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QL-094 hydraulic door closer
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Model:
QL-094
Brand name:
QIANGLANG
Suitable for door heavy:
65-85KG
Shi he men kuan:
800*2300MM
Closed speed:
Two-stage speed adjustment
Applicable range:
Wooden door/hotel door
Bearing heavy:
65-85kg
Size:
188*19mm
Door leaf maximum opening:
180度
Surface treatment:
spray paint
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Door closer: the invisible guard that protects the door

In the world of building hardware, door closers are often overlooked yet crucial. Like an invisible guardian, they silently protect the door from opening and closing, ensuring safety and enhancing the user experience. Below, we'll delve into the advantages of these door closers.


In terms of design, this door closer features a simple silver metallic finish, with sleek lines and a compact structure. The main body is sturdy and durable, constructed from high-quality metal materials to withstand the pressure of long-term use and resist deformation and damage. The meticulously crafted joints between components such as the connecting rod and rocker arm ensure smooth operation during door opening and closing, laying the foundation for stable performance. This simple yet sophisticated appearance not only complements various door styles and architectural décor, but also showcases the fusion of industrial design aesthetics and practicality.


This door closer excels in core performance. It utilizes advanced hydraulic transmission technology. When the door is pushed open, the internal hydraulic system cleverly stores energy; when the push is released, the hydraulic system precisely releases the energy, causing the door to close slowly and smoothly. This hydraulic control mechanism allows for precise adjustment of both the speed and force of the door closing. On the one hand, it ensures the door ultimately closes reliably, effectively isolating it from external noise and drafts, maintaining a quiet and comfortable indoor environment. For example, in an office, this reduces disruption to others' work caused by people entering and exiting; in a home, it also better protects privacy. On the other hand, it avoids the violent impact caused by closing the door too quickly, significantly reducing wear on components such as the door body, door frame, and door lock, significantly extending the door's service life and reducing subsequent repair and replacement costs.


Safety is a crucial function of door closers, and this product excels in this regard. In public buildings like shopping malls, hospitals, and schools, in the event of an emergency, such as a fire, door closers can automatically close fire doors, preventing the spread of fire and smoke, buying valuable time for evacuation and facilitating fire rescue efforts. For families, it prevents doors from being blown open in windy conditions or other unexpected situations, ensuring safety and privacy within the home and giving residents a sense of security.


Convenience and comfort are also key features of this door closer. When people are holding objects or have limited mobility, the door closer automatically closes the door without the effort of manually closing it, significantly enhancing the user experience. Furthermore, it keeps the door properly closed at all times, helping to maintain indoor temperature and humidity. For example, in air-conditioned rooms, the door closer prevents air from escaping, saving energy. In a quiet study, it effectively blocks outside noise, creating a more pleasant environment.


With the advancement of technology, door closers are constantly being upgraded, and this product also features a degree of adaptability and adjustability. It can adjust parameters such as closing speed and force to suit different door weights, sizes, and usage scenarios, for optimal performance. Whether installed on heavy solid wood doors or lighter composite doors, this product can be adjusted to ensure smooth and stable door opening and closing, meeting diverse needs.


Of course, maintaining a door closer's performance requires proper maintenance, but this model is also relatively easy to maintain. During daily use, you only need to regularly check the hydraulic system for leaks, check for loose connections, and ensure lubrication is in place. This simple maintenance procedure will keep it in top working condition and further extend its service life.


In summary, this door closer has become an indispensable "invisible guard" at the door due to its many advantages, including sturdy and durable appearance design, precise and stable hydraulic performance, reliable safety protection, convenient and comfortable user experience, good adaptability and maintainability. It plays an important role in building life and safeguards people's safety and convenience.


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