Monday, Jan 26, 2015 at 19:11
Tikus tanah - LPG comes in two forms - BBQ gas and Autogas. There is no set Australian standard for the makeup of the gases in either case.
They are both a mix of largely propane and small percentages of other gases - but Autogas quite contains quite a % of butane (up to 40% sometimes), which is more petrol-like in performance and energy levels. BBQ gas is generally about 98% propane.
The butane level in Autogas can vary widely, according to the refining source.
The general advice is not to mix the two. This is because of the variability in Autogas, and the fact that propane and butane require different burner jets to burn properly.
In the highly populated areas, BBQ gas is delivered separately into tanks reserved exclusively for BBQ gas refills - and Autogas is delivered separately into Autogas tanks.
However, in country areas, only one gas is delivered to save on transport costs - and it's pumped into both Autogas and BBQ gas tanks if they are separate. In some
places, one tank provides both gases.
Thus, country gas deliveries consist of largely BBQ propane, to ensure that it can be used in both automotive and BBQ/household stove/HWS applications.
You may have acquired a gas refill that has been refilled from an Autogas tank that has been filled with LPG that is high in butane levels.
Thus, it will have trouble burning properly in any appliance that is jetted for propane.
I don't really know what you can do about it, except complain to the supplier.
Elgas - Gases - What's what?
Cheers, Ron.
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