MAWP
MAWP
(OP)
Dear sir,
Whenever we do Pressure Vessel calculation either Div.1 or Div.2, MAWP is calculated for shell, head and nozzles only. Why MAWP calculation is not done for internal tray supports which are also having lot of internal pressure falling on it. Please advise or give your opinion.
Thank you,
Regards,
Sameer
Whenever we do Pressure Vessel calculation either Div.1 or Div.2, MAWP is calculated for shell, head and nozzles only. Why MAWP calculation is not done for internal tray supports which are also having lot of internal pressure falling on it. Please advise or give your opinion.
Thank you,
Regards,
Sameer





RE: MAWP
RE: MAWP
w.r.t VIII.1: Pressure calculations as per say UG-27, UG-28 or UG-32, UG-33 or UG-34 are performed for 'pressure component', by meaning component having different pressures on two surfaces of it.
Internal support rings and trays, generally are process components with same pressure on either sides, so there happens no pressure difference. Hence, no MAWP calculations.
RE: MAWP
Regards,
Mike
The problem with sloppy work is that the supply FAR EXCEEDS the demand
On edit: added text in bold