This standard specifies the technical requirements, test methods, inspection rules, marking, packaging and storage of the inner and outer rotors of JZS series powder metallurgy oil pumps. This standard applies to the inner and outer rotors of JZS series powder metallurgy oil pumps.
JB/T 7379-1994 history
1994JB/T 7379-1994 Specifications for JZS series powder metallurgy oil pump rotor