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Relief Valve Sizing

Relief Valve Sizing

Relief Valve Sizing

(OP)
I'm designing a 3+MWe Rankine cycle engine, and I need to size a few relief valves for it. I am looking for a good program or web site that will help me size relief valves for liquid, vapor and two-phase flow regimens. I downloaded a valve sizing program from Farris Engineering (Division of Curtis Wright) that is a total mystery to me. The valves will be fairly large (up to 8 inches), so the program will have to be able to handle larger valves. Thanks for the help!

Tim Gallegos, turboengineer

RE: Relief Valve Sizing

The normal procedure is to contact the relief valve vendor and let them size the valves.

An 8" relieve valve on a Rankine unit is too large , I have never heard of use of any relief valve larger than 4" on a Rankine cycle.

You can probalby obtain a relief valve sizing program online by accessing the webpages for the vendors, but the size owuld need to be confirmed by the vendor.

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