Under choked conditions, valves and calibrated orifice plates can be used to produce a desired mass flow rate.
2.
Fuel flow is adjusted by means of precisely calibrated orifices, referred to as " jets ", in the fuel path.
3.
The fuel gas is fed out of a calibrated orifice which meters out a maximum amount of gas and also creates a jet through a stochiometric mix, it burns with a nice blue flame from bottom to top of the flame, without soot being deposited on your pots and pans.
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