SET-UP AND SAFE OPERATING PROCEDURES
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SECTION 4:
OXY-FUEL APPARATUS
Typical oxy-fuel workstations normally include the following items, each designed to perform a
specific function:
Oxygen and fuel supply• Cutting attachment and tip(s)•
Regulators• Welding nozzle(s)•
Hose• Heating nozzle(s)•
Torch Handle• Operator safety equipment•
4.01 OXYGEN AND FUEL SUPPLY
There are two types of workstations, portable and stationary. The portable station is usually supplied
by cylinders mounted on a cart. The stationary units are supplied by piping or manifold systems (see
Figure 3). The stationary system restricts the operator to the length of hose attached to the torch
handle.
CAUTION
Always be aware of the gases in use at the station. Use only the type of apparatus
designed for use with those gases.
4.02 REGULATORS
Oxygen and fuel pressure regulators are attached to the cylinders or piping outlets to reduce high
cylinder or supply pressures to suitable lower working pressures for oxy-fuel applications. The basic
external features of a regulator are as shown in Figure 3. Figure 3 also shows: CGA inlet connection
with filter, pressure adjusting screw, inlet gauge, delivery gauge, outlet connection, and relief valve
(where provided).
INLET GAUGEDELIVERY GAUGE DELIVERY GAUGE
RELIEF VALVE
OUTLET CONNECTION OUTLET CONNECTIONADJUSTING SCREW
CGA INLET CONNECTION
FILTER
(INSIDE
NIPPLE)
dwg-00378
Figure 3: Regulator Features
Oxy-fuel Apparatus
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