Lockwood 724 Series Door Closer A range of adjustable power door closer units suitable for architectural and commercial applications.Short arm to suit 400 mm width door is also available (SP7724-130SIL) Specification 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. Standards and Compliance The Lockwood 724 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. Close Downloads 724 Parallel Arm Mounting Template LH RH.pdf (.pdf, 458 kB) 724 Standard Arm Mounting Template LH RH.pdf (.pdf, 620 kB) 7726-7714 Parallel Arm Drop Plate Mounting Template.pdf (.pdf, 130 kB) Lockwood Surface Mounted Door Closers Catalogue.pdf (.pdf, 5 MB) Close Where to buy? Find your local Lockwood stockist. Lockwood 726 Series Door CloserEN power adjustable 2 to 6 Lockwood 724SR Series Slide Arm Door CloserEN power adjustable 2 to 4. Lockwood 2024 Series Door CloserEN power selectable 2 to 4.