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I just couldn't find my old school books about the orifice plates, so please help me with this topic, we have several orifice plates here at the mill, and when we took them of from the line, they were installed in different way each of them. What is the proper installation for a orifice plate? the orientation of the sharp side? (upstream or downstream), and the little hole in the plate, what is that use for? what is its right position, to the top or bottom of the pipe?
Thanks
Thanks