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pnematic device certififcation
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Question
Answer
Does Von Duprin have an exit device that is pneumatic?
Resolution:
The Von Duprin Pneumatic or "PN" device was designed for Intrinsically Safe Class 1, Division 1 applications.The device does not have a specific listing or certification pertaining to hazardous loc...:
Can a pneumatic (PN) 33A/35A/98/99 exit device use the RX or LX switches?
Resolution:
PN33/35/98/99 Pneumatic exit devices are not usually used with RX or LX switches since the Pneumatic PN device is used instead EL to eliminate the electric from the device.:
What are Pneumatic Automatic Operators?
Resolution:
Pneumatic Automatic Operators are used in areas where electrically operated devices are not convenient or permitted. Consists of a modified, heavy-duty door closer for manual oper...:
What part is required to add a sequencing feature to a 7902/7982 control box?
Resolution:
The sequence card part number is 3426 and plugs in the "S" slot of a control boxes right next to the 10 pin terminal strip. The 7902/7902ES or 7982/7982ES can be converted to a 7902S/7902SES or 79...: