They are composed of:
- A welded sheet steel tank.
- A compressed air-operated vacuum generator PVP … MDX ES, equipped with an energy
- A vacuum gauge for a direct reading of the vacuum level.
- A manual valve for vacuum interception.
- A suction filtre with an FC paper cartridge.
- A pressure adjuster equipped with filtre.
- A sleeve valve for compressed air interception.
- A cock for draining condensation from the tank.