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MAPRO: Positive Displacement Blowers

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High quality MAPRO spare parts

MAPRO: Positive Displacement Blowers

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MAPRO: Positive Displacement Blowers
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Description

MAPRO: Positive Displacement Blowers

Operating principle:

MAPRO® Positive Displacement machines, ML Series, consist basically of a pair of Tri-lobe rotors, mounted on parallel shafts, rotating in opposite directions inside a roperly shaped casing closed at the ends by side plates.
The two Tri-lobe rotors are synchronized by a pair of timing gears. As the rotors rotate, air is drawn into the inlet side of the casing, is moved from the inlet to the outlet side by the free volumes between rotors and stator and finally is forced out of the outlet side against the connected system pressure.
The machines, being positive displacement type, do not develop pressure within the casing but the discharge pressure depends only upon the connected system esistance.

Application and advantages:

MAPRO® Positive Displacement Blowers are suitable for all those applications requiring considerably higher flow rate than that which can be achieved using side channel blowers and till 4200 m3/h, and with discharge pressure till 1000 mbar g.

The most common fields of application are:

  • air injection in the oxidation tanks of the wastewater treatment plants.
  • pneumatic conveying.
  • air injection in saturated soils to promote biodegradation of the contaminants
    (Biosparging or Bioventing).

There is no contact of the rotating parts during operation of the Blowers. There is therefore no friction between the two rotors and between the rotors and the stator and thus no internal lubrication is needed.
The gas moving through the machine remains uncontaminated and completely oil-free.
MAPRO® Positive Displacement Blowers meet the requirements of the European Directives 2006/42 (Machines), 2014/35 (Low Voltage), 2014/30 (Electromagnetic Compatibility) and of the applicable harmonized Standards.

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