A type ventilation pipe is specified:

1. The design of the vent pipe has a gas flow rate of 5m/s/, and the average gas flow rate of the filter (mesh and cloth) is 0.75m/s.

2, the ventilation pipe according to the thickness of the overlying layer (H3), 0.0m, 0.5m and 1.0m three design, 0.0m applicable to the southern region, 0.5m applies to the central region, 1.0m for cold areas.

3, after welding derusting, anti-corrosion requirements see the atlas general description.

Uses: power plants, factories, chemical plants, machinery enterprises.