-912
Keckley

12" Carbon Steel Wafer Check Valve

Zoro # G2156896
Mfr # DD2R-CS-361IX-912
product price:  $3,850.99
/ea
Hands On 24 in Stainless Steel Braided Leader Hose with Check Valve HA757510
Hands On

24 in Stainless Steel Braided Leader Hose with Check Valve

Zoro # G215193679
Mfr # HA757510
product price:  $61.15
/ea
Asahi 4 PP FLG SWING CHECK VALVE FKM 1207040
Asahi

4 PP FLG SWING CHECK VALVE FKM

Zoro # G613788071
Mfr # 1207040
product price:  $3,497.99
/ea
Smith-Cooper SW Check IPS 200 NSF, NL 1/2" 4347002810
Smith-Cooper

SW Check IPS 200 NSF, NL 1/2"

Zoro # G6775647
Mfr # 4347002810
product price:  $8.25
/ea
Sold in mult. of 2 for $16.50
Discover 3/4 in. 3 Piece Stainless Steel Spring Check Valve 102751
Discover

3/4 in. 3 Piece Stainless Steel Spring Check Valve

Zoro # G815879737
Mfr # 102751
product price:  $31.15
/ea
Legend Valve 1" S453 NL Y-PTN CHECK VALVE 105-405NL
Legend Valve

1" S453 NL Y-PTN CHECK VALVE

Zoro # G1785798
Mfr # 105-405NL
product price:  $54.39
/ea
Ham-Let Instrumentation Check Valve H-400HP-SS-L-1/4-1/3PSI
Ham-Let

Instrumentation Check Valve

Zoro # G808258792
Mfr # H-400HP-SS-L-1/4-1/3PSI
product price:  $147.99
/ea
Asahi Ball Check Valve, 3.4375 in Overall L 1213005
Asahi

Ball Check Valve, 3.4375 in Overall L

Zoro # G6162208
Mfr # 1213005
product price:  $62.29
/ea
Check Valves (3,500+ items) - Page 37
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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

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