Special pump factory professional sharing: the reason why there is air in the heat transfer oil pump can not lift the water

Thermal conduction     Oil pump    The reasons for the lack of water due to the presence of air are as follows :

( 1 ) Some users of the heat transfer oil pump are not filled with enough water before the pump starts; sometimes it seems that the water that has been filled has overflowed from the vent hole, and the heat transfer oil pump does not turn the pump shaft to completely discharge the air, so that a little air remains in the water inlet pipe. Or in the pump body.

( 2 ) with heat conduction   Oil pump   The horizontal section of the inlet pipe that is in contact is applied with a downward slope of more than 0.5% in the direction of the water flow , and the end connected to the inlet of the water pump is the highest, not completely horizontal. If it is lifted up, air will remain in the inlet pipe, which will reduce the vacuum in the water pipe and the water pump and affect the water absorption.

( 3 ) Cracks appear at the inlet pipe bends, and slight gaps appear at the connection between the inlet pipe and the pump, which may cause air to enter the inlet pipe.

(5) a thermally conductive filler pump wear due to prolonged use or have been cut through the packing loose, causing a large amount of water discharged from the gap filler and the sleeve shaft, as a result of internal and external air enters from gaps pump , affecting the water.

( 4 ) Because of the long-term potential of the inlet pipe, the hole in the pipe wall is corroded. After the pump works, the water surface continuously drops. When these holes are exposed to the water surface, the air enters the inlet pipe from the hole. many: