MAWP Calculation
MAWP Calculation
Please guide me for MAWP calculations of in-service process piping.
Re: MAWP Calculation
I have attached the sample calculations for MAWP (ASME B31.3 - Process Piping)
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Re: MAWP Calculation
Thanks arcpro.
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Nabeel Ahmed Qureshi
- Core Member
- Posts: 87
- Joined: 04 Apr 2010, 09:38
- Area of interest: Mechanical Engineering
Re: MAWP Calculation
Can i use this formula for calculating MAWP of gas pipe line designed as per ASME B-31.8?
Regards
NAQ
Regards
NAQ
-
Nabeel Ahmed Qureshi
- Core Member
- Posts: 87
- Joined: 04 Apr 2010, 09:38
- Area of interest: Mechanical Engineering
Re: MAWP Calculation
Can i use this formula for calculating MAWP of gas pipe line designed as per ASME B-31.8?
Regards
NAQ
Regards
NAQ
Re: MAWP Calculation
Nabeel,
For that you have to include the factor F, temperature derating factor T and instead of allowable stress value S, use yield stress as suggested in Appendix D of B31.8. F depends on the location class and T is 1.0 if the temperature is 250 deg F or less.
The formula given for design pressure in ASME B31.8 is as follows:
P = 2St (F.E.T)/D
MAWP should be defined below this in any case.
For that you have to include the factor F, temperature derating factor T and instead of allowable stress value S, use yield stress as suggested in Appendix D of B31.8. F depends on the location class and T is 1.0 if the temperature is 250 deg F or less.
The formula given for design pressure in ASME B31.8 is as follows:
P = 2St (F.E.T)/D
MAWP should be defined below this in any case.