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Dear All; anyone know how to select or size a PSV to be installed in a vessel subject to a pneumatic test. I have no idea if it will be according to API 521 or other standards? Many thanks for your support.

Gents; Anyone have any idea about the purpose of the reboiler hydraulic calculation? i have a calculation notes which contain all the process parameters, availables heads, available pressure, losses and at the end neither the conclusion was specifed nor the design if fine or not!? I am a...

Hi gents; anyone can help me to get an information about the leak test, is there any standard, guideline , etc. that show how to select between N2 and N2He to find the leak. I know that this is related to the predefined leak rate, but I want to find the method based on the service (gas...

Dear all; does any one have a spredsheet for the calculaton of N2 dsiplacement purge for pipeline, the attached exemple of study may help (the work has been performed through OLGA) http://www.ogj.com/articles/print/volume-111/issue-10/transportation/nord-stream-dry-air-purge-improves.html best...

after satisfactory completion of vacuum drying operations of the pipeline,nitrogen purging and packing the pipeline are carried out. A maximum of 2% by volume of oxygen shall be permitted in the pipeline following completion of the purge. The purpose of these is to ensure that oxygen content...

gents; we will start the calculation of N2 slug for pipeline purging purpose? the purging will be not be full but with just a slug of nitrogen, anyone have an idea obout the calculation of the exact volume of this slug, the pipeline is 28 in, 200 Km, i have no idea about the slug distance!

Sorry for the confusion, Generally process Engineer use DP as Design Pressure and dP as differential pressure or pressure drop.

Operating P=40 barg Design Pressure 90 barg??? What is wrong here?!

Dear MortenA 1 million STD cubic meter is a flow unit of course, I did not understand your answer!

Dear All; I did exactly what I am looking for, the say that the actual flow is 1 MSCM/d, what would be the maximum flow that could be transported via the pipeline,the DP is 90 Barg.

Hello gents; Does Anyone knows a methods for the calculation of a pipeline Maximum Flow capacity that it could transport, Data available: e.g 24 in, inlet P=40 barg, out P=20 Barg, lenght 100 Km? Thanks