Applicable for aluminum door, also iron door, wooden door, etc. With auto-stop fitting inside.
Whole hydraulic pressure in door, two sections speed control of closing door, the regulating position is 90° -20° And 20° -0° .
Install the main body of closer into the top of frame and the arm into the door head, connect both to ease door open/close.
Install a simple bearing pivot on the floor that should be checked in advance that the sizes of top frame are large enough to hold the door closer body.