Aluminium suction and pressure heads with labyrinth seals on shaft.
Rotor consisting of impeller coupled to the special steel shaft, statically and dynamically balanced.
The bearings (ball and roller) are housed in cast iron supports with ring seals; lubrication automatically removes the excess grease.
Transmission by means of belts and pulleys. Belt stretcher on motor base.
Transmission casing in accordance with the accident-prevention regulations.
On request they can be manufactured in ATEX version up to zone 1 /21.

FLUID:

Clean or slightly dusty air.
Biogas and gas