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Vent and drains in Hydorgen cross country pipe lines

Vent and drains in Hydorgen cross country pipe lines

Vent and drains in Hydorgen cross country pipe lines

(OP)
Is there any standards for vents and drains in Hydrogen for cross country pipe lines? Is there any restriction in provision? If so what is the governig factors/

RE: Vent and drains in Hydorgen cross country pipe lines

Try the updated Nasa specs on hydrogen piping. Last time I checked ( 2 yrs ago), the only  US design standard available was the Nasa document- it is very conservative. It was revised in year 2000 and renamed .

RE: Vent and drains in Hydorgen cross country pipe lines

There are quite a few hydrogen pipelines running around SE Texas and S. Louisiana. All such pipelines must conform to U.S. D.O.T.'s Pipeline Safety Regulations Part 192 - Transportation of Natural and Other Gases by Pipeline (unless the lines are totally contained within private property, i.e. intra-plant lines and do not cross a public road). Although there are no specific requirements for vents and drains, there are spacing requirements for sectionalizing valves which prudent design would require venting cabability at each. To my knowledge, there are no drains on these pipelines.

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