PURPOSE
To keep stable producing progress, quality, save the operating expense.
To keep stable flow rate and pressure by removing scale raised during operation
General Work Procedure
- 1) Removing valve, flange, spool and attached equipment : For getting work space, For smooth pig run.
- 2) Install Launcher, Receiver and pressure utility : Preparation work for Pig Cleaning
- 3) Water flushing(P check) : Removing liquid inside of pipeline with water
- 4) Foam pigging(KIS-NCW) : To remove remained liquid after water flushing. Pre-test for passing inside of pipeline
- 5)Brush / Metal Pin pigging(KIS-SPB1/KIS-SMPS3) : To remove scale using Pig attached metal pin or petal brush on it's surface
- 6) Water flushing(P check) : To remove scale after Brush / Metal Pin pigging
- 7) Water drain ( Sponge pig) : To remove remained scale and water
- 8) Air blowing (5 minutes) To remove tiny dust
- 9) Inspection
- 10) Uninstall equipment and restore the pipeline
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