The rotor is keyed directly onto the motor shaft.
The VD 3 series pumps are suitable for the evacuation of closed systems or to operate at a constant vacuum included in the following range:
VD 3 from 150 to 1013 mbar (absolute)
VD 3 from 120 to 1013 mbar (absolute) version with vacuum seal valve.
The following accessories are useful for the installation and for the control of the pump operation parameters:
- external suction filter
- vacuum gauges / vacuostats
- pressure gauges / pressure switches