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Compared to residential buildings high<br />
usage doors are principally subject<br />
to considerably higher stresses due<br />
to heavier doors and frequent use.<br />
<strong>The</strong>refore, the locks are to be designed<br />
appropriately. <strong>The</strong>se locks are equipped<br />
with a race-based clamping follower. <strong>The</strong><br />
all-around closed and galvanized case is<br />
screwed with several locking teeth.<br />
You find the description of the individual<br />
high usage locks and their option on the<br />
corresponding catalogue pages.<br />
Moreover, the locks of the ET 55 line<br />
are equipped with appropriate mortice<br />
plates and thus designed for burglar<br />
proof doors according to DIN EN 1627<br />
Resistance Class 2.<br />
F1 = door handle depressed<br />
F2 = door handle returned<br />
F3 = latch side load<br />
F4 = deadbolt site load<br />
F5 = deadbolt end load<br />
n = user frequency<br />
Mortice locks<br />
for high usage doors 1<br />
Product line 50 14<br />
Product line 51 15<br />
Product line 52 16<br />
Product line 53 17<br />
Product line 54 18<br />
Product line 55 19<br />
Product line 55 KF 20<br />
Product line 55RoF 21<br />
Product line 55 ET 22
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