Dorma Floor Spring Adjustment

The closer s compact body permits its use where a larger closer would be prohibitive.
Dorma floor spring adjustment. Dorma bts 65 floor spring spring strength size en 3 en 4 standard and1 1950 mm 2 external doors1 2 1100 mm 2 max. Versatility allows installation in thin slab concrete subfloor construction. Dorma bts 75v 80f 80emb and 80flb floor springs and accessories 1. Certified manufacture to iso 9001.
Dorma bts80 b installation instructions created date. The dorma bts 75 v is a highly adaptable floor spring suitable for all standard single and double action doors with widths up to 1100 mm with its closing force individually regulated by means of an adjustment screw. Dorma bts 75 v floor spring universal floor spring. I top centre 8066 7411 6150 and k56f ii dorma bottom strap 7421 iii offset bottom straps 4150 7411 56 2.
The bts80 series of floor concealed door closers offer adaptability to almost any installation. Door weight in kg 100 100 closing speed variable by valve adjustment 22 backcheck delayed action hold open point 90 weight in kg approx. This floor spring is enhanced by it s adjustable closing force of en 1 4 individually regulated by means of an adjustment bolt. Whether standard narrow or wide whether lh rh or single or double action the.
Bts 75v 80f 80emb and 80flb floor springs is are adjustable floor mounted closing devices which may be used with the following accessories. The dorma bts 75 v is a highly adaptable floor spring suitable for all standard single and double action doors with widths up to 1100 mm and 120kg door weight. One that regulates the speed from the open position and another. Certified manufacture to iso 9001.
There are two speed settings for the closing mechanism. After installation your dorma door closer will need to be adjusted to suit the weight of your door and the needs of the users.