The 70x70 manhole with bottom can be used in manholes and as a ventilation system. This concrete service manhole allows water to pass through.
Characteristics of the 70 x 70 service chests with bottom
The measurements of these chests are 70x70x65 cm externally and 60X60 cm internally.
The 70X70 manhole with bottom has 3 windows that facilitate ventilation and the passage of water in wells.
Window diameter 43 cm
It is a concrete service chest, a highly resistant and functional material.
Mass concrete, with a minimum resistance of 40 N/mm2.
Weight: 235 kg
It is very useful in irrigation manhole services, manholes.
Quality control carried out through tests in approved laboratories.
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