The Cisa C1415 multi strength door closer features a corrosion resistant steel arm and no hold open mechanism and is power adjustable for fire doors with a maximum weight of between 40 and 80kg. It is factory supplied at size 3 but can be adjusted by moving the mounting position of the arm.

The Smart Plus door closers have an aluminium alloy one piece body with a shock proof plastic all-over cover. They have a corrosion resistant steel arm and a special high tensile steel spring immersed in a high grade oil bath. In addition, they have an adjusting valve complete with a thermostatic device.