... recommended to use three.SFJY series rotary vibration sieve is a high precision powder screening machine, its low noise, high efficiency, quick ... changer take 3-5 minutes, totally enclosed structure for grain, flour, mucus and ... Kw)Vibration Motor0.180.250.550.751.11.52.22.2General Motors—0.751.11.51.52.22.23.0 Rotary vibration sieve