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This part of ISO 10439 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. This part of ISO 10439 specifies requirements for expander-compressors, in addition to the general requirements specified in ISO 10439-1:2015. This scope covers only expanders and compressors on a common shaft (expander-compressor). This scope does not apply to expanders with separate output shafts (for example, generator drives). Hot gas expanders over 300 °C (570 °F) are not covered in this part of ISO 10439. Regarding German collaboration at DIN the Working Committee is NA 109-00-01-06 AK "Verfahrenstechnische Anlagen und Ausrüstungen" ("Processing equipment and systems") of Standards Committee Petroleum and Natural Gas Industries (NÖG).
This document replaces DIN EN ISO 10439:2004-02 .