Greentech International Co., Ltd.
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Rotary Blower

— roots blower, rotary blower, air blower
Product Category: Blowers
Sales Method: Manufacture
Payment Term: T/T, L/C
Min. Order Unit Price
1 Piece USD 1000 / Piece

Product Detail

Product Attribute:

  • China (mainland) More >
  • twin lobe
  • greentech
  • ISO9001
  • 12/04/2012
  • 12/04/2012

Additional Info.:

  • Qingdao
  • wooden case

Product Content Description:

Roots Blower

Bore: 50~500mm

Flow capacity: 0.5~420m3/min

Pressure rise: 9.8kPa~98.8kPa

Vacuum: -49kPa



Roots blower, sometimes called a Positive Displacement, or PD blower, is a machine which "pushes" a relatively constant volume of the gas handled at the inlet through to the discharge. It applies to conditions requiring high vacuum or high pressure especially in the waste water treatment plant.

The main purpose of the blower is to provide constant flow of gas at different pressures. The blower consists of a cast iron casing in which two rotors with conjugate shapes rotate and are synchornised by a set of timing gears. During rotation, there is no contact between the lobes or between the lobes and the casing.
Quantity Per Month: 500sets
HS Code: 841459
Delivery Way - Date Of Delivery: 30days

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