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Hi Big, You need to know stuff about thermodynamics specificalle for steam! Or get someone you know (and preferrably pay) to tell your. You get good advice here but if something is wrong are you just going to say "well the guys at this website said...."? Anyway, also check out checalc. They...

Bronze is one of the substances that will last the longeste exposed to the elements. I dont know if there is a special "sculpture" mix but you might be able to find out yourselve. --- Best regards, Morten Andersen

note that this will not be legal in EU in my understanding of PED and the PED FAQ's --- Best regards, Morten Andersen

your local legislation may limit the evaporation. This may require vapor recovery and/or low storage temperature. --- Best regards, Morten Andersen

@OP in my opinion yes, because its a throttling process with a (almost) constant enthropy - but as other has mentioned in a regular refrigeration system you would get condensated refrigerant after the valve flooding the area that you want cooled (may be a "radiator" might be pipes with a cooling...

Its your engineering system (and MOC system). You should ask a colleague not some random dude. --- Best regards, Morten Andersen

Depends on the amount of soilds, but a mag pump seems like a good alternative. You dont want your boiling 80% acetone to leak too much --- Best regards, Morten Andersen

I think it might be relating to your components. One of them might not have the nhv defined, and then it cant calculate it for the entire phase. If im right you can propably specify it (guess / estimate e.g. based om MW and compare to other components. If its a low fraction it might not matter...

... sounds like there's going to be a shortage of metallurgical PEs? ;-) --- Best regards, Morten Andersen

i think your problems will be with any elastomers. Check this first. BUT you could have tried good ol' google, this was at the very top (for metals and alloys): https://www.methanol.org/wp-content/uploads/2016/06/Compatibility-of-Metals-Alloys-in-Neat-Methanol-Service.pdf and this was the...

@ FPPE, You can find many PED category calculator on the net e.g. this: https://www.hpivs.ie/ce-certification-2/ped/pressure-vessel-calculator I would think that liquid sulphur is liquid group 1. If your pressure is in absolute bars then its not covered by PED --- Best regards, Morten Andersen

Maybe the most accurate thing would be to measure it in a test bench? --- Best regards, Morten Andersen

A choke valve is basically a valve that restrict the flow at a given dP - and is operating in the "sonic velocity" range so that the flow is limited by the square root of the dP. So max. capacity at full open is interesting, but all positions in between is not that interesting. Consider a choke...

@littleinch, Thats more or less common sense. But a standard? I agree wrt to the consultant mentioned. --- Best regards, Morten Andersen

Hi Zuma, when asking like that then no. --- Best regards, Morten Andersen

@shvet, i dont see any "non standard" in this arrangement? Its the most common. But as Littleinch says you shall only do this for single valve arrangements w.o. block valves downstream the PSV --- Best regards, Morten Andersen

Thanks guys, Didnt look in the imperial versions and i could'nt find the graph on p 36 in the others. Maybe i was just impatient. --- Best regards, Morten Andersen

I have been browsing various spec sheets and brochures but cant seem to find any information if Fristam FL100 L pump is self priming and if yes, how mush suction head it can provide. So if you have this information i would appriceiate it if you could share :-) --- Best regards, Morten Andersen

Argon is a gas at ambient conditions. If you have liquid argon at ambient pressure it will colder than -189ºC --- Best regards, Morten Andersen

As Littleinch and Edstainless says - its cavitation. Boiling pressure of water at 140ºC is 2.6 barg so you basically have boiling water in your pipes at the suction pipe, but the discharge pressure is above boiling pressure - cavitation. The pump spec says 6 barg and this would be a good...