Technical Specifications - LORCH a-LTG/i-LTG Operating Manual

10 Technical specifications
General specifications for the LORCH TIG welding torches in range of a-LTG/a-LTW and
i-LTG/i-LTW are available in capacities of 80 to 450 A.
Ambiant temperature
During welding :
Transport and storage:
Relative air humidity:
Technical data
General torch data
Type of voltage
DC polarity of the elec-
trodes
Type of use
Voltage limitation
(peak value)
Arc ignition voltage and
arc stabilization voltage
Electrode
Shielding gas
Electrical control devices
Switching voltage of
button
Switching current of
button
Switching power of button
(max.) (resistive load)
Product-specific torch data
Power Rating
Duty cycle
Electrode Ø
Torch lenght
- 28 -
-10 ºC to +40 ºC
-25 ºC to +55 ºC
up to 90% at a temperature of 20 ºC
a-LTG/i-LTG
900 1700
V
kV
V
(DC)
mA
W
AC A 80 100
DC A 110 140
% 35 35
1,0- 1,0-
mm
1,6 2,4
m 4/8 4/8
2600 2800 1800 1800sc 2000
DC/AC
Usually negative
Hand-held
113
tungsten electrodes suitable for TIG use
DIN EN ISO 14175
0,02 - 12
0,01 - 50
130 250 230
180 300 320
35 35 100
1,0- 1,0- 1,0-
4,0 4,0
4/8 4/8
Technical specifications
a-LTW/i-LTW
12
0,6
280 165
400 220
100 100
1,0- 1,0-
4,0 4,0 3,2
4/8 4/8 4/8
3000 4500
230 360
320 450
100 100
1,0- 1,6-
3,2 6,4
4/8 4/8
12.15