What is the purpose of the pipe at the bottom of a regular centrifugal water pump?
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As the title suggests, according to the workers from the construction company, it is used for cooling the shaft seal; the valve on the pipe needs to remain open so that water can keep flowing. However, I think it’s not reasonable to keep it open all the time. What is the purpose of this pipe, and does it really need to stay open?
It is the discharge pipe for the cooling and flushing water of the mechanical seal, which needs to remain open at all times
It would be better if LZ had a picture; generally, pumps these days do not require constant cooling water that is discharged outward for sealing purposes. Are there valves on the pipe too? Is it the drainage from the pump body?
For the diagram above, your description alone isn’t sufficient; in fact, it’s also necessary to specify the type of sealing mechanism and the medium used, etc
The pipe at the bottom is likely the drain pipe. At the bottom of the pump head.
Why not recycle it? Waste! ! !
I think what the original poster is referring to is the emergency cooling water for mechanical seals (cooling at the tail end of the static ring).
It should be the discharge pipe for the cooling and flushing water of the mechanical seal
A picture should be sent; let’s take a closer look first.
It should be the discharge pipe for the mechanical seal cooling water; it needs to remain open at all times, but the water can be recycled