... main shaft overhang end to pump for clockwise rotation.3 g series three screw pump material 3G Series pumps usage:Used ... .6-123m3 / 3G Series Screw Pump Applications 1, medium for linear continuous conveying, without stirring, without pulsation.2, little vibration, low ... , small volume, light weight.6, wear light, long life 3 g series three screw pump