This standard specifies the terms and definitions, types, basic parameters, requirements, test methods, inspection rules, marking, packaging, transportation, storage and quality assurance of inverted umbrella surface aerators. This standard applies to inverted umbrella-type surface aerators for biochemical treatment of sewage.
JB/T 10670-2014 Referenced Document
GB 18613-2012 Minimum allowable values of energy efficiency and energy efficiency grades for small and medium three-phase asynchronous motors
GB 5749 Hygienic Standards for Drinking Water*, 2022-03-15 Update