I would like to ask about the function of the nozzle body. Thank you
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Today, while looking at diagrams of a high-speed pump, I came across an unfamiliar term called \"nozzle body\"; I couldn’t figure out what its function is. Can’t just use a volute instead? Why do some high-speed pumps require a nozzle body? I’d appreciate it if someone with expertise could help explain this. Thank you! The position 7 in the diagram corresponds to the nozzle body
It is estimated that this is to improve efficiency by forming a flow channel together with the impeller, thereby creating high flow velocities in the narrow outlet flow channel. It was also found that its impeller is different from that of the Stadion. You can look up online the structure of the Stadain and the types of impellers available. There’s no need to worry too much about this structure; just make sure not to forget the sealing ring during installation
It performs energy conversion. The kinetic energy of high-speed liquid is converted into hydraulic pressure energy. Simply put, high speed turns into high pressure.
One issue with high-speed pumps is that wear leads to insufficient head, causing the motor to overload.