How to remove bubbles from the pump
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We: Exhaust is divided into two steps 1. Static exhaust, which means the pump exhausts air when it is stopped. Open the outlet valve and the inlet valve to allow the medium to enter the pump under natural pressure, pushing out the air. Of course, some pumps are equipped with an exhaust valve; open that as well, and close it once liquid starts to flow out. After waiting for a while, close the outlet valve, and then the pump can be powered on and started. 2. For dynamic exhaust, after the pump is started, slowly open the outlet valve; at this point a swishing sound can be heard from the outlet, indicating that bubbles are being discharged. Once the sound stops, open the valve to its rated operating position.
But in the first step, during static exhaust, the outlet valve should be closed when filling the pump, right? Also, it’s necessary to clarify what type of pump it is :)
What was said on the second floor is correct; opening the outlet can cause the pump’s cover to loosen, leading to accidents. Usually, the exhaust valve on the outlet is used for venting
When starting the pump, the outlet valve should be closed to exhaust air; it is necessary to ensure that the inlet pipeline is properly sealed to prevent air from entering and causing bubbles. During operation, keeping the materials within the design specifications can help reduce the formation of bubbles.