FineLine 300HD Plasma System
BK8053-000107 Rev A.01
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Page 74 of 118
Mild Steel - 300 Amps - Oxygen Plasma / Air Shield
Shield Cap
Nozzle
Electrode
BK602346
BK602318
BK602305
Outer Cap
Retaining Cap
Swirl Ring
Torch
BK602365
BK602369
BK602360
BK602622
Imperial*
Material
Thickness
(in)
Preflow
(psi)
Plasma
(psi)
Shield
(psi)
Postflow
(psi)
Arc
Voltage
(volts)
Travel
Speed
(ipm)
Cutting
Height
(in)
Pierce
Height
(in)
Pierce
Time
(msec)
Kerf
Width
(in)
1/2
7
71
58
71
134
135
0.140
0.400
700
0.140
5/8
56
56
130
115
900
3/4
131
90
1000
7/8
49
132
80
0.425
1200
1
133
70
0.450
1300
0.142
1.25
140
50
0.175
0.650
1800
0.160
1.5
145
37
0.200
0.750
2500
0.170
1.75
150
30
0.250
0.850
3200
0.190
2**
158
21
0.275
0.450
1500
0.205
2.25**
44
163
16
0.300
0.217
2.5**
35
168
12
0.325
0.240
2.75**
174
8
0.245
3**
180
6
0.254
Metric*
Material
Thickness
(mm)
Preflow
(psi)
Plasma
(psi)
Shield
(psi)
Postflow
(psi)
Arc
Voltage
(volts)
Travel
Speed
(mm/m)
Cutting
Height
(mm)
Pierce
Height
(mm)
Pierce
Time
(msec)
Kerf
Width
(mm)
12
7
71
58
71
135
3541
3.6
10.2
656
3.6
15
60
60
131
3061
845
20
56
55
56
2210
10.4
1060
25
49
133
1810
11.4
1287
30
138
1410
4.2
15.1
1662
3.9
35
143
1101
4.8
17.8
2158
4.2
40
146
887
5.5
19.8
2709
4.5
45
151
742
6.4
20.7
3053
4.9
50**
157
562
6.9
11.4
1500
5.2
60**
40
165
361
7.9
5.8
70**
35
174
202
8.3
6.2
75**
179
162
6.4
* Use an arc transfer height (ignition height) of .300” (7.6 mm) for cutting and .100” (2.5 mm) for marking.
** Edge start recommended.