DC477 ASSA ABLOY DC477: 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 of DC477: 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 with in the cement box Cement box is hot zinc plated Cover plates and eyelets made in polished or Satin Satinless Steel and Polished Brass Interchangeable spindle from 0 to 30mm Available without hold-open or with hold-openangle 90°, 105° Technical Details Adjustable closing force EN2-4 Door width up to 1100mm Door weight up to 170kg Max. opening angle 175° (Max. 150° in case of no hold-open) Closing speed Variable between 150°-15° Latching speed Variable between15°- 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 The advantages at a glance Customer segment Advantages Project planners Extensive range of uses: Fire and smoke protection doors as well asstandard doors- Hold-open at 90°,105° and non hold-open version- Variety of available spindles: squared Italian, rectangular German- Architectural finishes: Cover plates and eyelets in Polished SatinlessSteel, Satin Satinless Steel, Polished Brass Builders Universal for left/right handed and double-action door Overpressure relief valve to protect unit against abuse- Large range of adjustment within cement box to solve possiblealignment problems on the site without taking down the door Trade Reduced inventory costs due to modular product range- One single product suitable for a large variety of mounting positions Complementary accessories available for the whole product range User Ideal for residential interiors, thanks to adjustable opening/closingforce that makes opening/closing easy Adjustable operating force to meet door construction requirementsand user needs Back-check feature offers optimum protection for doors and walls Easier door opening and improved accessibility due to rapidlydecreasing opening force (Cam Motion ) Close AF604Floor Spring with Cam Motion® technology and adjustable c… DC475 Floor Spring with Cam Motion® technology and adjustable c… AF603Floor Spring with Cam Motion® technology and adjustable c…