1760 double nightlatch without lock-back - 1760 double nightlatch without lock-back
Application
Locks for classroom doors, offices, industrial premises,
apartments, etc.
Available with single cylinder and thumbturn, or alternatively
with double cylinders or single cylinder only.
Supplied as standard with striking plate. Cylinder and
accessories bolt through lockcase for added strength.
Key can only be removed in locked (or locked-back) position.
Bolts reversible without opening lockcase.
For finishes and dimensions see Lockcases Information
appendix.
When ordering please specify door thickness.
Specification
Upper bolt deadlocks automatically when door is closed. No
locking of upper bolt into lockcase. Lower bolt operated by lever
handle. Available with either 50mm or 70mm backset.
| Exterior |
[PROD3] |
Interior |
|
Upper latchbolt automatically deadlocked. Key retracts both
latchbolts. Lever handle retracts lower latchbolt.
|
Turn retracts both latchbolts. Lever handle retracts lower
latchbolt.
No lock-back. |
Finish
Product has been successfully type-tested for conformity to BS
EN 12209.
Regular audit testing is undertaken.
Standards
Intumescent kit ASSA-MODULAR-IK suitable for 30 and 60
minute timber fire doors are available to order as a separate
item