... 3" 4" 6" 8"NEMA standardCE approvedPopular over 50 countries.0.37kw-110kw,220V/230V/240V,380V415V,50Hz,60Hz,water cooling and ... , shaft.* Reformed butyl-rubber pressure adjusting bowl. SPECIFICATIONPower: 0.25kW - 2.2kW (singlephase), 0.37kW - 110kW (threephase)Voltage: single phase: 220/230V (- ... the motor: 8cm/sec. Water pH: 6.5 - 8.0 Maximum starts per hour: 30 Maximum submerged depth: 150 meter ...