Mild steel, English, Metric – Hypertherm HT4400 HySpeed Plasma Arc Cutting System User Manual
Page 76: Plasma / air shield 200 amps

HT4400
Instruction Manual
4-17
2
Mild Steel
O
2
Plasma / Air Shield
200 Amps
Air
Flow Rates @ 120 psi / 8.3 bar
(scfh / slh)
Air
O
2
Preflow
184.3 / 5220 55.7 / 1578
Cutflow
149.1 / 4224
78 / 2208
120786
Retaining Cap
120787
Nozzle
120791
Swirl Ring
120793
Electrode
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
56
PG2
32
MV1 MV2 MV3 MV4 MV5
MV6 MV7 PG1 PG2 PG1 PG2
Inches
Volts
in.
mm
ipm
mm/m
in.
mm
seconds
1/4
120
.125
3
160
4060
.250
6
0.5
3/8
120
.125
3
100
2540
.250
6
0.5
1/2
125
.157
4
80
2030
.314
8
0.7
5/8
130
.157
4
70
1780
.314
8
0.9
3/4
135
.188
5
55
1400
.375
10
1.2
7/8
135
.25
6
45
1140
.500
13
1.5
1
140
.25
6
35
889
.500
13
2.5
24
42
35
32
30
32
35
35
0
0
10
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
6
120
3
.125
4301
169
6
.250
0.5
10
120
3
.125
2419
95
6
.250
0.5
12
125
4
.157
2151
85
8
.314
0.7
15
130
4
.157
1851
73
8
.314
0.9
20
135
5
.188
1331
52
10
.375
1.2
22
135
6
.25
1155
46
13
.500
1.5
25
140
6
.25
903
36
13
.500
2.5
32
35
24
42
30
32
35
35
0
0
10
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)