The water inlet flange in the pump installation diagram.
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What does it mean when you see an inlet flange and an outlet flange in the pump installation diagram? Not the suction and discharge ports of the pump.
Cooling water inlet and outlet. Look at the mechanical seal or pump end cover.
Cooling water inlet and outlet. Used to connect the circulating water on the device.
Generally speaking, the inlet and outlet flange generally refers to the flange at the connection between the pump and the user pipeline. Because the standards based on each manufacturer are different, users usually require the pump manufacturer to provide inlet and outlet flanges for the convenience of piping.
If the inlet and outlet flanges in the picture are not the suction and discharge ports of the pump, they should be the inlet and outlet of the cooling water.
It should be the inlet and outlet of the cooling water, which is used to cool the seal and bearing parts, and is connected to the circulating water. Generally, there is a sight glass on the return pipe.
The inlet and outlet of the pump refers to the outlet where the pump medium enters and exits. The inlet and outlet flanges are generally welded to the pump inlet and outlet. The inlet and outlet flanges are screwed to the pipe flange..