What are the cause of the pump not flow water?

 Shanghai weihu pump industry to provide users with the pump maintenance encountered in the process of various types of failures, specifically today there is not the cause of the water pump? In the past we also encountered many pump without water, so we have what are not the cause of the water pump as a summary, said below mentioned possible reasons one by one.

A, suction side issues

1, and there is no water injection pump

2, water pump or suction tube is not completely filled with liquid

3, suction head is too high, more than the pump capacity

4, suction pressure is too close to the liquid pressure gasification

5, air pockets in the suction side

6, suction side not fully immersed in a liquid

Second, the system reason

1, the speed is too low

2, motor turning right

3, total head above water pump design head

4, improper operation

Second, the mechanical reason

The impeller is influenced by external factors.

Above is a summary of what are not the cause of the water pump, of course, there could be other reasons, so much the cause of water pump water not may appear a few projects at the same time coexist,  weihu special remind what kind of reason is specific to on site need to be given, to ensure accurate quickly remove the water pump is not a failure.