Dorma type door closer.
Dorma door closer 669g adjustment.
Adjust a little at a time try a 1 4 turn to start open the door between adjustments to check the difference.
There are two speed settings for the closing mechanism.
The sticker or stamping usually says listed door closer 669g.
You can make your door close faster or slower to ensure it latches properly without slamming shut.
Adjust in this order.
Surface applied and concealed closers create many design options.
For kawneer models with a single combination adjustment for sweep and latch.
Dormakaba s door closers are designed to meet the functional and visual goals of any commercial building.
Heavy duty surface applied door closer.
Dorma 8900 series door closer.
Dormakaba offers a wide range of door closers that provide safety and security.
Looking for dorma door closer 669g adjustment.
The number 669g we find on door closers is just a sticker or stamping we find on many of their closers.
However we find it on dorma door closers the most.
Its hydraulic control system features a full range spring power adjustment and backcheck along with a narrow projection.
This is the ul number which is a testing laboratory.
Applied to maximum width 950 2100mm single direction open door door weight is 40 65kg with two speed adjustment.
To adjust a typical closer.
After installation your dorma door closer will need to be adjusted to suit the weight of your door and the needs of the users.
Tighten clockwise the valve to decrease the speed closing speed valve the valve that controls the speed of closing from about 75 to 15 degrees some times marked c or 1 latching speed valve the valve that controls the speed of the last 15 degrees some times marked l or 2 back check valve the valve that controls the amount of resistance the closer has if.
The 8900 door closer series designed to provide a highly flexible door control system suitable for institutional or high traffic commercial applications.
