DC477 - Floor Spring Description: Floor spring with adjustable closing force for large and heavy doors In compliance with EN1154, size EN2-4 1,000,000 cycles tested Suitable for fire and smoke protection doors For single and double action doors up to 170kg 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 through top regulating valves Back-check Cast Iron body Adjustments in all directions within the cement box Cement box is hot zinc plated Cover plates and eyelets made in polished or Satin Stainless Steel and Polished Brass Interchangeable spindle from 0 to 30mm Available without hold-open or with hold-open angle 90°, 105° Specifications: ASSA ABLOY Floor spring DC477 featuring Cam-Motion® technology is in compliance with EN1154 Closing power size EN2-4 for doors up to 1100mm wide 1,000,000 cycles tested Closing speed, latching speed adjustable through regulating valves CE approved 9mm height adjustable within cement box Suitable for left/right handed double action doors Finishes: Polished Stainless Steel Satin Stainless Steel Polished Brass Accessories: AC115 - Reversible bottom arm Italian spindle AC393 - Reversible bottom arm German spindle AC8 - Double action top pivot AC375 - Double action top pivot AC583 - Right and left bottom arm. Socket for Italian square spindle. AC392 - Right & left bottom arm. Socket for German rectangular spindle. AC384 - Top pivot for left or right doors AC612 - Sealing Compound for floor springs AC537 - Cover plate for DC477 AC534 - Cover plate for DC477 Technical Details Technical Details Adjustable closing force EN2-4 Door width up to 1100mm Door weight up to 170 kg Max. opening angle 175° (Max. 150° in case of no hold-open) Closing speed Variable between 150°-15° Latching speed Variable between 15°- 0° Back-check Mechanical Weight 5.4kg Height 70mm Length 277mm Width 110mm Body adjustment within cement box Vertical 9mm, side 4mm, front 10mm, angular 4° DIN-direction Left/Right handed double-action doors Hold-open mode 90°/105°/Non hold-open In compliance with EN1154 CE Marking for building products Yes Fire and smoke protection Yes Close Ordering Code Ordering Code Description Order no Floorspring size EN 2-4 without Hold Open DC477-NHO Floorspring size EN 2-4 with Hold Open at 90° DC477-90 Floorspring size EN 2-4 with Hold Open at 105° DC477-105 Cover Plate for DC477 SSS CP543-SSS Cover Plate for DC477 PSS CP543-PSS Cover Plate for DC477 PB CP543-PBR Reversible Botton Arm for double action door. German Spindle AC393 Double Action Top Pivot AC8 Double Action Top Pivot AC375 Right & Left bottom arm. Rectangular German Socket AC392 Double Action Top Pivot AC384 Detachable German Spindle h=0mm AC360 Sealing Compound for floorsprings AC612 Close Contact Us DC475 - Floor Spring Floor Spring with Cam-Motion® technology and adjustable c… DC450 - Floor Spring Floor Spring with Cam-Motion® technology and fixed closin… DC430U - Floor Spring Floor Spring with Cam-Motion® technology and fixed closin…