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Hitachi Nico Transmission Co.,Ltd.

Image : Planetary Type Reduction Gear for Coal Mills

Highly dependable HITACHI centrifugal process compressors with advanced technology of high efficiency impeller, are used all around the world.
BCH type compressor with radially split (barrel) casing are used for the light gas, such as hydrogen gas, and for the high pressure of about 4 to 35MPa.
And stable operation at the high speed to about 15,000 rpm is possible.


  • Utilizing planetary gears, the installation area and the weight can be saved 40% and 30% respectively, compared with a conventional type.
  • Noise level can be significantly reduced by means of accurate bevel gears and high rigidity cylindrical gear case.