Orifice Flanges - an overview
The orifice flange union is used to measure, or meter, the amount of pressure drop through the orifice plate. The length of pipe within the piping system where orifice flanges are installed and where these measurements are recorded is known as a meter run. Figure 4.26 shows the orifice flange union assembly installed in a meter run. The broken-out section shown in Figure 4.27 shows the ...
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