Aluminum, English, Metric – Hypertherm HT4400 HySpeed Plasma Arc Cutting System User Manual
Page 81: Plasma / o, Shield 200 amps

4-22
HT4400
Instruction Manual
8
Aluminum
N
2
Plasma / O
2
-N
2
Shield
200 Amps
Air
120786
Retaining Cap
120794
Nozzle
120853
Swirl Ring
120855
Electrode
*
Piercing not recommended
Minimum inlet pressures remain at one setting of 120 psi (8.3 bar) for all material thicknesses.
Approximate pressures while cutting in RUN mode:
PG1
49
PG2
36
Flow Rates @ 120 psi / 8.3 bar
(scfh / slh)
N
2
O
2
Preflow
199.4 / 5646 54.5 / 1542
Cutflow
191 / 5406
47.7 / 1350
MV1 MV2 MV3 MV4 MV5
MV6 MV7 PG1 PG2 PG1 PG2
Inches
Volts
in.
mm
ipm
mm/m
in.
mm
seconds
3/16
130
.125
3
180
4570
.250
6
0.5
1/4
135
.125
3
160
4060
.250
6
1
3/8
135
.125
3
120
3050
.250
6
1.5
1/2
140
.125
3
80
2030
.250
6
2
5/8
140
.157
4
70
1780
.314
8
2
3/4
150
.250
6
50
1270
.500
12
2.5
7/8
160
.250
6
35
890
.500
12
2.5
1
165
.250
6
25
630
*
*
*
1-1/4
175
.250
6
20
510
*
*
*
28
44
37
36
0
5
8
44
35
30
40
Initial Pierce
Height
Pierce
Delay
Time
Plasma
Shield
Plasma
Shield
Material
Thickness
Arc
Voltage
Torch-to-Work
Distance
Cutting
Speed
English
Test Preflow and Cutflow Adjust (psi)
Test
Preflow
Verify (psi)
Test
Cutflow
Verify (psi)
MV1 MV2 MV3 MV4 MV5
MV6 MV7 PG1 PG2 PG1 PG2
mm
Volts
mm
in.
mm/m
ipm
mm
in.
seconds
5
130
3
.125
4355
172
6
.250
0.5
6
135
3
.125
4301
169
6
.250
1
10
135
3
.125
2903
114
6
.250
1.5
12
140
4
.157
2151
85
6
.250
2
15
140
4
.157
1851
73
8
.314
2
20
145
5
.188
1210
48
12
.500
2.5
22
145
6
.250
898
35
12
.500
2.5
25
150
6
.250
645
25
*
*
*
30
160
6
.250
543
21
*
*
*
28
44
37
36
0
5
8
44
35
30
40
Initial Pierce
Height
Pierce
Delay
Time
Plasma
Shield
Plasma
Shield
Material
Thickness
Arc
Voltage
Torch-to-Work
Distance
Cutting
Speed
Metric
Test Preflow and Cutflow Adjust (psi)
Test
Preflow
Verify (psi)
Test
Cutflow
Verify (psi)