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What does HPN stand for?

HPN stands for High Pressure Nitrogen

This definition appears rarely and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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We have 72 other meanings of HPN in our Acronym Attic

Samples in periodicals archive:

However, in the coming days the plant could be shut down permanently because the Federal Judge has signaled that there are significant irregularities and irresponsible actions such as the cancellation of the plant's 'area set-back cushion' and a pipeline filled with high pressure nitrogen and natural gas running three meters from the property limits of my property, and where just 200 meters from the property line are massive LNG storage tanks that are holding up to a billion cubic feet of gas.
It was developed for the US Army by Bell Textron Laboratories, using high pressure nitrogen gas to give rocket propulsion over a 30ft high obstacle at 7mph, for 30 seconds.