This standard applies to centrifugal well electric pumping units with a flow from 0.63 to 1000 m3/h and a pressure from 12 to 680 m (d)
GOST 10428-1989 Referenced Document
GOST 12139-1984 Electric rotary machines. Ranges of rated output, voltages and frequencies
GOST 15150-1969 Machines, instruments and other industrial products. Modifications for different climatic regions. Categories, operating, storage and transportation conditions as to environment climatic aspects influence
GOST 10428-1989 history
1989GOST 10428-1989 Centrifugal electrically driven water pump units. Basic parameters and dimensions