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.

PowerEN adjustable2 to 4.
Back check (BC)Adjustable.
Hold OpenAdjustable. Hold-open can be set at any angle up to 130° of opening.
Suitable for left or right hand doors.
MaterialsExtruded aluminium body manufactured from high-performance silicon alloy.
MechanismRack and pinion design.
MountingRegular and over-door mounting.
ValvesAdjustable 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.
Disabled Access Australian Standard (AS1428.1) Design for access and mobility.


Black, Silver