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1. Use previous preparation work (1) Check whether the cable is cracked or broken. Before use, it is necessary to observe the appearance of the cable and use a multimeter or megohmmeter to check if...
Centrifugal pumps (except for self-priming pumps) must be filled with water in the pump and inlet pipe before starting, otherwise the pump will not be able to pump water. The centrifugal pump does ...
Clear water pump is a commonly used water pump in our daily life, which can be used in garden irrigation, farmland irrigation and other occasions. Friends who have used a water pump should have enc...
The basic parameters for selecting sewage pumps are caliber, flow rate, head, power, voltage, liquid, etc. 1. Select the appropriate sewage pump based on the discharge flow rate and the size and he...
The speed of the sewage lift pump is too low 1. Human factors; Some users, due to damage to the original motor, randomly installed another motor to drive it, resulting in low water pump flow, low h...
The split case pump (split case circulation), also known as a single-stage double-suction centrifugal pump, is characterized by its large flow capacity for conveying media. The working principle of...
The control and starting devices of submersible pumps are mainly divided into four types according to their functions and requirements: direct starting device, Y-shaped star delta pressure reducing...
Installation of mechanical seals for multi-stage centrifugal pumps: To master the maintenance and repair of mechanical seals, one must first understand the working principle of mechanical seals. A ...
The impeller and pressure chamber of sewage pumps are the two core elements of sewage pumps. The advantages and disadvantages of its performance represent the superior performance of the pump. The ...
1, Determine the pump type based on the wellbore diameter and water quality. Different types of submersible pumps have certain requirements for the diameter of the wellbore, and the large external ...