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Thanks very much y'all responses. Nancy

Hi Latexman, I am planning to use the 35 psig sizing pressure because I will get a smaller orifice L 3 x 4 than if I size using the 17 psig (17*1.1=18.7 psig) where I will get an orifice of N 4 X 6. The tank has a nitrogen blanket. Thanks, (PS: Did you keep a tale of engineers who ask...

I have another question which is bothering me. I am planning to size my valve for the MAWP ( 32 psig) of the vessel which will give me a "L" orifice 3 X 4. But I want to set this valve at 17 psig to avoid decomposition of one of my solvent. Can I use the L valve ? or do I have to purchase a...

the solvent in the tank does not boil because boil point is higher than the steam. Steam vapor will be released. Thanks for all you inputs.

Hi everyone, Thanks very much for all of your responses. Latexman here are the answers to your questions plus additional information: PSV set point: 17 psig to avoid decomposition of solvent Tank MAWP: 32 psig Solvent tank design pressure: 25 psig Solvent tank design temperature: 232 C...

THE SCENARIO FOR SIZING A PSV TO PROTECT A TANK WAS A HEAT EXCHANGER SPLIT TUBE RUPTURE. THE TUBE SIDE HAS MEDIUM PRESSURE STEAM WHICH WILL BE RELEASED TO A TANK FULL OF LIQUID SOLVENT. THE PSV TO PROTECT THE TANK WAS SIZED USING API 520 GAS/VAPOR EQUATION (6) SECTION 5.6.3.1 FOR CRITICAL...