Overhead Concealed door closers are used to provide a more aesthetic look to the opening.
Concealed in either the frame or the door
Offer the ability to be adjusted to maintain...
Hold Open Closers & Magnets (Fire/Life safety products) provide a wide range of solutions. Single or multi-point hold open closers
Utilize an electromechanical closer.
Hold the door o...
The 4011 can only mount on the Pull Side of the door and the 4111 can only mount on the Push Side of the door.
Differences - The 4011 and the 4111 cylinders are different and the pinion shafts are...