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【Help needed】For the seal of the high-pressure lean amine liquid pump PLAN52, after it has been operating for some time, the liquid level in the seal oil tank rises to the full level; the pressure is 0.005 MPa, and the temperature of the return seal oil is 55°C. There is no external leakage from the mechanical seal. What could be the reason? Can the mechanical seal continue to function?

2019-07-11View Original

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The seal of the high-pressure lean amine liquid pump PLAN52 shows that, after operation for a certain period of time, the liquid level in the seal oil tank rises to the full level; the pressure is 0.005 MPa, and the temperature of the return seal oil is 55°C. There is no external leakage from the mechanical seal. Please analyze the reasons and provide a conclusion regarding whether the mechanical seal can continue to operate
Reply #22019-07-11
Double-end mechanical seal; seal leakage detected for the medium, normal for the atmosphere!
Reply #32019-07-11
If there is a leak on the medium side, why doesn’t the pressure increase?
Reply #42019-07-11
If there is a leak on the medium side, why doesn’t the pressure increase?
Reply #52019-07-11
Why isn’t the pressure rising? Could you explain in more detail? Thank you
Reply #62019-07-11
What about considering pressure? Why isn’t it going up? That’s what bothers me

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