It provides guidelines for ensuring the safe and reliable operation of rotating machinery like pumps, compressors, and turbines. This standard was formed by merging previously separate standards for pumps (OISD-STD-119), compressors (OISD-STD-120), and steam & gas turbines (OISD-STD-121).
I am Mechanical Engineer by profession and a part-time freelancer who loves beautiful codes & designs. Currently working as a Maintenance Manager at South Asia Consultancy.