For oil and gas choke valves, what does 50/64 mean?
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50/64 indicates the choke setting.
50/64 means equivalent orifice diameter in 50 times of 1/64ths of an inch.
Following figure the indicator is at 42 this would be equivalent to an orifice bean size of 42/64.
Choke valve manufacturers have generally have Orifice Indicator Bean Sizing Table and/or choke setting vs. Cv diagrams.
The following thermal problems are caused by changes in pressure:With gas, the Joule Thompson effect may give sub zero temperatures …