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.
5-34
Stainless Steel - 275 Amps - Copper Electrode
Air Plasma / Nitrogen Shield / Air Preflow & Postflow
This gas combination gives medium cut quality and minimum dross levels
Shield Cap
Nozzle
Electrode
BK277263
BK277276
BK277270
Outer Cap
Retaining Cap
Swirl Ring
Torch Head
BK284150
BK277266
BK277258
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
20
73
70
75
143
120
.125
.300
600
.165
5/8
148
90
.140
.350
800
3/4
152
80
.180
.400
1200
.170
1.0
165
55
.210
.450
1500
1.25 **
175
35
.250
.350
.180
1.50 **
185
25
.300
.350
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
20
73
70
75
141
3220
3.1
7.3
600
4.2
16
148
2275
3.6
8.9
800
20
153
1940
4.7
10.3
1500
4.3
25
164
1435
5.2
11.3
32 **
175
880
6.4
8.9
4.6
38 **
184
640
7.5
8.9
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
108
250
6350
.100 2.5 .100 2.5
0
Argon
Nitrogen
N/A
50
25
N/A
55
100
2540
.130 3.3 .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 .250” (6.4 mm) for cutting and .100” (2.5 mm) for marking.
** Edge start recommended.
(Revised 04/26/2013)