Analysis of the reason why the pneumatic diaphragm pump can not produce liquid

As a new type of pump, pneumatic diaphragm pump takes compressed air as power source and plays an important role in various fields. As a special pump product, its own performance for a variety of corrosive liquids, liquids with particles, high viscosity, volatile, flammable, highly toxic liquids have super adaptability. In the process of using, many customers encountered the problem that the pneumatic diaphragm pump could not pump out liquid, so they called Xiaobian to find out the reason. Today, Xiaobian specially organized the knowledge for you to popularize this knowledge.

1. The specific gravity of the liquid is too large, or the concentration is too large, the suction head of the pump can not reach, so in this case, the pump is working, but the liquid cannot be pumped out;

2. The valve ball and ball seat in the pump body are not well sealed, and the liquid immediately flows back. In this case, the pump body is liquid, but the flow is very small, and the lift is very low;

3. The inlet pipe is not well sealed. In this case, the pump works normally, but it can't pump out liquid because it can't absorb liquid;

4. The air pressure at the air inlet is not enough. Generally, the air pressure range of domestic pneumatic diaphragm pump is 2-7kg, and the pump can not work normally if it is greater than or less than this value;

5. The wearing parts in the pump body are worn out. In this case, it is easy to solve the problem. Just replace the wearing parts;

6. The low-level mistake is to connect the pump's inlet and outlet reversely. The pump's inlet is at the bottom and the outlet is at the top.

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