DC 475 – Floor spring with Cam-Motion® technology Description Floor spring with adjustable closing force for large and very heavy doors Certified in compliance with EN 1154, size 3-6 Suitable for fire and smoke protection doors For double and single action door up to 300kg Characteristics Hydraulic control over 175⁰ in both door swing directions Two thermodynamic valves for consistent performance Adjustable door speed and latching speed from top regulating valves Adjustments in all directions within the cement box Available with hold-opening angle 90⁰, 105⁰ and without hold-open Finish Cover plates and eyelets polished stainless steel Downloads DC475.pdf (.pdf, 284 kB) DC475-tech.pdf (.pdf, 1.7 MB) Close Find out more about this product range: Contact Us You might also be interested in: DC 420 – Floor spring with Cam-Motion® technology DC 477 – Floor spring with Cam-Motion® technology