Horizontal multistage centrifugal pumps in the selection process summary, not only to consider the practicality of horizontal multistage centrifugal pumps, but also to consider the horizontal multi-stage centrifugal pump work environment, these environments are often lying on the floor Multi-stage centrifugal pumps have a very important impact. Users in the horizontal multistage centrifugal pump purchase, the sales staff will often communicate with the user, but many times, the sales staff do not know the use of horizontal multistage centrifugal pump, so the recommendations may not be able to meet the maximum user Need, then still need horizontal multistage centrifugal pump users have their own horizontal multistage centrifugal pump selection knowledge. Horizontal multistage centrifugal pump selection precautions 1, the pump material and sealing form. 2, the medium contained in the solid particle diameter, content how much. 3, the medium temperature: (℃) 4, if the production process has been given the smallest, normal, maximum flow, should be considered the maximum flow. 5, the characteristics of the media: media name, specific gravity, viscosity, corrosive, toxic and so on. 6, pressure: suction tank pressure, drainage tank pressure, pressure drop in the piping system (head loss). 7, the piping system data: diameter, length, type and number of pipe fittings, water tank to the pressure tank geometric elevation. 8, if the production process is only given normal flow, should consider leaving a certain margin. For large flow low head pumps with ns> 100, the flow margin is taken as 5%, which is a question of the reliability of the product when it comes to the most critical problem for horizontal multistage centrifugal pumps because horizontal multistage centrifugal pumps need to be transported Medium is generally a mixture of solid material liquid, which is horizontal multistage centrifugal pump relative to other seals in the motor carrying capacity, bearing arrangement in the selection of key considerations. Insiders often ridicule horizontal multistage centrifugal pump selection is art. From everyone's mocking tone, we can easily find that horizontal multistage centrifugal pump selection is important.
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