... 20T,30T,40T,50T,100T 2.Configuration: worm shaft,worm gear,bearing,oil seal 1.Model: RN-0.5T,1T, ... 15T,20T,30T,40T,50T,100T2.Configuration: worm shaft,worm gear,bearing,oil seal,housing and lifting Screw3.Function: Elevating, Lowering ... ,trunnion base,limit switches,coupling,link shafting.12.Application: Machinery,Metallurgy,Construction, Irrigation, Chemical industry, Health Care, Culture, Health and ...