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Natural Gas Flow Velocity

Natural Gas Flow Velocity

Natural Gas Flow Velocity

(OP)
Im looking for design std that define natural gas flow velocity in pipeline around 20 m/s. Experts, could you give me a direction to find details about the natural gas velocity must be used to design pipelines and equipments, like scrubbers, filters, heaters, etc? I heard about 20 m/s but can“t find standards or explanation about this figure, why not 30 or 50 m/s??

RE: Natural Gas Flow Velocity

I work for a gas pipeline company. While I haven't found any references to particular standards, we try to limit our flow velocity to 100 feet/sec (~30 m/s). To reduce noise (gas screams at that velocity), we drop to a 70 fps (~21 m/s) limit.

In buried piping, operating above 200 PSI, some references indicate the velocity should not exceed 200 fps (61 m/s), but that probably does not apply in your case.
 

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