assaabloy.com 71 Door controls Concealed Cam-Motion® DC840 Concealed door control with Cam-Motion® technology and small standard concealed guide rail G892. Features and benefits Ideal for applications where aesthetics are paramount Concealed installation helps prevent unauthorised adjustment or tampering of the door control High efficiency cam action mechanism for ease of opening, assisting the overall doorset in meeting the requirements of BS 8300 Mechanical hold open accessory available for use on non-fire doors only Testing and certification UKCA / CE marked Yes Certified in compliance with EN 1154, BS 8300 Suitable for fire doors Timber FD30/FD60, metal FD60/FD90/FD120/FD240. Intumescent protectionmust be used. Certifire approval No Guarantee 10 years How to order Order code Description Finish DC840A Adjustable concealed closer 2-4 with guide rail SIL Closing force EN 1-4 Mechanism Cam action Closing speed Variable between 120°-7° Latching speed Variable between 7°-0° Backcheck Variable above 75° Delayed action N/A Door width up to 1100mm Maximum door weight 80kg Height adjustable arm system 14mm Hold open mode Hold-open accessory available (A156) Maximum opening angle 120° (hinge side) / <120° (non-hinge side) Mounting method Concealed (40mmminimum leaf) Handing Non-handed Dimensions (H x D x W) 45 x 32 x 278mm Finish SIL Accessories See door controls accessory section for items such as mechanical hold open device, opening damper and additional fire protection and intumescent kit Specification 3 8 1 1 3 (3/4) (8) (1-7) (0/1) (1) (0-4) 4 1 EN 1154:1996+A1:2002 Classification code 338 45 440 9 12(21.5) 278 474 3 20 (31) 66 (75.5) 32 DC840 10 Dimensions
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