Catalog

Technical Attributes
Floor spring with fixed closing force for thin slabs
Certified in accordance with EN 1154, size 2/3/4, cycle test over
1,000,000 cycles
Suitable for fire and smoke protection doors
For double and single doors up to 100kg and 1100mm wide
Hydraulic control over 175° in both swing directions
Adjustable door speed and latching speed from top regulating
valves
Available with hold-opening angle 90°

DC420HO (90° hold-open)
DC420DA (double action)
DC420DAHO (double action with 90° hold-open