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GOLDENSAIL
07
2022
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09
Steps to replace the plate heat exchanger gasket
Author:
1. Remove the waste gasket. Be careful not to make scratches in the gasket groove when disassembling.
2. Use acetone, butanone or other ketone solvents to remove the residual glue in the gasket groove. For the plate heat exchanger plates, according to different dirt, the acid-alkali cleaning tank is used for chemical cleaning, and the surface of the cleaned parts will not be corroded by chemical media (such as gasoline).
3. After chemical cleaning, use a high-pressure blowing device to thoroughly remove the chemical substances remaining on the surface of the plate heat exchanger. Wipe the gasket groove and gasket with a clean cloth or cotton gauze.
4. Coat each heat exchanger plate with a fluorescent test agent, check whether there are small cracks and corrosion holes under the irradiation of ultraviolet light, and clean it again. In addition, the condition of the sealing groove should be checked and repaired if necessary.
5. Apply the adhesive evenly in the gasket groove. For non-bonded gaskets, a different device is used to secure the gasket in the heat exchange fins.
5. Attach a clean new gasket to the board. Inspect the bonding position and bonding quality of each plate heat exchanger plate.
6. The plate with the gasket attached should be placed in a flat, cool and ventilated place to dry and solidify naturally before installation and use.
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