DC477

ASSA ABLOY DC477

Floor spring with adjustable closing force for large and heavy doors
Certified in compliance with EN 1154, size 2-4, cycle test over 1,000,000 cycles
Suitable for fire and smoke protection doors
For double action doors up to 170 kg

Characteristics

From 175° in both door swing directions with hydraulic control from 150°
Two thermodynamic valves for consistent performance
Adjustable door speed and latching speed from top regulating valves
Backcheck
Cast iron body
Adjustments in all directions within the cement box
Cement box in hot zinc plated
Cover plates and eyelets made in polished or satin stainless steel and polished brass
Interchangeable spindle from 0 to + 30 mm
Available without hold-open or with hold-open angle 90° and 105°