... industry, lighting on the phosphor industry, furniture, doors, aluminum, paint industry, the quality of the products superior quality. The diaphragm ... coatings, pu, leather coatings capacitive water, uv coating of special paint used for concentration, feeding, mixing and so on. Characteristics; ... 2.5-5.5kg.Air inlet; 1 \ 4'PT.Export paint; 1 \ 4'PT body material;Aluminum alloy. Diaphragm material; ...