This part specifies the types, models and basic parameters of water turbine pumps. This part applies to water head of 1m ~ 35m, flow rate of 0.0138m3/s ~ 13.4m3/s, head of 2.5m ~ 300m, water outlet flow of 3.7L/s ~ 4030L/s s, the water head ratio is 1-40, and it is used for water wheel pumps with clean water at normal temperature.