Hello, experts. I would like to ask about to what level the pressure drops at the outlet of the pump after a flow-limiting orifice plate is installed there
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It’s an AY multi-stage pump with an outlet pressure of 2.75 MPa. The pump flushing scheme is 11+52; in the 11 scheme, the pump outlet is connected to the mechanical seal gland, and a throttle orifice plate is also connected to the pump outlet. Another throttle orifice plate is attached to the threaded hole on the mechanical seal gland. The two throttle orifice plates are connected by a DN10 seamless steel pipe, and both orifice plates have a diameter of 6 mm. I would like to ask the experts here: after installing these two throttle orifice plates, what will be the remaining pressure inside the mechanical seal gland? I searched the internet for a lot of information, but there’s no exact calculation.
Why is pressure measurement taken at the outlet of a multi-stage pump? It can be taken from the second stage; simply use an orifice plate with a diameter of at least 3 mm