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Milton, I was just looking over your book "Fundamentals of Stack Gas Dispersion". We are currently building a Flare Gas Recovery unit to eliminate enviromental polution (H2S, etc..) Thanks again y'all & Perth I downloaded the Convert tool :)

Thank You

Hello, I am having to convert several different flow rates for construction. I have feet per sec and I am having to convert to standard cubic feet per sec. Can someone post an easy conversion please. Thanks

B31.3 Para. 341.4.1 (1) does say at least 5% of fabrication must be tested with radiography. Some clients may require 10%. It all depends on what the service is. Catagory D may not require any testing other than visual & service test.

B31.3 Para.341.4 shows examples of NDE using radiography. Chapter VI in B31.3 will list all inspections but B31.3 will not tell you to what extent you must use as a % of NDE. ASME B31.3 is a standard to follow. Most companies require you to follow B31.3 as a minimum requirement. If you have...

The point at which it is proposed to operate the pipeline is the critical point. Thanks for the correction. The problem still stands on whether there are any problems associated with operating the pipeline near the critical point.

We need to uprate the carrying capacity of an ethylene pipeline 140 kilometer long and 14" diameter. It is proposed to operate the supply side of the pipeline near the triple point of ethylene, MAOP of 52.8 bar absolute at 10°C reducing to 20 bar at the outlet of the pipeline. There is a...