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mortise lock dimensions
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How do I change the function of the Von Duprin 7500 mortise lock from Lever ( classroom ) to NL ( night latch )?
Resolution:
To convert the Von Duprin 9975L to 9975NL exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory): Turn the NL screw on 7500 mortise lock counter clo...:
How can the Von Duprin 98/9975-L with 996L classroom trim function be converted as a night latch function in field?
Resolution:
The following steps are required to convert the Von Duprin 98/9975L from classroom to night latch function: Order new 996L-NL-M trim and reset NL drive screw in mortise lockbody as se...:
What cylinder length do you use for escutcheon trim for the L series mortise lock?
Resolution:
Typically for a 1-3/4" door you would use a 1-1/4" cylinder. Use the Table in the Pricebook for a reference:Note: The 30-001 used with Rose trim on double cylinder applications requires a Blo...: