Supplementary Specification to API Standard 672 Packaged, Integrally Geared Centrifugal Air Compressors 요약 - API 672 4th에 적용 (현재는 API 5th 이 나와있음) - Shaft power 1500kW에 해당되는 공기 압축기에 적용 - 6.1.9 The thermodynamic performance test may be performed on one machine of multiple order of identical machines. Acknowledgements This IOGP Specification was prepared by a Joint Industry Project 33 Standardizati..