... .High quality and efficient motor, F class insulation level;2.IP54 totally enclosed dust motor, in a bad working ... in the normal range, to ensure the safety of the compressor aestivation. Main Parameter Type &ModlesExhaust Pressure (Mpa)Air Displacement ... as rice, seed and chestnut, also kinds of drugs etc .2.) Metallurgy: For anneal protection, agglomeration protection, nitrogenizing, furnace washing ...