The Lockwood 2657 Heavy Duty Series is suitable for use on internal and external doors and is an ideal solution for extremely heavy doors.
Maximum door weight 160kg and door leaf width 1600mm with standard arm installation.
- Power EN adjustable 5 to 7
- Back check (BC) Adjustable
- Handing Non-handed.
- Suitable for left or right hand doors.
- Cover Fully formed metal
- Materials Die-cast aluminium body manufactured from high performance silicon alloy
- Mechanism Rack and pinion design
- Mounting Regular and over-door mounting
- Valves Two pressure relief valves are a standard feature to protect against abuse
- Operating Temp -35°C to +45°C
