JB/T 2938-1999 This standard is a revision of JB 2938-81 "Dry Permanent Magnetic Drum Separator". During the revision, only editorial changes were made according to relevant regulations, and the technical content has not changed. This standard specifies the product classification, technical requirements, test methods, inspection rules, signs, labels, instruction manuals, packaging, transportation and storage of dry permanent magnetic drum separators. This standard applies to dry permanent magnetic drum separators. The machine is used to separate strongly magnetic minerals (such as magnetite and pyrrhotite) with a specific magnetic susceptibility of not less than 3000×0.000001cm3/g. JB/T 2938-1999 Dry Permanent Magnetic Drum Separator JB/T2938-1999 Standard download decompression password: www.bzxz.net