Out of roundness inspection

Simply to inspection head forming ASME VIII Div. 1 by using template, offset from internal boundary.

1. Visual inspection and measure access

  • Prepare template with min. offset can be access gap measurement.

2. Check min. and max. gap (UG-81)

  • Deviation outside of the specified shape ≤ 1 1/4% of D
  • Deviation inside of specified shape ≤ 5/8% of D

Gap measurement

3. Min. thickness by UT depth gauge

UT depth gauge

Ínpection át Apem Company?

Lack of roundness : Dmax - Dmin < 1% OD

Yes, from TL to bevel shall be checked it.