suitable for sieving of dry powder, model available in size:20" & 30" technical specifications: drive motor : 1. 5 hp / 2 hp / 1440 rpm / 3 ph / 50 hz all contact parts are made out of ss304 / ss316 quality material.output : 30" model - up to 200 kgs. / hr. 20" model - up to 100 kgs. / hr. (depending upon the material properties and the screen size)