... ,15T,20T,30T,40T,50T,100T2.Configuration: worm shaft,worm gear,bearing,oil seal,housing and lifting Screw3.Function: Elevating, Lowering ... ~1800 mm/min 11.Accessory: Geared motor,Ordinary Motor,hand wheel,rubber Bellows,steel cover,bevel gearbox,frequency-inverter,brake,trunnion ...