What the is difference between MAWP and Design Pressure
What the is difference between MAWP and Design Pressure
(OP)
Can anybody explain what is the difference between Maximum Allowable Working Pressure (MAWP) and Design Pressure for pipeline system? Can it be the same?





RE: What the is difference between MAWP and Design Pressure
thread798-228139: MAWP and design pressure
FAQ135-133: What is design pressure and MAWP ?
RE: What the is difference between MAWP and Design Pressure
Can anybody give explanation, especialy understanding of term by code?
RE: What the is difference between MAWP and Design Pressure
Thus if you were to use that 2000 psig MAWP rated valve in a segment of a B31.8 pipeline where the MAOP is limited to 1550 psig, for example by the wall thickness, pipe material yield stress and the area's class design factor, you would be perfectly OK. Note however that the entire segment would still have to operate with sustained pressures at all points in that segment (including the valve) at <= 1550 psig.
If you were to use an ANSI#600 class valve in that 1550 psig MAOP system or segment of a system you would NOT be OK, as that ANSI#600 valve would have a MAWP of 1480 psig at normal temperatures.
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"Pumping accounts for 20% of the world's energy used by electric motors and 25-50% of the total electrical energy usage in certain industrial facilities."-DOE statistic (Note: Make that 99% for pipeline companies) http://virtualpipeline.spaces.live.com/