Dortec DT-73 SILVER is a universal closer with a typical sliding pull lever, which is installed on top of the door leaf on the left or right. This type of installation allows almost not to disturb the design due to the accuracy of the work. The closer is manufactured from an aluminum profile or by casting from an aluminum alloy and covered with powder paint, and the removable cover made of stainless steel will protect it from external influences.
Depending on the width and weight of the door, the closer must apply an increased force to close the door, overcoming the force of inertia, air resistance or friction in the hinges. Therefore, this model has at its disposal an opening force of 25-60 kgf with a cycle life of 1 million. The rapidity and strengthening of the door closing is adjustable. Doklap allows you to determine the acceptable speed of the door within 15-20 ° of smooth final closing, overcoming the influence of external factors.
The device is additionally equipped with a lock in the open position with a variable angle of up to 90 °. Operating temperature from -40°C to +55°C allows the door closer to be used indoors and outdoors.