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Thanks for the info!!!! Daniele

Thanks Don! Given that the pipe in which I'd return the discharge line of the valve is filled with liquid (it's the by-pass valve return line to the tank), would a pilot operated valve be a better choice? I don't know if the Rego valve would operate well with a liquid counterpressure!

Hello! I have a question about pressure relieving on a LPG line section and in particular on the hydrostatic relief valve that is usually placed downstream the lpg pump and that I see on filling skids. I have four shut-off valves that ,when operated, isolate a liquid volume of about 50 liters...

Thanks!!

Hi! I'm facing a blow-down study for the first time: I'd like to know, according to your experience, if there's any reference (book/article) that covers properly this kind of problem. I could eventually use HYSYS to help. Any hint will be very very appreciated. Thank you. Daniele

Thanks for your answer TGS4. I'd like to know, according to your experience or anybody else's, which are the possible analysis techniques that can be used to carry out the fatigue analysis (software): FEA for example? Thanks again!! Daniele

Hello! I have a vessel with the following characteristics: design pressure=12 bar, operating pressure=8 bar, pressure cycle duration (0-8-0 bar)=18 min, life=20 years. If I'm not wrong, I should perform a fatigue analysis in accordance with ASME 8 Div. 2. I'd like to know, according to your...