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“ von duprin pneumatic latch retraction fail safe ”

RELATED FAQS

Resolution: PN:

How do I wire an EL device to normally hold open the latch and release it during a fire alarm?

Resolution: 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...:

Why doesn't full rotation of the AD or CO Series Exit Trim (993) outside lever fully retract the Von Duprin 98/99 Exit Device latch?

Resolution: - 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 ...:

Can the Von Duprin E7500 Fail Safe lock be converted to Fail Secure?

Resolution: No, there is no "conversion" for this lock. The Fail Safe or Fail Secure lock body must be ordered from the factory:

Does Von Duprin have an exit device that is pneumatic?

Resolution: The Von Duprin Pneumatic or "PN" device does not have a specific listing or certification pertaining to hazardous locations.:

Can an EL device be ordered Fail Secure?

Resolution: 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.: