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BN-DS-T19 Typical detail tube hole grooving and rolling |
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Typical detail tube hole grooving and rolling Design standard of typical detail bundle tierod with spacers. Use this standard for study purposes only. General Notes: - See exchanger drawing for material specifcation and any exception to this standard
- Length roller expandded to be the smallest of 90% of tube sheet thickness or 150 mm
- For surface condenser; tube intlet end to be flared, if indicated on exchanger drawing
- Tube sheet material will not alter hole grooving, unless specified on exchanger drawing
The next figure shows a typical design:
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Design Standards 
