... application 2.Capacity: 2~50L/Revolution 3.Body in cast iron or stainless steel The structures and the ... the materials quantitatively and continually. Commissioner Fan is used in pneumatic system, for the compression or vacuum conveying system. ... assure that the ratio of air and and solid in the pneumatic system, the solid is more steady, ... , 304,316,304L, 316L Inlay Rotary valve with sight glass