3. Lists the gas commonly used as fuel in
oxygen –fuel gas cutting?
Identify the control on gas cutting blowpipe
and state their purpose?
4. LIST OF COMMON USED AS FUEL
Mostly use acetylene.
Others : propylene
Liquefied petroleum gas (LPG)
Propane
Natural gas
Hydrogen
MAPP Gas
5. •Blue valve is for controlling the flow/pressure of
oxygen. Usually mark as ‘O’ or blue cap.
•Red valve is for controlling the flow of fuel
(acetylene). Usually mark as ‘F’ or red cap.
6. OXY-FUEL AND SINGLE TANK
Torches that are not mix with oxygen are not
considered oxy-fuel torches, they are identified
as single-tank.
They are use such as soldering and brazing.
8. GASOLINE
More power than acetylene and propane
Cheaper to operate
Safer; the torch cannot backflash up the fuel
line, due to fuel is liquid.
Leak can be detect.
