... The structures and the useCommissioner Fan is also called rotary valve, air lock, usually is the structure of star, ... by some pieces of the rotor blade impeller, shell, seal, reducer and motor, etc.After materials in the upstream ... 0 bar(14.5psi), system and differential pressure.Large inlet/outlet: Without restriction of the cross section for highest ... FC, 304,316,304L, 316L Anti-explosion Rotary valve