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Equipment
Each time equipment is
used by the operator
REGULATORS
Visual examination to
and their integral
determine suitability for
protective
service (e.g. correct gas,
devices.
pressure rating, damage,
condition of threads and
sealing surfaces, oil or
grease contamination).
Leak test all joints at
working pressure.
FLASHBACK
Visual examination to
ARRESTORS
determine suitability for
and their integral
service (e.g. correct gas,
cut off valves.
pressure rating, damage,
condition of threads and
sealing surfaces, oil or
grease contamination).
Leak test all joints at
working pressure.
HOSE
Visual safety check to
ASSEMBLIES
determine suitability
(including non-
for service (e.g. gas,
return valves).
pressure rating,
damage), condition of
cover (e.g. kinking and
twisting), threads and
sealing surfaces. Check
anti-whip restraints
where fitted.
Leak test all joints at
working pressure.
BLOWPIPES
Visual examination of the
nozzle and inlet seatings
for damage.
Leak test all joints at
working pressure.
8. TECHNICAL INFORMATION
Welding capacities
Mild steel
1.2mm / 18SWG
2.6mm / 12SWG
4mm / 8SWG
Cutting capacities
Mild steel
6mm / 14"
13mm / 1/2"
25mm / 1"
50mm / 2"
75mm / 3"
© Jack Sealey Limited
Annual
Functional tests to ensure
correct operation.
Check unit for flow
restriction.
Reverse flow to ensure
correct operation of
non-return valves and
pressure sensitive cut
off valves where fitted. If
of the pressure sensitive
type check shut off in the
tripped condition in the
direction of flow.
Reverse hose to ensure
the correct operation of
non-return valve where
fitted. bend hose in a
tight radius to ensure
reinforcement is not
visible.
Test valve functions. blank
exits and leak test for
internal malfunctions.
Operating pressure (bar - lbf/in²)
Nozzle size Oxygen
LW02
0.14 - 2
LW05
0.28 - 4
LW10
0.35 - 5
Operating pressure (bar - lbf/in²)
Nozzle size Oxygen
1/32"
1.4 - 20
3/64"
2.1 - 30
1/16"
2.8 - 40
1/16"
3.1 - 4.5
1/16"
3.5 - 50
Original Language Version
Maintenance
Replacement/
refurbishment intervals
5 years or manufacturer's
recommendations.
NOTE: If regulators are
repaired or refurbished
this shall be done in
accordance with the
BCGA Code of Practice
CP17 by a reputable
repairer.
5 years or the
manufacturer's
recommendations.
Determined by local
operating conditions.
Determined by local
operating conditions.
Gas consumption (ltr/m - ft³/h)
Acetylene
O
- Cutting
2
0.14 - 2
11.8 - 25
0.21 - 3
23.5 - 50
0.28 - 4
56.6 - 120
Gas consumption (ltr/m - ft³/h)
Acetylene
O
- Cutting
2
0.30 - 4
14.15 - 30
0.35 - 5
30.70 - 65
0.40 - 6
67.50 - 143
0.40 - 6
78.30 - 166
0.40 - 6
88.70 - 188
Replacement/
refurbishment
guidelines
Replace with a new, repaired
or service exchange unit.
Replace with a new, repaired
or service exchange unit.
Replace as required.
Replace with a new, repaired
or service exchange unit.
O
-
Acetylene
2
Heating
4.2 - 9
38.8 - 8
4.2 - 9
38.8 - 8
4.2 - 9
38.8 - 8
O
-
Acetylene
2
Heating
8.5 - 18
8.0 - 17
10.4 - 22
9.4 - 20
13.2 - 28
11.8 - 25
13.2 - 28
11.8 - 25
13.2 - 28
11.8 - 25
SGA10
Issue:1
07/10/22
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