FAQs

Question
Answer
EL: Electrically Locked (Fail Safe), locks when power is supplied and is unlocked when there is no power. EU: Electrically Unlocked (Fail Secure), unlocks when power is supplied and is locked when...
Falcon released a new 10 year warranty for its portfolio of locks.  The new warranty is in affect for all locks purchased since November 1st, 2008.  The only exception is t...
4754, 4854 and the 9854 are electrified mullions and handed as noted below: 4754 is not handed: Prepared for two 4263 monitor strikes. Use with all Von Duprin rim panic devices 4854 is han...
Key removable option is not available for any of Von Duprin aluminum mullions.
The KR4023 mullion requires a 1-1/4" mortise cylinder with straight cam. This is stated in box 7 on the first page of the KR4023 mullion instructions.
Von Duprin KR (key removable) mullions requires a 1-1/8" or 1-1/4" mortise cylinder with the standard straight cam, the cam is not inverted. Please see chart below for part numbers. 
instructions
The Von Duprin 4754, 4854, 9954, and 9854 mullions can be converted or ordered with key removable option. KR54-F kit is the conversion kit to convert the above mullions to key removable mullion.
The Von Duprin electrified steel mullions, 4854 and 9854 come with a quick connector that connects the electric strike wires from the mullion to the frame through the top fitting.  ...
TSF, closed section; Hardware Mullion
A PBKIT is a Pushbar Retrofit Kit.The pushbar retrofit kits are not the same for 33A/35A and 98/99 series exit devices.  Depending on the finish of the exit device, the pushbar end caps are di...