von duprin pneumatic latch retraction fail safe

RELATED FAQS

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Answer
Use a normally closed fire alarm as the input to the power supply option board (PS873-2 or PS914-2RS), this will hold the latch retracted.  During a fire alarm, the contact will open, dropping...
- AD Series and CO series products require that the Night Latch (NL) screw is installed in the exit device.  Be sure this screw is installed- Exit hardware and strike must be properly mounted ...
No, there is no "conversion" for this lock.   The Fail Safe or Fail Secure lock body must be ordered from the factory
The Von Duprin Pneumatic PN98/99 series exit devices feature provides remote latch bolt retraction in hazardous areas where electrically operated devices would not be permitted.
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...
This is not possible as an EL device is an electric latch retraction and requires power to unlock the door thus only available in Fail Secure.