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Systems for Hazardous Gases
Powell Valve Closure Systems are suitable for use with hazardous gases such as chlorine, ammonia, sulfur dioxide and more. |
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Frequently asked questions, technical topics, and more. 
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Have a unique application? Powell may have a customized solution.

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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. |
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Search all Powell websites:
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Contact Us
Discover how Powell Valve Closure Systems can become an important layer of protection in your Risk Management Plan.
Address: |
Powell Fabrication & Manufacturing, Inc.
740 E Monroe Road
Saint Louis, Michigan 48880 |
| Phone: |
888.800.2310 (Toll Free)
989.681.2158 (Local) |
| Fax: |
989.681.5013 |
| Email: |
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| Website: |
www.powellfab.com
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Shutdown Systems for Various Container Sizes
Powell is the only manufacturer to offer both pneumatic or electric systems for both small to large container sizes.
For 150 lb Cylinders and Ton Containers |
Electric |
Pneumatic |
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For Large Containers Ranging from 20-Ton Bullet Tanks
to 90-Ton Railcars |
Pneumatic |
| For Plug Type Angle Valves |
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| For Ball Type Angle Valves |
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