What is the purpose of the flushing plan for API682 mechanical seals?

What is the purpose of the flushing plan for API682 mechanical seals?

Immediately introduce the liquid into the high-pressure side of the double or single enclosure, which is called "cleaning". Generally speaking, pumps should be cleaned, especially light hydrocarbon pumps.

1. Clean to dissipate heat. Be sure to control the heat generated by the liquid seal. This can be achieved by cleaning the sealed chamber with liquid to generate heat and controlling the temperature rise.

2. Reduce the liquid temperature. In some cases, excessively high liquid temperature can even affect sealing performance. In this case, it is necessary to lower the temperature to improve the liquid performance.

3. Change the pressure of the sealed chamber. In some cases, it is necessary to increase or decrease the pressure in the sealed chamber to improve performance. This can be achieved by controlling volatilization or reducing the heat consumption of the seal.

4. Clean the process fluid. If the process liquid contains inappropriate solid particles or contaminants, it is necessary to clean the liquid in the sealed chamber. In extreme cases, it may be necessary to provide clean liquid from outside the sealed system.

5. Manipulate the atmospheric side of the seal. Due to the contact between process liquids and air, they may dry, crystallize, or slagging. It is very important to avoid mutual influence with air and prevent adverse effects on sealing performance.