Have a unique application? Powell may have a customized solution.
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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Because one is a dedicated air line that is pressurized all of the time. This air line provides constant pressure so the operator can use the UniPro™ to manipulate the valve position at any time. The second air line is pressurized only in an emergency. It is important that these two air lines have the same operating pressure. Therefore, we recommend that the dedicated air line be installed in the UniPro™ Air Control Unit at the point where the UniPro™ Air Receiver is attached.
Richard Fortino, BSME, is Powell’s Lead
Valve Closure Development Engineer.
Richard is available to assist you with
your technical questions by email
at rfortino@powellfab.com or by calling
989.681.2158.
