After the pneumatic diaphragm pump is connected to the compressed air, the air valve controls the compressed air to drive the diaphragm 1 to the right. Meanwhile, the diaphragm will squeeze the medium in the right membrane chamber to discharge the medium out of the pump chamber. The diaphragm not only plays the role of the conveying medium, but also separate the compressed air and medium in the cavity of the pneumatic diaphragm pump.
When a diaphragm is pushed away from the intermediate by compressed air, at the same time, the other piece linked by the link moves to the intermediate = = where the connecting rod in high pressure is connected to the diaphragm located in the two cavity. When the diaphragm 2 moves to the intermediate, the high pressure air behind the diaphragm is forced into the outside through the switch of the valve through the muffler.
When the diaphragm 2 moves to the middle gas valve, the inlet of the pneumatic diaphragm pump takes a vacuum and pressure the medium to press the inlet of the eight pump through the atmospheric pressure. At this point, the inlet valve ball of the pneumatic diaphragm pump will be lifted and leave the seat to ensure that the medium is easily filled through the inlet pipe and filled in the eight pump chamber.