... food, cement, environmental protection, electric, power and other sectors of the projects.Pressure Range: 1.0 bar(14.5psi), ... system and differential pressure.Large inlet/outlet: Without restriction of the cross section for highest capacityDrive mode: Chain drive ... /Direct driveOperating type: Electric actuationMain Material: FC, 304,316,304L, 316L Backpack supply air type of rotary valve