The integrally geared compressor is a centrifugal compressor. The choice of single- or multistage compressor is governed by the profile of requirements. The various types of integrally geared compressors are characterised by low operating costs, a relatively low investment outlay and excellent partial load performance. The compressor consists of a gear unit with a central bull gear that drives two to eight radial-flow impellers (variant with two bull gears and a maximum of ten impellers). It is equipped with interstage coolers. Multistage integrally geared compressors also offer the option of combining the processes of compression (combined compressor) and expansion (compander variant).

Applications:

• Air separation industry
• Nitric acid plants
• Fuel gas plants
• Nitrogen reprocessing plants
• Methanol plants
• Mechanical vapour applications
• Other process gas applications

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