Recent content by ReliefSystemEngineer

Thanks a lot Mr. Art Montemayor. You made some valuable points & your comments are a great help.I will dicuss this further with my fellow-engineers & see what they have to say on this. Once again, I appreciate your help & thanks for your time. Just to let you know, these vents are fabricated...

Thanks Mr.Montemayor for all your input....you could have just written one sentence saying that I should be more specific & there was no need to write such long reply. I agree that I was not specific & I should have given more details for my problem,it was my mistake & I apologize for that, but...

Hi, I'm working on Emergency / Vacuum Vents sizing on Low Pressure Tanks. I need help / guidance with calculations of relief rate for the following two cases: 1]Filling Hot Tank with Cold Liquid 2]Hot Feed to tank on startup with cooler material in tank. How do I calculate the relief rate for...

Hi All, Should their be a Relief Valve after a Steam Letdown Station on a Steam Header(in general) ? We are planning to merge a 35#Steam Header into an Abandoned 15#Steam Header. The idea is to install a 35# -15# Letdown station on the 18" 35#Steam Header. The 15# Steam will be used by various...

EGT01, I'm sorry about not posting the details on the relief device. Its a Fisher Controls Type 289H spring loaded throttling relief valve with 1" X 1½" size & is set @ 2 psig. It is protecting the Trough(Non-ASME, NO Code "U" Stamp) of a TorusDisc Cooler. The MAWP of the...

Art Montemayor, Thank you for the response & I totally agree with you on the point that the liquid expansion case is already calculated countless times & why waste time in trying to calculate the resultant pressure. Its just that I'm a junior process engineer & my RV sizing work is audited by...

Hi nalmeter, Thanks for your response. The article you referred to is very neat & very informative.That helped. parimal

Hello, For a Non-ASME Relief Device(Set@ 2psig) Protecting a Non-ASME Ceritified Vessel(MAWP 2psig @ 270ºF) is the 3% and 10% RULE for INLET & OUTLET PIPING PRESSURE DROP APPLICABLE ? Thanks, Parimal

Hello Everybody, I have a relief device protecting the tube side of a shell & tube heat exchanger(Process Water Heater). The Fluid Composition is as follows:- Tube Side - Water(90 psig normal operating, max. 150 psig) heated from 50 to 60ºC. Shell Side - 35#Steam. Relief Device Set @ 150 psig...