what does an optional pull housing look like

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NLOP means Night latch optional pull (night latch cylinder assembly with pull by others).
Astragals are required on: 3 hour fire rated pairs: Double doors - swinging in the same direction Double Egress - swinging in opposite directions Fire rated Dutch Doors Fire rated 1 3/4" t...
The housing and linkage is what sits underneath the inside escutcheon plate and can be seen in this exploded view.  The linkage is what gives the H lock simultaneous retraction.  It allows the dead...
ISSUE: After some use the plug will begin to project from the cylinder face and will ultimately pull completely out. ROOT CAUSE: In a dogged application the cam was rotated 180 degrees which ...
Double Egress Opening: A pair of swinging doors, each leaf which swings in the opposite direction of the other. DOORS: A pair of doors swinging in opposite directions without a vertical mullion....