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

Check Valves (3,500+ items) - Page 8

Bonomi 1" NPT Stainless Steel Spring Check Valve S250-1"
Bonomi

1" NPT Stainless Steel Spring Check Valve

Zoro # G6031641
Mfr # S250-1"
product price:  $50.19
/ea
Little Giant Pump Check Valve, Condensate, MNPT 599069
Little Giant Pump

Check Valve, Condensate, MNPT

Zoro # G1525501
Mfr # 599069
product price:  $12.39
/ea
Legend Valve 1" T-611 PVC CHECK VALVE 203-105
Legend Valve

1" T-611 PVC CHECK VALVE

Zoro # G1769250
Mfr # 203-105
product price:  $11.99
/ea
Zoro Select 1/2" FNPT x MNPT Brass Piston Spring Check Valve CHK BRS 810-8F8M-F
Zoro Select

1/2" FNPT x MNPT Brass Piston Spring Check Valve

Zoro # G2637004
Mfr # CHK BRS 810-8F8M-F
product price:  $34.59
/ea
Apollo Valves 1-1/4" FNPT Stainless Steel Ball Cone Spring Check Valve 6210601
Apollo Valves

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

Zoro # G1552914
Mfr # 6210601
product price:  $271.99
/ea
Val-Matic 4" Flanged Cast Iron Silent Check Valve 1804A-DSY
Val-Matic

4" Flanged Cast Iron Silent Check Valve

Zoro # G3051361
Mfr # 1804A-DSY
product price:  $1,071.99
/ea
Bonomi 1-1/2" NPT Stainless Steel Spring Check Valve S800-11/2"
Bonomi

1-1/2" NPT Stainless Steel Spring Check Valve

Zoro # G3769197
Mfr # S800-11/2"
product price:  $202.99
/ea
Proline Series Check Valve, PVC, Solvent, 3/4" 101-604
Proline Series

Check Valve, PVC, Solvent, 3/4"

Zoro # G7817531
Mfr # 101-604
product price:  $4.15
/ea
Sold in mult. of 3 for $12.45
Milwaukee Valve Swing Y Check Valve, 5.875 in Overall L 508 2"
Milwaukee Valve

Swing Y Check Valve, 5.875 in Overall L

Zoro # G0842414
Mfr # 508 2"
product price:  $358.99
/ea
Apollo Valves 1/2" FNPT Lead Free Bronze Ball Cone Check Valve 61LF10301
Apollo Valves

1/2" FNPT Lead Free Bronze Ball Cone Check Valve

Zoro # G5151693
Mfr # 61LF10301
product price:  $49.39
/ea
Campbell Brady 3/4'' Acetal Polymer Spring-Loaded Check Valve SLC-75
Campbell

Brady 3/4'' Acetal Polymer Spring-Loaded Check Valve

Zoro # G121872156
Mfr # SLC-75
product price:  $10.99
/ea
Legend Valve 3/4 NO LEAD PRESS INLINE CHECK 105-454NL
Legend Valve

3/4 NO LEAD PRESS INLINE CHECK

Zoro # G1798319
Mfr # 105-454NL
product price:  $18.39
/ea
Hayward Flow Control Check Valve, True Union, Ball, 3/4", PVC/FPM, S/T TC10075ST
Hayward Flow Control

Check Valve, True Union, Ball, 3/4", PVC/FPM, S/T

Zoro # G2521793
Mfr # TC10075ST
product price:  $69.69
/ea
Zoro Select Check Valve, 1-1/2", 316, Thrd 200 4373002160
Zoro Select

Check Valve, 1-1/2", 316, Thrd 200

Zoro # G1461822
Mfr # 4373002160
product price:  $122.99
/ea
Zoro Select 1/4" FNPT Gray PVC Ball Cone Spring Check Valve PVC CHK 426-4F4F-B
Zoro Select

1/4" FNPT Gray PVC Ball Cone Spring Check Valve

Zoro # G1117566
Mfr # PVC CHK 426-4F4F-B
product price:  $19.89
/ea
Zoro Select Swing Check Valve, 2.2 in Overall L 10F290
Zoro Select

Swing Check Valve, 2.2 in Overall L

Zoro # G4284567
Mfr # 10F290
product price:  $26.89
/ea
Zoro Select 1/4" FNPT Brass Piston Spring Check Valve CHK BRS 415-4F4F-F
Zoro Select

1/4" FNPT Brass Piston Spring Check Valve

Zoro # G1925332
Mfr # CHK BRS 415-4F4F-F
product price:  $25.19
/ea
Nds Swing Check Valve, 5.125 in Overall L 1520-12F
Nds

Swing Check Valve, 5.125 in Overall L

Zoro # G0377404
Mfr # 1520-12F
product price:  $32.99
/ea
Milwaukee Valve Swing Check Valve, 2.3125 in Overall L 509 1/2
Milwaukee Valve

Swing Check Valve, 2.3125 in Overall L

Zoro # G3001056
Mfr # 509 1/2
product price:  $51.18
/ea
Val-Matic 4" Flanged Cast Iron Swing Flex Check Valve 504A-DB6F
Val-Matic

4" Flanged Cast Iron Swing Flex Check Valve

Zoro # G0472482
Mfr # 504A-DB6F
product price:  $1,186.99
/ea
Zoro Select 1/4" Barb White Nylon Ball Cone Spring Check Valve WN CHK 695-4B4B-B
Zoro Select

1/4" Barb White Nylon Ball Cone Spring Check Valve

Zoro # G1850396
Mfr # WN CHK 695-4B4B-B
product price:  $6.79
/ea
Keckley 2" Stainless Steel Wafer Check Valve DD2R-36-364IX-200
Keckley

2" Stainless Steel Wafer Check Valve

Zoro # G1612418
Mfr # DD2R-36-364IX-200
product price:  $611.99
/ea
Campbell Brady 1-1/2 In. Acetal Polymer Spring Loaded Check Valve SLC-150
Campbell

Brady 1-1/2 In. Acetal Polymer Spring Loaded Check Valve

Zoro # G611335826
Mfr # SLC-150
product price:  $35.59
/ea
Watts 3/8" FNPT x Male Flare Stainless Steel Dual Check Valve SD3-MF 3/8"
Watts

3/8" FNPT x Male Flare Stainless Steel Dual Check Valve

Zoro # G2228247
Mfr # SD3-MF 3/8"
product price:  $495.48
/ea
Campbell 1-1/4" FNPT Low Lead Brass Spring Check Valve w/Taps CVB-5TLF
Campbell

1-1/4" FNPT Low Lead Brass Spring Check Valve w/Taps

Zoro # G4731876
Mfr # CVB-5TLF
product price:  $57.75
/ea
Viega 2" X 2" Press Low Lead Bronze Spring Check Valve 79060
Viega

2" X 2" Press Low Lead Bronze Spring Check Valve

Zoro # G1906012
Mfr # 79060
product price:  $156.99
/ea
Legend Valve 1" T-455 NL IPS IN-LINE CHECK 105-445NL
Legend Valve

1" T-455 NL IPS IN-LINE CHECK

Zoro # G1769226
Mfr # 105-445NL
product price:  $53.29
/ea
Discover 1 in. Stainless Steel Swing Check Valve 316SS 102575
Discover

1 in. Stainless Steel Swing Check Valve 316SS

Zoro # G815879713
Mfr # 102575
product price:  $38.25
/ea
Mecline Check Valve, 2.3281 in Overall L CV3-40038
Mecline

Check Valve, 2.3281 in Overall L

Zoro # G5529456
Mfr # CV3-40038
product price:  $33.49
/ea
Plast-O-Matic Check Valve, 4.7188 in Overall L CKM100V-PV
Plast-O-Matic

Check Valve, 4.7188 in Overall L

Zoro # G4078261
Mfr # CKM100V-PV
product price:  $159.99
/ea
Zoeller Check Valve 30-0257
Zoeller

Check Valve

Zoro # G600488175
Mfr # 30-0257
product price:  $75.79
/ea
Steel & Obrien 3" Tri-Clamp End Disk Type Check Vakve - 3.36" Long 316SS 45MP-3-CD-316
Steel & Obrien

3" Tri-Clamp End Disk Type Check Vakve - 3.36" Long 316SS

Zoro # G5412852
Mfr # 45MP-3-CD-316
product price:  $631.99
/ea
Milwaukee Valve 6" Flanged Cast Steel Swing Check Valve 1570 CB2 6"
Milwaukee Valve

6" Flanged Cast Steel Swing Check Valve

Zoro # G2045985
Mfr # 1570 CB2 6"
product price:  $1,278.99
/ea
Parker 3/8" Push x 1/4" MNPT Kynar Check Valve FB6MCVC4-HBLK-05
Parker

3/8" Push x 1/4" MNPT Kynar Check Valve

Zoro # G4397145
Mfr # FB6MCVC4-HBLK-05
product price:  $21.19
/ea
Dixon 3" FNPT Brass Horizontal Swing Check Valve SWCV300
Dixon

3" FNPT Brass Horizontal Swing Check Valve

Zoro # G6549335
Mfr # SWCV300
product price:  $201.99
/ea
Milwaukee Valve Swing Check Valve, 3.25 in Overall L 509 1
Milwaukee Valve

Swing Check Valve, 3.25 in Overall L

Zoro # G2746353
Mfr # 509 1
product price:  $80.86
/ea
Check Valves (3,500+ items) - Page 8
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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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