... VC2201.voltage:220V, power 2000W2.Noise:70dba3.Three-phase industrial vacuum bypass pump Technical specifications: Model MS220 MS380 Voltage ... 89kg Noise 70dba 72dba Description:1. XY brand MS industrial vacuum suction machine has characteristics of beautiful,light,economical , ... dirable,etc. 2.Three-phase industrial vacuum bypass pump,low noise,long service life, two ...