LIQUEFIED PETROLEUM GAS (LPG)
LPG is sometimes also refered to as butane or propane but in fact is a mixture of both of these flammable hydrocarbons. It is a colourless gas but is a liquid under pressure. It has an unpleasent odour due to the addition of methy mercaptan as a safety precaution. In the southern hemisphere mixes are varied in accordance with the changing seasons. During winter conditions the standard LPG mixture will contain a higher proportion of propane, compared to butane.
LPG is almost entirely derived from fossil fuel either being manufactured during the refining of petroleum or extracted from natural gas streams.
Because LPG has such a low boiling point (below room temperature) it is stored in cylinders as a liquid hydrocarbon at relatively low pressure. Cylinder pressure is typically between 185 and 424 kPa depending on the particular blend and ambient temperature.
COMMON USES
– Heating and cutting metal
– Heating appliances and cooking equipment
– Autogas: Cars and Forklifts
GAS SPECIFICATION
IMPURITIES
CYLINDER SIZE, CAPACITY
DIMENSIONS (H x D) mm
FILL PRESSURE
OUTLET FITTING
LPG: Propane/Butane Mixture
O2: <2 ppm, H2O: <2 ppm, THC: <1 ppm, CO2+CO: <0.5 ppm, N2: ppm
9 kg, 15 kg, 20 kg, 45 kg
G: 1500 x 229
Nominal Pressure @ 10C
450 kPa
QCC,
Internal LHT 5/8 BSP