concealed door closer

door width :1000mm; Door weight:40-65kg; 2.0°-180° full hydraulic control,two section of closing speed control,closing door section 180°-20°, closing lock section 20°-0°. 3.Constant temperature fitting,keep steady closing speed on the change of difference in temperature.

4.Built-in reductor can prevent door from damage in case of exterior pressure or strong wind. quality die-cast body,safe and durable ,proteced by three layers bright paint from oxidation. 6.Auto-fitting,suitable for left-hand or right-hand door. 7.Surface color:silver,gold,black,or customer-made