... .2KW heater3KW3.3KW3.8KW4KW (The above parameters is according to oil material that is refined, separated, flaked, steamed and fired, and ... equipments are complete with reasonable techniques.)Operating principle: 1.When oil press is on work, material enters the extruding chamber from ... is quite strong friction among press screw, chamber and the oil materials. 3.On the other hand, root diameter of the ...