ESAB HW-24, HW-9RV, and HW-20 Tig Welding Torches User manual

ESAB
Brand
ESAB
Model
HW-24, HW-9RV, and HW-20 Tig Welding Torches
Type
User manual

This manual is also suitable for

The HW-24, HW-9RV and HW-20 torches meet the
requirements of Instruction for Use of EN 50078 as
follows:
A. Process: Tig welding.
B. Method of Guidance: Manual.
C. Voltage Class; L
Rated High Frequency Stricking Voltage: 5000 V.
D. Duty Cycle (10 min. base) 100% 60% 35%
HW-24
Rated Current DCSP 85A 110A 115A
Rated Current Balanced AC 60A 75A 80A
HW-9RV
Rated Current DCSP 105A 120A 145A
Rated Current Balanced AC 75A 85A 100A
HW-20
Rated Current DCSP 250A 280A 280A
Rated Current Balanced AC 175A 195A 195A
Shielding Gas (All torches & duty cycles) Argon
Cable-Hose Length
HW-24, -9RV 3.8m
HW-20 3.8 and 7.6m
Electrode Size, DCSP & AC
HW-24, -9RV 1.6mm 1.6mm 1.6mm
HW-20 3.2mm 3.2mm 3.2mm
Electrode Type: See Tungsten Electrodes for
Tig Welding in manual.
E. Gas Flow Rate:
HW-24, -9RV - 4 to 15 liters/min.
HW-20 - 4 to 20 liters/min.
F. Type of Cooling:
Air (HW-24 & HW-9RV torches)
Water (All HW-20 torches)
For HW-20 torches:
Maximum coolant temperature to torch: 50° C
Minimum flow rate: 1.0 l/min
Minimum inlet pressure: 3.2 bar
Maximum inlet pressure: 4.1 bar
F-15-393
December, 2000
SUPPLEMENT to
Instruction Manual 455 781-001 (F-15-270)
HW-24, HW-9RV, and HW-20 TIG WELDING TORCHES
G. Torch Switch Rating: 1.5A @ 24 VDC; 0.5A @ 48
VDC
H. Requirements for Connection of the Torch:
1. HW-24/-9RV OL & OS Torches: Insert OKC
connector into appropriate receptical on power
source and twist to lock. Connect gas hose screw
fitting with a wrench.
2. HW-24/-9RV CC Torches: Insert the torch cen-
tral connector into the appropriate connector on
the power source. Firmly hand tighten the re-
taining nut on the central connector to secure.
3. HW-20 OKC Torches: Insert OKC connector into
appropriate receptacle on power source and twist
to lock. The hose from the OKC connector has
red identifying tape and is connected to the quick
disconnect fitting on the power source which ac-
cepts water return from the torch.
The other quick disconnect fitting hose is con-
nected to the fitting on the power source which
supplies water to the torch.
The gas hose screw fitting is connected with a
wrench.
4. HW-20 CC Torches: Insert the torch central con-
nector into the appropriate receptacle on the
power source. Firmly hand tighten the retaining
nut on the central connector to secure. Attach
the hose marked with red tape to the water re-
turn fitting on the power source. Connect the
other hose to the fitting for water supply to the
torch.
F-15-393 12/2000
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ESAB HW-24, HW-9RV, and HW-20 Tig Welding Torches User manual

ESAB
Brand
ESAB
Model
HW-24, HW-9RV, and HW-20 Tig Welding Torches
Type
User manual
This manual is also suitable for
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