DC450 - Floor Spring Description: Floor spring with fixed closing force for very thin slabs In compliance with EN1154, size EN3/EN4 Suitable for fire and smoke protection doors For single and double-action doors up to 120kg Characteristics: Same dimensions for two bodies according to fix size EN3/EN4 Hydraulic control over 130° in both door swing directions Adjustable door speed and latching speed through top regulating valves Cast Iron body Adjustments in all directions within the cement box Cement box is hot zinc plated and only 40mm high Cover plates and eyelets are made in Polished or Satin Stainless Steel Interchangeable spindle from 0 to 30mm Available without hold-open or with hold-open angle 90°, 105° Specifications: ASSA ABLOY Floor spring DC450 featuring Cam-Motion® technology is in compliance with EN1154. Closing power size EN3/4 for doors up to 120 kg and 1100mm wide Closing speed, latching speed adjustable through top regulating valves 40mm high cement box Suitable for left/right handed and double-action doors Finishes: Polished Stainless SteelS Satin Stainless Steel 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 squared 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 AC616 - Cover plate view more Technical Details Adjustable closing force EN3/EN4 Door width up to 950mm/1100mm Door weight up to 120 kg Max. opening angle 130° Closing speed Variable between 130°-15° Latching speed Variable between 15°- 0° Back-check No Weight 3.8kg Height 40mm Length 277mm Width 108mm Body adjustment within cement box Vertical 2mm, side 6mm, front 7mm, angular 4° DIN-direction Left/Right handed or double-action Hold-open mode 90°/105°/Non hold-open In compliance with EN1154 Close Contact Us DC475 - Floor Spring Floor Spring with Cam-Motion® technology and adjustable c… DC477 - Floor Spring Floor Spring with Cam-Motion® technology and adjustable c… DC430U - Floor Spring Floor Spring with Cam-Motion® technology and fixed closin…