the lockwood 724 series slide arm closer has been successfully tested up to four hours (depending on type of doorset) on fire door assemblies in accordance with australian standard AS1905.1:2005, part: fire resistant door sets.
power- EN adjustable 2 to 4.
back check (BC)- adjustable.
hold open- adjustable. Hold-open can be set at any angle up to 150° of opening.
handing- non-handed. Suitable for left or right hand doors.
cover- clip-on.
materials- extruded aluminium body manufactured from high-performance silicon alloy.
mechanism- rack and pinion design.
mounting- regular, parallel and over-door mounting.
valves- adjustable closing and latching speed valves with overload protection.