removable mullion kits

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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 KR54-F is used on electrified mullions (panic and fire) because it has a route for the wires.
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...
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.