Features : applications : ? can withstand wide voltage fluctuations. from 180 to 240 volts for single phase ? suction lift upto 7. 5 metres. ? models are with ip-44 protection. ? class of insulation 'b'. ? designed to prevent overloading and motor burning. ? dynamically balanced rotating parts ensure minimum vibrations. ? replaceable wearing parts and hence longer life. ? designed for automatic air release during priming.