Valve Closure System on 1 Ton Containers
Emergency Shutdown Systems for Hazardous Gases
Powell Valve Closure Systems are suitable for use with hazardous gases such as chlorine, ammonia, sulfur dioxide and more.
 
 
Valve Closure Systems compatible with Vacuum Regulators (Chlorinators)
Vacuum Regulators
Powell can design your valve closure system to accommodate vacuum regulators.
 


Available Systems
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
Gas Detection Systems
Gas Detection Systems

Powell recommended gas detection systems

Gas Detection Systems

Gas Scrubber Systems

Gas Scrubber Systems

Powell offers a variety of equipment and emergency gas scrubber systems.

Gas Scrubber Systems

 

Application Evaluation
Have a unique application? Powell may have a customized solution.

Ask the Engineer

Frequently asked questions, technical topics, and more.

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.
 

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Powell Valve Closure Systems

Powell is the ONLY manufacturer to offer both electric and pneumatic emergency shutdown systems for container sizes ranging from 150 lb cylinders to 90-ton railcars. Systems can be configured to close valves within 10 seconds or less in the event of a gas leak, car or container movement, security breach, fire alarm, seismic event, or numerous other circumstances.

Unipro Reversible Valve Closure System Installed on Railcar

Powell Valve Closure Systems are superior to any other emergency shutdown system available on the market. Powell offers several brackets designed to adapt to a variety of valve types, making the systems compatible with an extensive list of hazardous gasses. Powell can design, engineer and test prototype brackets upon request.  

Emergency Shutdown Systems for 150 lb Cylinders and Ton Containers

MaxPro RA on Ton Container

E-Pro Electric Valve Closure System for 150 lb Cylinders or 1 Ton ContainersPowell offers both electric and pneumatic emergency shutdown systems for 150 lb cylinders and ton containers. Powell Valve Closure Systems are unique from any other emergency shutdown system available on the market in that the actuator mounts on the valve body, not on the yoke.

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. More...

Emergency Shutdown Systems for 20 Ton Bullet Tanks to 90 Ton Railcars

UniPro Valve Closure Family

 

Powell Valve Closure Systems for large containers ranging from 20-Ton bullet tanks to 90-Ton railcars. More...

 

Articles, News, & More

Download a free video application about Powell Valve Closure Systems

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