What is Holiday Test ?

Holiday Test – Overview;  A holiday test here refers to defects in coating or lining, which are Pinhole, Void, Crack, Thin Spot or Contaminant.  Holiday Test is a method for checking these defects by providing electricity through the defects in Coating/lining to Workpiece. If any area has a defect, spark or short circuit will occur. Holiday Test will be divided into two(2) main methods. According to the thickness of Coating/lining by Low Voltage or “Wet Sponge” It applies to Coat thickness less than 500 microns of High Voltage or “Spark” is used to Coating thickness greater than 500 microns. Example of understanding the methods: … Continue reading What is Holiday Test ?

Pipe support shoe (sliding type) – inspection

Pipe Supports Inspection – Pipe Shoe off Support;  When checking piping, be sure to check the position of Pipe Shoes to see if they are still in the right position or if they fall out of support like below: Pipe Supports Inspection – Fix Pipe Shoes off Support;  In the event that the pipe shoe is dropped from the support, it can be resolved by expanding the support structure to support the thermal expansion. Continue reading Pipe support shoe (sliding type) – inspection