Spirit II User’s Manual
Section 5: Torch Consumables and Cutting Charts
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.
5-17
Mild Steel - 70 Amps - Copper Electrode
Oxygen Plasma / Air Shield / Air Preflow & Postflow
Shield Cap
Nozzle
Electrode
BK277150
BK277125
BK277131
Outer Cap
Retaining Cap
Swirl Ring
Torch Head
BK284150
BK277153
BK277142
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)
1/8
25
76
35
74
110
190
.100
.150
100
.056
3/16
40
113
130
.200
200
.057
1/4
116
120
.110
.225
300
.059
3/8
122
75
.140
.250
400
.065
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)
3
25
76
35
74
109
4995
2.5
3.6
100
1.4
5
40
113
3265
5.1
300
1.5
6
115
3105
2.7
5.5
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
.096 2.4 .100 2.5
0
Argon
Air
N/A
50
25
N/A
62
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 .150” (3.8 mm) for cutting and .100” (2.5 mm) for marking.
(Revised 08/03/2017)