Section 5: Torch Consumables and Cutting Charts
Spirit II User’s Manual
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non-U.S. persons or transferred by any means to any location outside the United States contrary to the requirements of the EAR.
5-46
Mild Steel - 150 Amps - Silver Electrode
Oxygen Plasma / Air Shield / Air Preflow & Postflow
Shield Cap
Nozzle
Electrode
BK277117
BK279493
BK279420
(green o-ring)
Outer Cap
Retaining Cap
Swirl Ring
Torch Head
BK284150
BK277151/BK 277152
BK279439
BK279060
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)
Retaining Cap BK277151
1/4
20
71
30
69
118
165
.105
.200
300
0.085
3/8
123
125
.135
.250
400
0.090
1/2
125
90
.140
.300
500
0.094
Retaining Cap BK277152
5/8
20
71
45
69
127
70
.140
.325
600
0.099
3/4
130
55
.350
1000
0.104
1
134
40
.150
.400
1500
0.115
1.25
145
25
.200
.700
3000
0.126
1.50 **
155
15
.225
.350
1500
0.139
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)
Retaining Cap BK277151
6
20
71
30
69
117
4305
2.6
4.9
300
2.2
10
123
3040
3.4
6.5
500
2.3
12
124
2485
3.5
7.3
2.4
Retaining Cap BK277152
16
20
71
45
69
127
1760
3.6
8.3
1000
2.5
20
130
1340
9.0
1500
2.7
25
133
1040
3.7
10.1
2.9
32
145
625
5.1
17.8
3000
3.2
38 **
154
385
5.6
8.9
1500
3.5
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
135
250
6350
.100 2.5 .100 2.5
0
Argon
Air
N/A
50
25
N/A
61
100
2540
.100 2.5 .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 .200” (5.1 mm) for cutting and .100” (2.5 mm) for marking.
** Edge start recommended.
(Revised 08/03/2017)