They are used on fire doors to help prevent the spread of flames and smoke in the event of a fire.
Commercial door closer with hold open feature.
Once installed and as the door opens the forearm.
With a wide range of models and features yale has a door closer for any commercial application.
Yale door closers offer the perfect combination of reliability appearance and durability.
Norton door controls 1601h x 689 1600 series door closer cast aluminum body adjustable size 3 6 tri pack hold open aluminum finish 4 0 out of 5 stars 7 98 95 98.
Lcn 4040 door closer with hold open device.
The hold open position on a reg or eda hold open arm is set with the door to a few degrees shy of the desired hold open point.
5800 series cast iron door closers.
Door closers pull doors closed once they ve been opened and released.
This lcn closer is shipped standard with a regular arm and standard plastic cover.
Then push the door open the remaining 5 to place the door in the hold open position.
To properly set open the door 5 less then the desired hold open point and tighten down the large hold open nut on the arm.
Modern hold open arm assembly heavy duty automatic door closer sexy and slick commercial grade hydraulic operated for commercial use model di 500s 3 5 out of 5 stars 25 59 99 59.
3049ds features a heavy duty arm with an integrated parallel arm bracket which has a stop feature.
There is a t handle style hold open feature.
Hold open door closers.
Modern hold open arm assembly heavy duty automatic door closer sexy and slick commercial grade hydraulic operated for commercial use model di 500s norton door controls 8501h x 689 8500 series door closer cast aluminum body adjustable size 1 6 hold open arm with full cover tri styled pack aluminum finish.