The cause of the heat conduction oil pump fit? _

time of heat conduction oil pump has two main conditions, namely the cavitation caused by time and gas leaking caused by time.

in time under the condition of cavitation, as long as the medium of working pressure is lower than the temperature of saturated steam pressure, it will roll and emptying, and are not necessarily the vacuum. A typical such as light hydrocarbon pump seal evacuated.

under the condition of gas invasion of evacuation, gas leaking basically has the following several paths.

it is internal gas into the centrifugal heat water pump, such as collection of cracking gas in pipe.

another centrifuge is outside air into the hot oil water pump, main is a relief system, air through the water pump and the pipe flange or gland into the pump; In this case, can constitute a negative pressure pump. But in fact, even form the negative pressure, pump pressure difference between surface and not more than 1 kg/cm2 ( The diameter of the shaft was Φ 45 ~ 70 mm) 。 Considering the time, the atmospheric pressure can function in the whole projection area of dynamic and static ring, but after calculation, the pressure difference is not greater than the spring force in the table is known to push sealing surface.

Wow, this sounds like a bit of a cruel question, but it is a vitally important question to ask yourself if you are struggling with your winter cover pump and you would like to stop the water pump problem.
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