The Lockwood Rack & Pinion Slide Arm Series provides for a cleaner, more aesthetic appearance on the door whilst utilising the same robust features and benefits of Rack and Pinion functionality.
|Power||EN adjustable 2 to 4.|
|Back check (BC)||Adjustable.|
|Hold Open||Adjustable. Hold-open can be set at any angle up to 130° of opening.|
Suitable for left or right hand doors.
|Materials||Extruded aluminium body manufactured from high-performance silicon alloy.|
|Mechanism||Rack and pinion design.|
|Mounting||Regular and over-door mounting.|
|Valves||Adjustable closing and latching speed valves with overload protection.|
Standards and Compliance
The Lockwood 724SR series closer has been successfully tested upto four hours (depending on type of doorset) on fire door assemblies in accordance with Australian Standard AS1905.1:2005, Part: Fire Resistant Door sets.
Note: Hold open option is not approved on any fire door.