... .Mechanical seal 4. top motor.With simple structure, easy dismount, adjustable foot height, vibration-proof device, low noises, high ... speed. Through speed exchanger institutions or high-speed motor can realize flow adjusting. Self-priming ability is high ... SUS304 and SUS316according to motor species, it can be divided into ordinary motor, ABB motor and explosion-proof motorUsages of Screw PumpIt ...