Description: Unique number and letter combination assigned by the manufacturer to identify the device for the order; Name: Manufacturer order code
Description: by manufactures issued unique combination of numbers and letters used to identify the device for ordering; Name: order code of manufacturer
Description: proportion of pump available power input, pa, which is delivered as pump power output, pu, after satisfying the losses resulting from friction due to the relative motion of internal surfaces and internal leakage; Name: hydraulic efficiency