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Photograph: Centrifugal compressor

Hitachi has supplied over 1300 centrifugal compressors around the globe, since the first one was completed in 1911.
Centrifugal compressors meet various needs, and their main applications are in oil refineries, chemical plants, fertilizer plants, natural gas plants, steel plants, etc. We are confident that we can increase customers' satisfaction through our long, extensive experience and advanced technologies.
Compressors serves as heart of any process plant, so they are designed to be highly reliable, highly energy-efficient, and low-cost, considering the world energy situation.

Image: Centrifugal compressor drive image
Centrifugal compressor drive image

Casing structure

Image: Casing structure: MCH type
MCH type

Image: Casing structure: BCH type
BCH type

Main applications

The applications of Hitachi centrifugal compressors and the corresponding models are shown in the following table.
Plant product Service Compressor type
Petroleum refining Catalytic
cracking
Air compressors, gas compressors MCH, 2MCH, DMCH
Reforming Recycled gas BCH
Desulfurization Recycled gas BCH, BCH/A,B
Lubricating oil Fuel gas
Propane gas
2MCH, 3MCH
Chemical science Ethylene Decomposed gas, freezing cycle MCH, 2MCH, 3MCH, DMCH
Ethylene
oxide
Air compressors
Gas compressors
MCH, 2MCH, POB
Butadiene Gas compressor MCH, DMCH
Synthesized chemicals Ammonia Air compressors,
gas compressors, freezing cycle,
synthesized gas, make-up gas,
recycled gas
MCH, 2MCH, BCH,
BCH/A,B, 2BCH
Urea CO2 compressors 2MCH, BCH/A,B
Methanol Synthesized gas, make-up gas,
recycled gas
MCH, BCH, BCH/A, PCH
Natural gas Liquefaction plant Booster compressors
End flash compressors
MCH, 2MCH, 3MCH, BCH, 2BCH
Gas processing plant Gas injection compressors
Gas compressors
BCH/A, BCH/B, BCH/C
Pipelines Pipeline boosters PCH
Others: Air separation Air compressors, boosters, oxygen compressors MCH, 2MCH
Natural gas Gas compressor MCH, 2MCH

MCH/DMCH/2MCH/3MCH: Horizontally Split Centrifugal Compressors
BCH/2BCH: Barrel-shaped centrifugal compressors
PCH: Centrifugal Compressors for Gas Pipelines
POB: Overhung Centrifugal Compressors

Main achievements to date

1911 Supplied Hitachi's first centrifugal compressor
1968 Licence agreement with Nuovo Pignone (Italy)
1978 Supplied carbon dioxide compressor for urea plant with highest compression ratio (about 260)
1983 Supplied compressor for large-flow-rate (250,000 m³/h) butadiene plant
1989 Supplied compressor driven by variable speed motor (for India)
1991 Expiry of license agreement with Nuevo Pignone.Began technical cooperation with S2M (France) in the field of compressors with magnetic bearings
1992 Supplied first compressor with magnetic bearings
1993 Supplied compressors for large ethylene plant (675,000tons/yr) (for Indonesia)
1999 Supplied compressors for Malaysia's Tiga gas plant
2002 Supplied compressors for GAS plant for Saudi Aramco
2005 Supplied compressors for Sakhalin-2 pipeline
2007 -165 degC Low Temp Natural Gas Booster Compressor shipped
2011 S-MR Compressor supplied to China
2012 Compressor for FPSO shipped