rotary vane vacuum pump / lubricated / single-stage
BV 70 MAPRO International S.p.A.

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Characteristics

  • Technology:

    rotary vane

  • Lubrication:

    lubricated

  • Number of stages:

    single-stage

Description

Oil recirculating type rotary vane vacuum pumps
with nominal capacity 70 m3/h.
Two different versions are available, depending on the
ultimate vacuum required for the application. In the BVS
version the pump reaches the ultimate vacuum of 0,5 mbar
abs. In the BVM version the ultimate vacuum is of 10 mbar
abs. The two versions differ only in the oil recovery system
from the oil separation chamber.
The pumps are designed for continuous operation within the
ultimate vacuum and 400 mbar abs.
The standard construction includes:
flange mounted electric motor;
flexible coupling between
motor-shaft and pump-shaft;
bearings on both sides of the
pump rotor;
centrifugal-type fan directly
fitted onto the pump shaft
extension for the cooling with
ambient air;
inlet mesh filter to prevent solid
parts from entering the vacuum pump;
non return valve fitted in the inlet port;
gas ballast valve;
safety guard.