JB/T 5285-2001 This standard is the revision and merger of JB/T 5285.1~5285.3 "Vacuum Oil Purifier". This standard specifies the type and basic parameters of vacuum oil purifiers, technical requirements, test methods, inspection rules and marking, packaging, transportation, storage and other requirements. This standard applies to vacuum oil purifiers. This standard was first published in May 1990 as ZB J77 010-90 (the standard number was adjusted to JB/T 5282.1-1999 in April 1999) and in July 1991 as JB/T 5282.2-91 and JB/T 5282.3-91 Published, this is the first revision.