– Suitable for maximum 1.000mm
wide door leaft of single direction
opening door, the maximum door
weight is 65 kg ( DC/ONS 870 FR )
& 120 kg ( DC/ONS 880 FR )
– Precisely sealed, preventing oil leakage
– High quality die-casting aluminium
alloy, protected with two-layer
bright paint.
– Two hydraulic press valves
controlling two stage door closing
speed automatically, 180 degress
fully hydraulic control, and hold
open at 90 degrees
– 75 minutes fire rated, UL approved