Frequently Asked Questions About:

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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
 
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 Application Evaluation Service

Powell supplies all potential customers with a detailed questionnaire to determine which components will be needed to assemble a system specific to the customer’s needs. On occasion, customers have applications that make use of modified or unique hardware. In these cases, Powell offers an Application Evaluation Service. Since Powell is the original equipment manufacturer, application evaluations can have results ranging from simple advice given over the phone to a complete development program that would yield custom components to fit a unique need.

Contact Us

To determine if Powell can offer a customized solution to fulfill your unique needs, the Application Evaluation Service can be accessed over the phone (989.681.2158), by e-mail, or if necessary, we can send an engineer to the actual customer site to evaluate the application first hand.

Shutdown Systems for Various Container Sizes

Powell is the only manufacturer to offer both pneumatic or electric systems for both small (150 lb - 1 Ton) to large container sizes (20 Ton Bullet Tanks to 90 Ton Railcars).

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.  

For more information about the valve closure system that will work in your application, reference the following matrix:

For 150 lb Cylinders and Ton Containers
Electric
Pneumatic
For Large Containers Ranging from 20-Ton Bullet Tanks
to 90-Ton Railcars
Pneumatic
For Plug Type Angle Valves
For Ball Type Angle Valves

 

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