PVC Check Valves | McMaster-Carr

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Stainless Steel

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For Use With

Methyl Ethyl Ketone (MEK)

Mineral Spirits

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Check Valve Type

Spring-Loaded Ball

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316 Stainless Steel

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123 Products

Check Valves

Check Valves for Harsh Chemicals

Easy-Install Threaded Check Valves for Harsh Chemicals

Easy-Install Threaded Check Valves for Harsh Chemicals

Reduce installation time and allow for maintenance without detaching pipe connections

Socket-Connect Check Valves for Harsh Chemicals

Socket-Connect Check Valves for Harsh Chemicals

Insert unthreaded pipe into the socket ends and weld to create a permanent, leak-tight connection

Threaded Check Valves for Harsh Chemicals

Threaded Check Valves for Harsh Chemicals

Open to allow flow in one direction and close when flow stops or reverses

Clear-View Socket-Connect Check Valves for Harsh Chemicals

Clear-View Socket-Connect Check Valves for Harsh Chemicals

Inspect flow and debris accumulation through the transparent valve body

Check Valves

Check Valves with Barbed Fittings

Check Valves with Barbed Fittings

Barbs grip onto tubing, providing a secure hold

Plastic Socket-Connect Check Valves

Plastic Socket-Connect Check Valves

Bond to unthreaded pipe with primer and cement for a permanent, leak-tight connection

Check Valves with Push-to-Connect Fittings

Check Valves with Push-to-Connect Fittings

Insert tubing into the fitting without needing heat, solder, or flux

Clear-View Socket-Connect Check Valves

Clear-View Socket-Connect Check Valves

Inspect flow and debris accumulation through the transparent valve body

Plastic Threaded Check Valves

Plastic Threaded Check Valves

Plastic provides a lightweight alternative to metal

Check Valves for Drinking Water

Threaded Check Valves for Drinking Water

Threaded Check Valves for Drinking Water

Meet NSF/ANSI 61 requirements for drinking water service

Socket-Connect Check Valves for Drinking Water

Socket-Connect Check Valves for Drinking Water

Bond to unthreaded pipe with primer and cement for a permanent, leak-tight connection

Other Products

Sump Pump Backflow-Prevention Valves

Sump Pump Backflow-Prevention Valves

Block dirty water from returning to your sump pump

Vacuum Breakers

Vacuum Breakers

When pressure drops, vents open to prevent suction from drawing liquid back upstream

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)