The offices, shopping centers, entrances install door closers with special design. These mechanisms protect against the ingress of moisture and dust in the room, save the heat due to the absence of drafts, provide full security in the use of heavy metal doors. When choosing door closer must take into account a number of technical parameters of the device and to define the trusted brand.
Guidelines for the purchase of the door closer
One of the main criteria - the installation location. Mechanisms are top overhead, floor and hidden. The first are the most popular. Overhead modifications are easy to use and install, ensure the smooth running of the web. Closers in St. Petersburg you can pick up in the company "TBM-Market" with free delivery to cities and regions in the order worth more than three thousand. The client can pick up the goods from St Petersburg ex.
Bought Closer must meet certain parameters of the web. Are seven classes of mechanisms which are suitable for door width from 750 to 1600 mm, weighing 20 to 160 kg. Picking closer, it is necessary to focus on the temperature range at which it will operate stably. Distinguish the following categories:
- standard - from -10 to +40 degrees;
- thermostable - from -35 to +70;
- Frost resistance - from -45 to +70.
Sensitivity to temperature changes depend on the composition of the oily liquid used in mechanisms. Door closers are selected in accordance with the direction of door opening. They are left, right, and universal.
Popular brands
Among the manufacturers of machinery for the door structures secrete known brands Dorma, Elementis, Geze. Closer MAXBAR 200 It refers to no less than popular brands. This model with arm intended for doors up to 100 kg and a width of 1250 mm. Installation Type - the top, the consignment note. Closer is a versatile, suitable for installation as the left or right. It has a wide operating temperature range and an attractive, aesthetic and sleek design. This model is sold with a certificate of European quality and is suitable even for installation in fire-resistant door design. Geze under the brand includes products with traction and without it, with adjustable closing speed and latching action, the possibility of mounting on smoke-tight door.
