assaabloy.com 109 DC477 Adjustable power size 2-4 floor spring with Cam-Motion® technology and adjustable closing force for heavy doors. Features and benefits Ideal for residential interiors due to its adjustable opening and closing force Uses Cam-Motion® technology for easier door opening and improved accessibility Backcheck feature offers optimum protection for doors and walls Testing and certification UKCA / CE marked Yes Certified in compliance with EN 1154, BS 8300 Suitable for fire doors Metal FD30 (non hold-open variant only) Certifire approval No Guarantee 10 years Closing force EN 2-4 Mechanism Cam action Closing speed Variable between 150°- 15° Latching speed Variable between 15° - 0° Backcheck Mechanical Delayed action No Door width up to 1100mm Maximum door weight 170kg Height adjustable cement box Yes all directions Hold-open / Non- hold-open model Hold-open model – 90° / 105° Non hold-open model – none NB Hold-open model not suitable for use on fire doors Maximum opening angle 170° (hinge side) Cement box Hot zinc plated / height = 40mm Body adjustment within cement box Vertical = 9mm; side = 4mm; front = 10mm; angular = 4° Required floor depth 70mm Handing Non-handed Dimensions (H x D x W) 70 x 110 x 277mm Finish See door controls accessory section for finish choice Accessories See door controls accessory section for items such as cover plates, double action fittings and alternative height spindles Specification Door controls Floor springs How to order Order code Description Finish DC477 Hold-open floor spring EN2-4 (mechanism and floor box only) N/A DC477/NHO Non hold-open floor spring EN2-4 (mechanism and floor box only) N/A Select required cover plate and spindles etc from door controls accessory section Dimensions 70 130 92 110 14.5 1 49-59 107 277 294 261 DC477 70 130 92 110 14.5 1 49-59 107 277 294 261 DC477 3 8 0 1 4 (3/4) (8) (1-7) (0/1) (1) (0-4) 4 2 EN 1154:1996/A1:2002/AC:2006 Hold-open 3 8 1 1 4 (3/4) (8) (1-7) (0/1) (1) (0-4) 4 2 EN 1154:1996+A1:2002 Non hold-open Classification code 10
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