Electric Shut Off Systems for Small Containers
Pneumatic Shut Off Systems for Small Containers
Pneumatic Shut Off Systems for Large Containers with Plug-Type Angle Valves
Pneumatic Systems for Large Containers with 1/4 Turn Ball-Type Angle Valves

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UL-CUL Approved
Powell Valve Closure System control panels (UniPro family, MaxPro™ RA & E-Pro®) are listed by Underwriters Laboratory to UL 508A for Enclosed Industrial Control Panels. Panels are listed by Underwriters Laboratory bearing the UL & CUL mark for use in the United States and Canada markets. In applications where a CSA listed control panel in Canada is required, please contact Powell for further information.

Powell Durability Testing

Threshold Pressure and the UniPro™ Torque Limiting Valve Adapter for Soft Seat Valves

Available Valve Adapters for UniPro™ Valve Closure System

Automated Shut Off Valves on Flexible Transfer Hoses: Why Mount An Emergency Valve Closure Actuator On A Tank Car Valve?

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UniPro™ Remote Emergency Stop Pushbutton Panel

The UniPro™ Remote Emergency Stop Pushbutton Panel (E-Stop Panel) may be installed wherever convenient for operators to reach in an emergency. The operators can use the E-Stop Panel to remotely shut the railcar valves without approaching the railcar.
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