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Just stumble upon the ASME's report. Maybe it can help ASME STP-PT-049 Investigation of Temperature Derating Factors for High-Strength Line Pipe. ISBN: 978-0-7918-3426-8

You want to know the allowable accumulation in the boiler as per Sweden jurisdiction codes, correct? 3% or 6% or 10% or 15% or whatever, correct? First ISO 4126 is irrelevant ot PV, it is referred to PSD. Second in Sweden jurisdiction the EC's PED is applied. As per my experience you are...

@LittleInch See below and bolded in CCPS above . Note that ExxonMobil and CCPS do not distinguish hydrogen and hydrogen-hydrocarbons as API does. API 521-2020 ExxonMobil's std. GP 03-02-04 Shell's std. 85.45.10.10

@AutoDirt some pointers can be found at the EIGA's guide https://www.eiga.eu/uploads/documents/DOC211.pdf The snuffing steam design can be found in ExxonMobil in the next post. Note the pictures in the next post - ExxonMobil guides the exhaust upward with no a rain cap. API 520-2-2020 BP's...

(1) a very expensive, (2) complicated, (3) occupied a lot of space, (4) requiring a personnel attention, and (5) not a robust mean creating (6) a dangerous O2 depleting zone around a the vent exhaust and PSV drain both - it should be added.

I am not familiar with a multiport valves concept in the upstream industry. Given the Emerson's doc shared by LittleInch the stagnant flow is not an issue. I would address to the reliability of the multiseat on the figure 3. This detail: (1) looks less robust than a seat of a conventional gate...

For dangerous clean gases (N2, H2, CH4, steam) we practice to connect a weep hole to a small-bore drain and route that downward to a safe location that takes into account the exposed dispersion areas. There are reasons to increase metallurgy of the drain to prevent rust blockage. As an option we...

where? what jurisdiction is this pipeline located in? why chemical forum? what's wrong with the pipeline or petro forum?

For ideal gases this works, for non-ideal - doesn't.

SG term is vague and outdated and therefore not codified, especially relevant to the gases. SG is rather informal and therefore the every working group can apply the different background behind that, given that every groupmember knows and applies SG in the same way as others do. This is why the...

@Inspector Do not believe them, only the original designer knows what the referenced water temperature (RWT) is as industry standards require the both temperatures to be specified. ASTM E1547-2017 ASTM D1298-2017 So your datasheet is a kind of in-house and you should find&ask an original...

Look, I am not really a proper person for these upstream issues. I have got experience in downstream, and a bit in midstream, but not really anything upstream, whether onshore or offshore. If I would be in your shoes, I would reject that consultant's proposal. As I understood your posts, the...

Concentric reducers lead to liquid pockets. Eccentric reducers (assuming flat on bottom) assure total draining. Concentric reducers can be implemented if those do not create liquid pockets. Corrected the typo. Thank you for paying my attention.

I didn't understand anything.

Eccentric reducers lead to liquid pockets. Concentric reducers (assuming flat on bottom) assure total draining. Eccentric reducers can be implemented if those do not create liquid pockets.

The blowdown valve is connected to the top of the vessel but when it opens the liquid is coming out from. If the model is representative then how is this possible? I recommend to leave this task as you have not enough expertise to perform such. I am not sure there exists experienced enough eng...

What do you mean "blowdown"? Blowing down a vapor, a gas, or a liquid? If it is "blow" then why do you "drain" the liquid first? Anyway your model is inadequate. Being familiar with how Aspen Dynamics works I am not sure there is a simulator possible to model such without an extensive coding...

Incorrect. Liquid columns in the upstream and downstream vessels are equal (Hup = Hdown) Pressure in vapor spaces of the upstream and downstream vessels are equal (Pup = Pdown). The system is balanced SG*g*Hup + Pup = SG*g*Hdown + Pdown Vapor and liquid phases compositions are equilibrium...

Guess this device is for the loading on a pump nozzle during the pressure test of the vessel. Check if this vessel is designed to be tested with a blind flange or not.

@MHS1988 1/ Ask the licensor how is it possible that the steam is under vacuum conditions and contains no non-condensibles. Note that there is a huge difference between total condenser and partial condenser. 2/ Pressure drop is less than 1 kPa. How do you suppose the flow will be distributed in...