1, powder feeding machine 2, 40-400 mesh 3, negative pressure 4, ... the vacuum is generated in the air injection pump, and powder material is sucked in the conveyor tank, the ... when the tank is full filled, the pump stop and discharge valve is opened for powder material discharge. All ... elimination.Ex-provffe type as an optionEasy to install and cleaningIn accordance with GMPMade of ANSI 304/316L Stainless ...