Hydraulic Door Closer with Adjusting Power Size Back Check Delay Action

الوصف

Professional provider of door closers

1.This door closer for steel door or wooden door, from *5kgs to *5kgs.
2.It mostly used on the fire rated door, commercial door, residential door

Product Features
 
1 Precise aluminum die-cast body with steel arm against rust
2 Heat treated steel piston and pinion for high strength
3 All season fluid eliminates the need for seasonal adjustment,working temperature from **8 to **0 degree
4 Needle bearing application for smooth and high efficient operations.
5 Universal application for 3 installation types:Standard,Top jamb and Parallel.Also can be used on both RH and LH doors for both push side and pull side mounting.  

Product Function
 
Close and Latch
It's the primary functions for a door closer.Users can adjust the screws on the closer body to increase or reduce the speed when the door closes or latches.

Back Check
Provides a cushioning effect when the door is forcibly opened.It acts on the door is opened over *5 degree to avoid the damage to the door and other accessories.It mostly be used on the fire rated door,home entrance door and room wooden door.
 
Power Adjustable
Users can adjust the corresponded screw to change the power size of the door closer to meet the different door weight.
 
Delay  Action
 
It effects when closing from **0 to *5 degree to provide ample time for easy and unimpeded passage through a doorway. Sush as the disabled,elderly or small children. It mostly be used in the hospital ,hotel ,school and senior home.