Summary of reasons for frequent leakage in centrifugal pump seals?
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Summary of reasons for frequent leakage in centrifugal pump seals?
If the problem persists after replacement, then improper installation or issues other than those related to the seal, such as problems with the shaft, could be causing this phenomenon
1. There is an issue with the selection of the mechanical seal: acidic medium or alkaline medium?； Is the O-ring material correct, etc ； 2. The conveying medium contains particles ； 3. Improper installation; the compression amount of the spring was not adjusted properly ； 4. Pump shaft wear or corrosion ； 5. The quality of the mechanical seal is poor.
1. Improper installation 2. Incorrect selection 3. Quality issues with the product itself 4. Excessive vibration
1. The mechanical seal was burned due to long-term use and was reinstalled improperly. 2. The cooling effect of the coolant water for the mechanical seal is poor. 3. The high pressure inside the sealed tank can cause the mechanical seal to burst.
1. Excessive pressure； 2. Excessive impurities in the medium ； 3. There is an issue with the selection of the mechanical seal.
Reply to 1# Yitailong'er: In my opinion, seal leaks in centrifugal pumps are mostly caused by vacuum formation resulting from operational fluctuations.
1. Incorrect selection 2. Improper installation 3. Design flaws 4. Vibration 5. Idle running 6. Insufficient fluid supply 7. Frequent replacement of the seal; also check whether there are any wear marks on the shaft sleeve.
1. Quality issues with the mechanical seal. 2. The spring compression is either too loose or too tight. 3. The pump is under vacuum. 4. An inappropriate selection of the mechanical seal. 5. The levelness of the pump base (we have a pump whose mechanical seal gets worn into an inclined shape every time it is removed)
There is a problem with the spring compression amount, the pump is losing pressure, there are issues with the cooling water, and the shaft is worn out