The core advantage is made of 6061 aluminum alloy material, and the anodized surface treatment forms a dense anti-corrosion protective layer, which can be used stably in outdoor environments for more than 12 years. The self-weight is only 1/3 of that of steel covers, and no heavy equipment is required for installation and maintenance, and a single person can easily carry and install it. The grille structure with open design has an open area of about 50%, which has excellent ventilation performance and drainage efficiency, effectively reducing the temperature and humidity of underground spaces, avoiding water accumulation and moisture accumulation. The anodized layer thickness is no less than 10μm, passing 800 hours of salt spray test without rust, and it has good thermal conductivity, which can help underground pipe trenches dissipate the heat generated by equipment. The clip-on installation design supports rapid disassembly, facilitating later pipeline maintenance.
The standard size is 900mm (length) × 450mm (width) × 15mm (thickness), with a customizable size ranging from 400mm to 1200mm in length and 200mm to 600mm in width. The load rating is 80kN/m², which can withstand the traffic of non-motor vehicles and pedestrians. The grille strip width is 10mm, and the gap is 15mm, ensuring ventilation and drainage efficiency while preventing pedestrians' feet from sinking. The anodized layer thickness complies with AA10 grade, and the surface hardness reaches HV300, with good wear resistance. The installation clips are made of stainless steel, avoiding rust and difficult disassembly.
It is suitable for drainage and ventilation trenches in underground garages, power distribution rooms, communication equipment rooms and underground commercial streets. It can be used as a cover for underground spaces, ensuring smooth drainage while promoting air circulation and heat dissipation in underground spaces, reducing the operating temperature of equipment, and the lightweight design reduces the labor cost of installation and maintenance.
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