This standard specifies the classification and nomenclature, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of rotating brush aeration devices. This standard applies to rotating brush aeration devices (hereinafter referred to as rotating brushes) used in sewage and natural water bodies that require aeration and oxygenation.
HJ/T 259-2006 Referenced Document
GB/T 11348.1 Mechanical vibration of non-reciprocating machines--Measurements on rotating shafts and evaluation criteria--Part 1: General guidelines
GB/T 191 Packaging.Pictorial marking for handling of goods*, 2008-04-01 Update
GB/T 6404 Determination of sound power level for noise emitted by gear units
GB/T 6920 Water quality--Determination of pH value--Glass electrode method
GB/T 9286 Paints and varnishes—Cross-cut test*, 2021-08-20 Update