Pneumatic Emergency Shutdown Systems

for Railcars, Tank Cars, and Bullet Tanks

Unipro Standard Emergency Valve Closure System

The only emergency shutdown technology designed for 20-ton bullet tanks to 90-ton railcars, this patent-pending system prevents reportable releases of pressurized hazardous gases at the source. Improve your Risk Management Planning (RMP) scenarios with a pneumatic-powered system that not only promises easy installation and low maintenance, but also superior performance and reliability.

On occasion, customers have applications that make use of modified or unique hardware. In these cases, Powell offers an Application Evaluation Service.

UniPro™ Standard Valve Closure System

Designed to close a variety of plug-type angle valves on railcars and tank trucks with dome sizes between 24 and 42 inches in diameter. Automatically responds to any alarm input, closing valves with 120 lb-ft of torque in less than 10 seconds. Click for more information.

Applicable to a variety of valve designs and hazardous chemicals, the systems have a unique mounting bracket that can be mated to any of several available valve adapters. Click for more information.

Unipro Reversible Emergency Valve Closure System

UniPro™ R (Reversible) Valve Closure System

The only reversible emergency valve closure technology designed for 20-ton bullet tanks to 90-ton railcars, this patent-pending system prevents reportable releases of pressurized hazardous gases at the source. Plus, the UniPro™ R system is easily "reversible" - helping reduce operator effort and potential injuries. Click for more information.

UniPro™ LT (Low Torque) Valve Closure System
Unipro Low Torque Emergency Valve Closure System

The only low-torque emergency valve closure technology designed for 20-ton bullet tanks to 90-ton railcars, this patent-pending system prevents reportable releases of pressurized hazardous gases at the source. Plus, the UniPro™ LT system is specifically designed for "low-torque" valves to prevent damage to the valve seat. Click for more information.

UniPro™ LTR (Low Torque, Reversible) Valve Closure System

The only low-torque, reversible emergency valve closure technology designed for 20-ton bullet tanks to 90-ton railcars, this patented system prevents reportable releases of pressurized hazardous gases at the source. Plus, the UniPro™ LTR system is specifically designed for "low-torque" valves to prevent damage to the valve seat. Click for more information.

UniPro QT™ (Quarter Turn) Valve Closure System

Unipro Low Torque Emergency Valve Closure SystemThe only quarter-turn emergency valve closure technology designed for 20-ton bullet tanks to 90-ton railcars, this patent-pending system prevents reportable releases of pressurized hazardous gases at the source. Plus, the UniPro™ QT system is uniquely designed for "quarter-turn" ball-type valves. Click for more information.

 

Powell UniPro Valve Closure System Family