Copright international door closers inc www intdoorosers o internationa door cosers in.
Overhead concealed door closer adjustment.
The spring force by one size turn the adjustment screw four 4 turns clockwise.
Jackson overhead concealed door closer for butt hinge door.
It can be easily installed in wood aluminum or hollow metal doors and frames for single and double acting doors.
300 series features compliance standards optional adjustable spring power overhead concealed closer built in positive back stop and hold open positions available.
In situations where a closer is needed but concealment in the frame header is required or desired the norton 7900 closer is the ideal solution for door control.
In the majority of installations these concealed closers are used on aluminum glazed storefront doors hollow metal stand alone or structural framed window systems.
105 back stop with hold open 105 back stop no hold open.
The overhead or floor mounted concealed door closer is a very common type of door closer mechanism which is normally unseen and unnoticed.
Adjustable ohc s are also available.
17 jackson overhead concealed door closer for offset pivot door 105º swing.
Overhead concealed closers provide an aesthetically appealing way to close a door.