Section 5: Torch Consumables and Cutting Charts
Spirit II User’s Manual
This information is subject to the controls of the Export Administration Regulations [EAR]. This information shall not be provided to
non-U.S. persons or transferred by any means to any location outside the United States contrary to the requirements of the EAR.
5-22
Mild Steel - 400 Amps - Copper Electrode
Oxygen Plasma / Air Shield / Air Preflow & Postflow
Shield Cap
Nozzle
Electrode
BK284123
BK284125
BK284124
Outer Cap
Retaining Cap
Swirl Ring
Torch Head
BK284150
BK284121
BK284122
BK279100
Imperial*
Material
Thickness
Preflow
Plasma
Shield
Postflow
Arc
Voltage
Travel
Speed
Cutting
Height
Pierce
Height
Pierce
Time
Kerf
Width
(in)
(psi)
(psi)
(psi)
(psi)
(volts)
(ipm)
(in)
(in)
(msec)
(in)
1/2
30
79
70
76
140
160
.140
.300
500
0.138
5/8
145
135
.130
.350
600
0.141
3/4
110
.400
800
0.145
1
150
85
.160
.500
1000
0.153
1.25
155
60
.175
.600
1500
0.162
1.5
160
50
.225
.700
2000
0.174
1.75
162
40
.260
.800
3000
0.186
2.00
165
33
.270
1.00
4500
0.201
2.25 **
170
20
.280
.350
1000
0.217
2.50 **
182
15
.300
.350
1300
0.234
2.75 **
185
12
.325
.350
1500
0.253
3.00 **
195
8
.350
.350
2000
0.273
Metric*
Material
Thickness
Preflow
Plasma
Shield
Postflow
Arc
Voltage
Travel
Speed
Cutting
Height
Pierce
Height
Pierce
Time
Kerf
Width
(mm)
(psi)
(psi)
(psi)
(psi)
(volts)
(mm/m)
(mm)
(mm)
(msec)
(mm)
12
30
79
70
76
138
4205
3.6
7.3
500
3.5
16
145
3405
3.3
8.9
800
3.6
20
2700
3.4
10.5
1000
3.7
25
149
2200
4.0
12.5
3.9
32
155
1500
4.4
15.3
1500
4.1
38
159
1275
5.6
17.7
2000
4.4
45
162
995
6.6
20.5
3000
4.8
50
164
860
6.8
25.4
4500
5.0
55 **
168
620
6.9
11.9
1000
5.4
60 **
175
450
7.2
8.9
1300
5.7
65 **
182
365
7.7
1500
6.1
70 **
185
300
8.3
2000
6.4
75 **
193
220
8.7
6.8
Marking* – For All Material Thicknesses
Type of Gas
Preflow
Plasma
Shield
Postflow
Arc
Voltage
Travel
Speed
Marking
Height
Initial
Height
Pierce
Time
(Plasma) (Shield)
(psi)
(psi)
(psi)
(psi)
(volts)
(ipm) (mm/min) (in) (mm) (in) (mm) (msec)
Nitrogen Nitrogen
N/A
25
25
N/A
112
250
6350
.100 2.5 .100 2.5
0
Argon
Air
N/A
50
25
N/A
53
100
2540
.120 3.0 .100 2.5
0
WARNING
Do not connect H17 (combustible gas) to the gas inputs (Pre/Postflow, Plasma, or Shield) at the same time as
Oxygen or Air.
* Use an arc transfer height (ignition height) of .300” (7.6 mm) for cutting and .100” (2.5 mm) for marking.
** Edge start recommended.
(Revised 08/03/2017)