Views:0 Author:Site Editor Publish Time: 2021-11-10 Origin:Site
The European standard manhole cover is made of light aluminum alloy material, which is integrally formed by low-pressure die-casting. It is light and strong while ensuring the hardness, which can effectively improve the carrying capacity of the tanker.
The European standard manhole cover aluminum alloy material has been treated with a special process, and has good corrosion resistance and wear resistance.
The European standard manhole cover has a built-in breathing valve, which meets the requirements of GB/T18564-2018 to set different pressures.
The European standard manhole cover has a displacement of more than 7000m³/h at high temperatures to prevent explosion.