Tweco Max 300 w-Merlin 6000GST User Manual
Page 60
APPENDIX
A-14
Man
ual 0-2642
APPENDIX 2:
CUTTING SPEED CHAR
TS FOR
MERLIN 6000GST SYSTEMS (contin
ued)
NOTE
If the Optional Secondary Gas/Water Flow Control is used on the Gas Control Module, then the Gas HIGH-FLOW/LOW-FLOW
switch must be in the HIGH-FLOW position.
US Measurements
Oxygen Plasma Cutting Data Chart
Maximizer 300 Torch
Mild Steel - Underwater (Water Table)
Oxygen Plasma / Air Secondary
Electrode
Gas
Distributor
Tip
End Cap
Amperage
Output
Volts
Speed
Standoff
Preflow
Pressure
Preflow
Flowball
Plasma
Pressure
Plasma
Flowball
Secondary
Pressure
Pierce
Delay
Pierce
Height
inches
Gauge
Cat. No.
Cat. No.
Cat. No.
Cat. No.
amps
vdc
inches/min
inches
psi
psi
psi
seconds
inches
1/16
16
20-1018
20-0008
20-1031
20-1028
100
125
400
0.188
90
76
100
92
75
0.00
0.250
1/8
10
20-1018
20-0008
20-1031
20-1028
100
125
275
0.188
90
76
100
92
75
0.00
0.250
3/16
7
20-1018
20-0008
20-1031
20-1028
100
130
185
0.188
90
76
100
92
75
0.00
0.250
1/4
20-1018
20-0008
20-1031
20-1028
100
130
125
0.188
90
76
100
92
75
0.00
0.250
3/8
20-1018
20-0008
20-1031
20-1028
100
130
75
0.188
90
76
100
92
75
0.25
0.250
1/4
20-1010
20-0008
20-1032
20-1028
150
121
150
0.188
90
76
100
92
75
0.10
0.250
3/8
20-1010
20-0008
20-1032
20-1028
150
125
100
0.188
90
76
100
92
75
0.10
0.250
1/2
20-1010
20-0008
20-1032
20-1028
150
130
65
0.188
90
76
100
92
75
0.20
0.250
5/8
20-1010
20-0008
20-1032
20-1028
150
135
55
0.188
90
76
100
92
75
0.20
0.250
3/4
20-1010
20-0008
20-1032
20-1028
150
140
40
0.188
90
76
100
92
75
0.50
0.500
1/2
20-1010
20-0008
20-1033
20-1028
225
135
100
0.250
105
69
90
90
75
0.25
0.375
5/8
20-1010
20-0008
20-1033
20-1028
225
135
75
0.250
105
69
90
90
75
0.25
0.375
3/4
20-1010
20-0008
20-1033
20-1028
225
135
50
0.250
105
69
90
90
75
0.25
0.375
1
20-1010
20-0008
20-1033
20-1028
225
140
40
0.250
105
69
90
90
75
0.50
0.375
3/4
20-1021
20-1009
20-1034
20-1028
300
135
65
0.375
105
86
90
120
75
0.25
0.500
1
20-1021
20-1009
20-1034
20-1028
300
140
50
0.375
105
86
90
120
75
0.50
0.500
1 1/4
20-1021
20-1009
20-1034
20-1028
300
145
30
0.375
105
86
90
120
75
NR
NR
1 1/2
20-1021
20-1009
20-1034
20-1028
300
145
20
0.250
105
86
90
120
75
NR
NR
Material
Thickness
Art # A-02704
Torch Body
180˚ 9-6410
70˚ 9-6457 90˚: 9-6459
End Cap
(See Chart)
Tip
(See Chart)
Gas Distributor
(See Chart)
Electrode
(See Chart)
Shield Cup Body
No. 20-1029
NOTE:
If using a torch height control which
offers an ohmic sensing feature, se-
lect a shield cup body with an ohmic
clip tab. Use catalog # 20-1427 for
normal cutting and catalog 20-1428
for cutting underwater.