Can you explain the operation of a CNG evaporator in a practical way?

A CNG evaporator does not make something that is liquid gaseous, but only lowers the high pressure of 200 bar. I would like to know how it works. How is that done, how does it work?

Asker: Yuri, 21 years old

Answer

The principle is the principle of a pressure relief valve as shown in this figure. If the pressure rises, the diaphragm will move up against the spring and thus cut off the gas supply. Usually this happens with CNG that is under a pressure of 200 bar in two stages from for example from 200 bar to 50 bar and then from 50 bar to 3 bar to 7 bar a typical injection pressure for engines.
Good luck

Answered by

Mark Pecqueur

automotive

Karel de Grote-Hogeschool
Brusselsstraat 45, 2018 Antwerp
http://www.kdg.be

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