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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°