Knowledge
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What are the materials of the pump
What are the materials of the pump 1. Cast iron (1) Gray cast iron Gray cast iron is a frequently used cast iron. Generally, the pump body, pump cover, suspension, impeller, etc. are all cast from gray cast iron. These three grades of cast iron are often used: HT150/ HT200/HT250, pump base, backing plate and …...Read more -
Energy-saving methods for centrifugal pumps
How can the centrifugal series pumps be energy-saving during production or selection in the factory? The following points are the energy-saving measures for the centrifugal series pumps. Energy-saving measures for centrifugal pumps: ① Select the appropriate type of pipeline centrifugal pump, use the correct method to calculate the required flow and head of the pipeline, …...Read more -
Precautions for installation of pipeline centrifugal pump
1. From the installation technology of the pipeline centrifugal pump, the suction pipe requires strict sealing, and no air or water leakage, otherwise it will destroy the vacuum at the water inlet of the water pump, reduce the water output of the water pump, and even fail to pump water in severe cases. Come. Therefore, …...Read more -
Types of self-priming pumps
There are many structural types of self-priming pumps. Among them, the working principle of the external-mixing self-priming pump is: fill the pump casing with water before starting the pump (or there is water in the pump casing itself). After starting, the impeller winds at a high speed to make the water in the impeller channel …...Read more -
250HW-8 horizontal mixed flow pump
The 250HW-8 horizontal mixed flow pump is a single-stage single-suction volute centrifugal pump. This type of pump is suitable for transporting clean water or other liquids with physical and chemical properties similar to water. The transported body temperature should not be higher than 50℃. GF is used in farmland irrigation and drainage, industrial and urban …...Read more -
Screw pump sales in China
Screw pumps are widely used in the paper industry and industrial sectors. Single screw pumps have been widely used in developed countries due to their excellent performance. In recent years, they have been widely used in China. ① The body of the screw pump vibrates violently and produces noise: The installation of the oil pump …...Read more -
Which parts of the water pump are wearing parts
Before buying a water pump, we must first understand which parts of the pump are vulnerable parts. It is better to buy the vulnerable parts together when buying the water pump, because it is to prevent the pump from not working as usual after the vulnerable parts are damaged, which affects the production process. Unnecessary …...Read more -
ZW type self-priming non-clogging sewage pump price
ZW self-priming non-clogging sewage pump, self-priming and non-clogging sewage are integrated, like self-priming clean water pump, it does not need to install a bottom valve and pour water into the water inlet end of the pump to draw water out, and it can suck and discharge. Containing large solids with a maximum diameter of 60% …...Read more -
Parallel operation of pumps to increase flow
Parallel operation of water pumps, on the one hand, can increase the flow of the system, on the other hand, the flow of the system can be adjusted by the number of openings, so it is widely used. However, for a certain piping system, if the pump type is improperly selected, there may be two …...Read more -
ZW series self-priming pump price
The ZW series self-priming pump integrates self-priming and non-clogging sewage discharge. It can be like a self-priming clean water pump. It does not need to install a bottom valve or irrigation, and it can suck and discharge large solids (the maximum diameter is 60% of the discharge outlet diameter) And long fiber (1.5 times the …...Read more