von duprin top fitting

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The part number for a Von Duprin 4954 mullion bottom fitting is #050390.
For night latch function with pull by others, the 98/99 series mortise exit device should be ordered as NL less trim, e.g., 9875NL-L/TRIM.  We will furnish a device only, and the mortise cyl...
There are a number of reasons the Von Duprin 55 or 88 series cross bar may not operate properly: The hinge case spring lifts both lever arms and the crossbar. To check spring, pu...
The 4600 Series operator has both a 12VDC and 24VDC output rated at 1A (combined load) to power strikes, maglocks, and other devices, but an EL device "always" has to have a separate PS914-2RS Seri...
Von Duprin 98/99 NL drive screw is located in back of the 98/99 center case assembly. NL drive screw should be left in with trim lock slide plate in up position in the 98/99 exit device with E99...