DC475 ASSA ABLOY DC475: Floor spring with adjustable closing force for large and very heavy doors In compliance with EN1154 size EN3-6 1,000,000 cycles tested Suitable for fire and smoke protection doors For single and double action door up to 300kg Characteristics of DC475: Closing from 175° in both door swing directions with hydraulic control from 175° 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 orSatin Satinless Steel and Polished Brass Interchangeable spindle from 0 to 30mm Available without hold-open or with hold-openangle 90° and 105° Speed adjustment: variable closing speed 175° - 15° variable latching speed 15° - 0° Technical Details Adjustable closing force EN3-6 Door width up to 1400mm Door weight up to 300 kg Max. opening angle 175° Closing speed Variable between 175°-15° Latching speed Variable between15°- 0° Back-check Mechanical Weight 7.3kg Height 82mm Length 345mm Width 78mm Body adjustment within cement box Vertical 9mm, side 6mm, front 5mm, angular 2° DIN-direction Left/Right-handed doors or double action Hold-open mode 90°/105°/Non hold-open In compliance with EN1154 CE Marking for building products Yes Fire and smoke protection Yes Close AF603Floor Spring with Cam Motion® technology and fixed closin… AF604 DC477Floor Spring with Cam Motion® technology and adjustable c…