Description: ratio of the power required to compress the working fluid to the compressor input power; Name: mechanical efficiency of the pump
Description: determined proportion of the pump power input, p, available after satisfying the mechanical power losses, pj,ab, at given operating conditions; Name: mechanical efficiency
Description: Construction measures for electrical operating media for preventing ignition of the surrounding explosion-capable atmosphere; Name: Explosion protection Type of 'e' protection of the electric motor