1) The current exceeds the rated value at rated voltage; 2) Under the rated head, the flow rate decreases greatly compared with the normal condition;

1) The current exceeds the rated value at rated voltage; 2) Under the rated head, the flow rate decreases greatly compared with the normal condition;

Deep well pump is a kind of water lifting machine which directly connects the motor and the water pump to work in the water. It is suitable for extrac

What are the advantages of magnetic pump compared with motor DC brushless pump? 1. The pump shaft changes from dynamic seal to closed static seal, whi

1. Air leakage of suction pipeline: it is recommended to eliminate the air leakage phenomenon in the pipeline, and check the method within the allowab

1. During the operation of the electric pump, the current, voltmeter and water flow should be observed frequently, so as to make the electric pump ope

Disadvantages: as long as the motor rotates, the carbon brush will wear. When the water pump runs to a certain extent, the wear gap of carbon brush wi

The working principle of stainless steel self-priming pump is ordinary centrifugal pump. If the suction liquid level is under the impeller, it should

1. During the operation of the electric pump, the current, voltmeter and water flow should be observed frequently, so as to make the electric pump ope

The most common type of pressurized water chamber used in sewage pumps is the volute. Radial vanes or runner vanes are often used in internal submersi

Magnetic pump is a kind of magnetic transmission to realize non-contact torque transmission with static seal instead of dynamic seal, make the pump to

In terms of the medium used, the submersible pump can be roughly divided into a clean submersible pump tank. In terms of the medium used, submersible