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Home >> Learn About Double Spring Door Closers
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Learn About Double Spring Door Closers
Source: | Author:Guangzhou Teboneng door control Co.,Ltd | Published time: 2020-11-20 | 360 Views | Share:
Door closer introduction:
The double spring door closer is a spring-like hydraulic device on the door. When the door is opened, it can be released by compression, and the door is automatically closed. It has the function of a spring door to ensure accurate and timely closing of the door after it is opened. initial position. Door closer application:
Double spring door closers are mainly used in commercial and public buildings, but they are also used at home. They have many uses, the main use of which is to close the door itself to limit the spread of fire and ventilation in the building. The significance of the door closer is not only the automatic closing of the door, but also the protection of the door frame and the door body (smooth closing). More importantly, the door closer has become an indispensable part of the intelligent management of modern buildings.

Double spring door closer remarkable characteristics
1. Set the speed of the closed door with independent adjustment of two excellent sections. By adjusting two independent valves and making full hydraulic control of 180o, the better valve speed can be obtained and the safety lock can be ensured.
2.Special torque design, the door closer adopts imported spring, imported high temperature, anti-freeze and wear-resistant oil, which reduces the opening force, making the use easier and smoother;
3. Double-strength door closer high-strength leakage-proof structure prevents damage or oil leakage caused by closed doors under strong external pressure or strong wind, and has a long service life;
4. Double spring door closer adopts die-casting aluminum alloy body, protected by three layers of bright lacquer to prevent oxidation;
5. Independent carving technology, eliminating the extensive casting.
6. Dynamic function (90o positioning) and (180o no positioning).