The Cisa D1611 door closer size 5 features an arm with hold open functionality and is suitable for doors with a maximum weight of between 40 and 120kg. The back-check functionality protects the door, hardware and adjacent walls from damage when the door is flung open.

The Professional Plus series door closers have aluminium alloy monoblock body and a steel arm. They also feature a special high tensile spring in an oil bath and adjustment valves with a thermostat.