Design standard of typical detail tube hole grooving, welding and rolling of double tube sheets. Use this standard for study purposes only.
General Notes:
- See exchanger drawing for material specification and any exception to this standard
- Length roller expanded to be the smallest of 90% of tube sheet thickness or 150 mm
- Before welding tube to be rolled lightly in tube sheet
- After weldling tube to be rolled finally in tube sheet
The next figure shows a typical design:
