PVC Union Ball Valves | McMaster-Carr

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225 Products

About On/Off Valves

Easy-to-Install Plastic Threaded On/Off Valves

A threaded union on these valves makes them easy to install and remove without disrupting your line.

Easy-to-Install Socket-Connect
On/Off Valves for Chemicals

Streamline your installation and removal process. These valves give you the leak-tight permanent connection of a socket connect with the ease of fittings that come apart.

Easy-to-Install Threaded
On/Off Valves for Chemicals

For fast installation and removal from pipelines, these valves have union fittings that disassemble into multiple pieces. All have a fluoroelastomer seal and a plastic body that can stand up to aggressive and corrosive solutions in chemical-processing applications.

Easy-to-Install Socket-Connect
On/Off Valves for Drinking Water

Ideal for lines that need frequent maintenance, these valves have union fittings that disassemble quickly for removal. They meet NSF/ANSI 61 for use with drinking water.

Easy-to-Install Plastic Threaded
On/Off Valves for Drinking Water

Disassemble the union fittings on these valves for fast installation and removal from your pipeline. All meet NSF/ANSI 61 for use with drinking water.

Union Fittings for Flow-Control Valves

Attach these valve bodies to your actuator to automatically or manually control flow in your line.

Easy-to-Install Plastic Threaded
Flow-Adjustment Valves

A threaded union on these valves makes them easy to install and remove without disrupting your line.

Easy-to-Install Threaded Diverting Valves

For easy installation and removal from pipelines, all ends on these valves have union fittings that disassemble into multiple pieces. Use with water. Valves divert flow between ports.

Easy-to-Install Threaded
Diverting Valves for Chemicals

For easy installation and removal from pipelines, all ends on these valves have union fittings that disassemble into multiple pieces. Their fluoroelastomer seal and plastic body can withstand aggressive and corrosive solutions for diverting flow between ports in chemical-processing applications.

Diverting Valves for Drinking Water

To divert flow between ports in drinking water lines, these valves meet NSF/ANSI 61.

About On/Off Valves

Flow-Control Valves

Easy-to-Install Plastic Threaded On/Off Valves

Easy-to-Install Socket-ConnectOn/Off Valves for Chemicals

Easy-to-Install ThreadedOn/Off Valves for Chemicals

Easy-to-Install Socket-ConnectOn/Off Valves for Drinking Water

Easy-to-Install Plastic ThreadedOn/Off Valves for Drinking Water