This standard specifies the terms and definitions, classification and models, performance parameters, structural types, requirements, product inspection, inspection rules, packaging, transportation, marking and storage of decanters. This standard applies to decanters used in urban sewage treatment and various industrial wastewater treatment.
GB/T 3767-1996 Acoustics--Determination of sound power levels of noise sources using sound pressure--Engineering method in an essentially free field over a reflecting plane
GB/T 4237 Hot rolled stainless steel plate,sheet and strip*, 2015-09-11 Update