The only doorcloser with two separate adjustable closing forces, dsigned for operating in combination with a smoke extraction system: Low closing force in normal use, but doubled closing force in case of fire for secure closing of the door even against 50 Pa pressure.
A For single wing doors from 0.6–1.4 m width
B double-doorcloser with standard arm
C max. opening angle = 135˚
D In normal use self closing / in case of fire self closing with double force
Brandfall mit verstärkter Kraft schliessend
E Power supply via door frame (24V DC)hinge-side or counter-hinge-side
F counter-hinge-side head installation