Lincoln Electric SPIRIT II 275 Technical Manual page 112

Section 5: Torch Consumables and Cutting Charts
Air Plasma / Nitrogen Shield / Air Preflow & Postflow
Shield Cap
BK277274
Outer Cap
BK284150
Imperial*
Material
Preflow
Thickness
(in) (psi)
1/4
3/8
1/2
20
5/8
3/4
1.0 **
Metric*
Material
Preflow
Thickness
(mm) (psi)
6
10
12
20
16
20
25 **
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) as an input gas (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)
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 - 200 Amps - Silver Electrode
Nozzle
BK279489
Retaining Cap
BK277266
Plasma Shield Postflow
(psi) (psi) (psi)
74 58 72
Plasma Shield Postflow
(psi) (psi) (psi)
74 58 72
Plasma Shield Postflow
(psi) (psi) (psi)
25 25 N/A
50 25 N/A
5-50
Electrode
BK279440
(yellow o-ring)
Swirl Ring
BK279443
Arc Travel Cutting
Voltage Speed Height
(volts) (ipm) (in)
150 190 .135
145 .140
155
110
.135
95
160
65 .150
175 35 .200
Arc Travel Cutting
Voltage Speed Height
(volts) (mm/m) (mm)
149 4955 3.3
3545 3.5
155
2995
3.4
160 2380
162 1575 3.9
174 940 5.0
Arc Travel
Voltage Speed
(volts) (ipm) (mm/min) (in)
120 250 6350 .100
71 100 2540 .100
Spirit II User's Manual
Torch Head
BK279060
Pierce Pierce Kerf
Height Time Width
(in) (msec) (in)
.250 300
.150
.275 400
.300 500
.155
.350 600
800 .160
.400
1000 .170
Pierce Pierce Kerf
Height Time Width
(mm) (msec) (mm)
6.3 300
3.8
7.0
500
7.4
3.9
8.9 800
4.1
10.2 1000
4.3
Marking Initial Pierce
Height Height Time
(mm) (in) (mm) (msec)
2.5 .100 2.5 0
2.5 .100 2.5 0