Deadlatch Mortise Lock - 451 Series
A reverse turn of the key, while the bolt is retracted, retains the bolt for two-way traffic.
Offers flexibility of traffic control for buildings that require free entrance during specific times and exit only at other times. Interchangeable with the 185 Series Deadbolts.
Product Details
Features
Steel case with corrosion resistant plating
Zinc latch with Delrin insert for quiet operation
Auxiliary latchbolt feature prevents “loiding” or jimmying the latch
Accepts standard 1-5⁄32” (29.36 mm) diameter mortise cylinder
Supplied pre-handed, but field reversible
Aluminum faceplate measures 1”x 6-7⁄8” (25.4 mm x 174.63 mm)
Available with two faceplates or individually packaged without faceplates
Strike sets include dust box and mounting plates
Cycle testing exceeds ANSI Grade 1 standards
Component
technical _data
Backsets:
31⁄32” (24.59 mm), 1-1⁄8” (28.58 mm), 1-1⁄2 “ (38.1 mm)
Latchbolt:
5⁄8”W x 1-1⁄2”L (15.88 mm x 38.1 mm), field reversible handing
Case:
Steel with corrosion resistant plating. Depth varies by backset
