Desin Pressure on line list
Desin Pressure on line list
(OP)
Hi All,
I have little confusion while making 'line list' for a project.
What should be design pressure of particular line which is attached to a vessel? 'A design pressure of vessel' or 'design pressure as per piping class'?
silkroute
I have little confusion while making 'line list' for a project.
What should be design pressure of particular line which is attached to a vessel? 'A design pressure of vessel' or 'design pressure as per piping class'?
silkroute





RE: Desin Pressure on line list
A line should be specified after two main criteria:
a) have a pressure class suited to the maximum pressure the line could be exposed to under working conditions (with relief if excessive pressure could occur accidently)
b) be commercial available and best cost/lifetime choice.
The rest is then up to you: if the vessel have a very low pressure, it may be better to choice a higher, commercial normal pressure class. If the vessel have a high pressure class, but the processes only require lower pressures you could use lower pressures for the pipelines. In the latter case the effective pressure class of the whole system will be the lowest.
RE: Desin Pressure on line list
what should be design pressure / design temperature , if I want to specify on manual valve / actuated valve / pressure-temp transmitter / pressure-temp gauge data sheet on the same line ? as per piping class or equipment design pressure-temp ????
silkroute.
RE: Desin Pressure on line list
RE: Desin Pressure on line list
RE: Desin Pressure on line list
I hope everybody designs the press/temp less then the flange rating,
although it is a strange remark of you. (acc. EN/ASME?)
RE: Desin Pressure on line list
RE: Desin Pressure on line list
regards,
Benoy