Fire Door Closers Adjustment

Almost all door closers will have the above two adjustment hydraulic valves but some have additional features which can be adjusted similarly.

Fire door closers adjustment.

Clockwise gives the closer more closing power which also makes the door harder to open and turning the screw counter clockwise will give the door less closing strength and makes the door easier to open. View a wide variety of door closers in different sizes available at toolstation including door closers that are suitable for inward and outward doors and have closing and opening speed adjustment. Item 1428875 model tc205 bc du. Fire life safety.

Door closers consist of a pneumatic cylinder which controls the speed of the door and a bracket which holds the cylinder to the door. The back check valve if featured will usually be set apart from the first two discussed and may be marked with a b or bc. Global door controls grade 1 duranodic commercial door closer. Look at the end of the cylinder closest to the bracket with the door closed to see the adjustment screw.

We installed a commercial door closer for our office in a previous video and in this video we wanted to show two diff. Door closers are essential for fire safety preventing doors banging reducing energy bills and protecting your door. Other door closer adjustments. Spring adjustment is located on the end of the spring tube 5 32 allen wrench.

Features broad portfolio with single point multi point and tri volt magnet offerings. Incorporate trusted lcn design elements such as the 4000 series cylinder. It is used to adjust the spring strength force to close the door. Hold open solutions for fire rated doors.

How to adjust a commercial door closer.