D459 - D459 escape sash lock for fire doors

Application

Escape sash locks are suitable for perimeter doors where single action escape is needed, but a high level of security is also required. Incorporates feature to prevent the door being left unlatched, making them ideal for fire doors.

Available with single cylinder and thumbturn. Uses Euro profile cylinders.

Supplied as standard with striking plate. Both square and round faceplates are available.

Key can be removed in locked or unlocked position.

Split follower lock: incorporates different and separate functions on either side of the door.

For finishes, handing and dimensions see Lockcases Information appendix.

When ordering please specify door thickness.

 

Specification

 Double-throw stainless steel deadbolt thrown up to 20mm by two 360° turns of key or thumbturn.

The deadbolt cannot be thrown when the door is in the open position, ensuring that the door will always latch properly.

Split follower lock; requires lever furniture with split spindles.

Both latchbolt and escape follower are reversible without opening lockcase.

Available with 60mm backset.

Exterior [PROD3] Interior

Key operates deadbolt when door is closed.

Lever handle retracts latchbolt only.

Turn operates deadbolt and latchbolt when door is closed.

Lever handle retracts both bolts.

 

Finish

Product has been successfully type-tested for conformity to BS EN 12209.
Regular audit testing is undertaken.
Product has also been successfully type-tested for conformity to BS EN 179 in conjunction with an ASSA Aluminium 1325 lever handle. Regular audit testing is undertaken. Classification: 3 7 6 B 1 4 4 2 A B/D.

Standards

Ordering Options
10440210131
D459 ESC SASH 60MM SQU 24MM F/P *TEC PG*
10440110131
D459 ESC SASH 60MM RND 20MM F/P *TEC PG*