... coating industry, lighting on the phosphor industry, furniture, doors, aluminum, paint industry, the quality of the products superior quality. The diaphragm ... . Pump flow components can be made of stainless steel, aluminum, cast iron, diaphragm, according to the different liquids were ... .5-5.5kg.Air inlet; 1 \ 4'PT.Export paint; 1 \ 4'PT body material;Aluminum alloy. Diaphragm material; Teflon ...