This standard specifies the technical requirements, test methods, inspection rules, markings, packaging, etc. for small gasoline engine direct-coupled high-speed centrifugal pumps. This standard applies to small gasoline engines with direct connection to high-speed centrifugal pumps.
JB/T 7731.2-1995 history
1995JB/T 7731.2-1995 Specifications for small gasoline engine direct-coupled high-speed centrifugal pumps