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All This is a question regarding overboard lines from pumped seawater systems. I am aware of the gravity flow equations that should be followed; Froude number, Norsok P-001 etc for "dump caissons". Well, I have discovered a line that has not been designed that way! It has a froude number...

All I have a problem with cooling water flow, and am getting confused as to how the system works hydraulically. I have a high flow seawater pump (7000 m3/hr) cooling a steam turbine condenser. The Pump is mounted in a caisson approx 30m below process deck. The condenser is mounted at around...

All I am looking for some technical information regarding fitting a mechanical stop to a control valve. I am a process engineer and need to inhibit a valve from moving past around 80% of it s trave due to the limit of the downstream PSVs. Replacing the valve is not an option The question is...

Hi All I have a question regarding Yarway Automatic Recycle Valves. They all seem to say they are "flow sensing", but then seem to operate mainly on springs, while some have orifices. can anyone succinctly answer how they sense flow, and not pressure related flow (as a set spring would do)...

All I have a situation at the moment. I have a steam system with a seemingly undersized tailpipe - the flow will go critical / sonic. The relief is to atmosphere as it is steam. The question is, where will the flow go sonic? My understanding is that on the initial release of the PSV into an...

Well not quite a blowdown: Situation: I have a "reservoir of gas", actually a well of gas under pressure behind a choke. Those familiar with drilling it is the choke located after the choke line in a well intervention / kill situation. After the choke the gas will flow to a mud/gas...

All I am a familiar user of Pipesim, but am also aware of the Prosper package.They seem to be reasonably similar in what they claim to simulate. Does anyone know the main differences of application of these two packages, and when one might be superior to the other? Cheers Mat

I am attempting to design a produced water degasser. The water will be first separated in first / second stage 3 phase separators and then pumped to a break tank. After this the water is pumped through hydrocyclones to reduce the hydrocarbons to 30-40ppm. The produced water degasser will...