Lincoln Electric SPIRIT II 150 Technical Manual page 94

Section 5: Torch Consumables and Cutting Charts
Air Plasma / Nitrogen Shield / Air Preflow & Postflow
Shield Cap
BK277117
Outer Cap
BK284150
Imperial*
Material
Preflow
Thickness
(in) (psi)
1/4
3/8
1/2 20
5/8
3/4
Metric*
Material
Preflow
Thickness
(mm) (psi)
6
10
12 20
16
20
Marking* – For All Material Thicknesses
Type of Gas Preflow
(Plasma) (Shield) (psi)
Nitrogen Nitrogen N/A
Argon Air N/A
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.
(Revised 04/26/2013)
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.
Aluminum - 150 Amps - Copper Electrode
Nozzle
BK277293
Retaining Cap
BK277152
Plasma Shield Postflow
(psi) (psi) (psi)
71 50 69
Plasma Shield Postflow
(psi) (psi) (psi)
71 50 69
Plasma Shield Postflow
(psi) (psi) (psi)
25 25 N/A
50 25 N/A
5-32
Electrode
BK277292
Swirl Ring
BK277139
Arc Travel Cutting
Voltage Speed Height
(volts) (ipm) (in)
145 145 .130
155 115 .185
165 90 .230
65
170 .250
45
Arc Travel Cutting
Voltage Speed Height
(volts) (mm/m) (mm)
143 3770 3.1
156 2825 4.8
162 2430 5.5
170 1630
6.4
170 990
Arc Travel
Voltage Speed
(volts) (ipm) (mm/min) (in)
135 250 6350 .100
69 100 2540 .100
Spirit II User's Manual
Torch Head
BK279100
Pierce Pierce Kerf
Height Time Width
(in) (msec) (in)
.250 400
.125
.275 500
.300 600 .130
.325 800 .135
.350 1200 .140
Pierce Pierce Kerf
Height Time Width
(mm) (msec) (mm)
6.3 400
3.2
7.0
600
7.4 3.3
8.3 3.4
1200
9.0 3.6
Marking Initial Pierce
Height Height Time
(mm) (in) (mm) (msec)
2.5 .100 2.5 0
2.5 .100 2.5 0