VICTOR EQUIPMENT MTH-M, N & P
Cut Chart Data Sheet
LOW PREHEAT ***
HIGH PREHEAT **
0.47273
PRE-HEAT
FUEL
PRE-HEAT
OXYGEN
PRE-HEAT
FUEL
PRE-HEAT
OXYGEN
CUTTING
OXYGEN
Material
Thickness
(mm)
Tip
Size
Kerf
Width
(mm)
Pre-Heat
Time
(sec)
Pierce
Time
(sec
Low
Speed
(mm/min)
High
Speed
(mm/min)
Pressure
(PSI) *
Flow
(l/min)
Pressure
(PSI) *
Flow
(l/min)
Pressure
(PSI) *
Flow
(l/min)
Pressure
(PSI) *
Flow
(l/min)
Pressure
(PSI) *
Flow
(l/min)
6
00
1.3
10
2
584
762
5
12
10
11
10
24
20
24
90
35
10
00
1.3
15
3
559
737
"
"
"
"
"
"
"
"
"
35
13
0
1.5
20
4
508
711
"
"
"
"
"
"
"
"
"
57
19
0
1.5
40
4
457
660
"
"
"
"
"
"
"
"
"
54
25
1
1.8
60
4
432
610
"
"
"
"
"
"
"
"
"
76
32
1
1.8
70
5
406
508
"
"
"
"
"
"
"
"
"
76
38
1
1.8
80
5
305
406
"
"
"
"
"
"
"
"
"
76
50
2
2.3
90
6
279
381
"
"
"
"
"
"
"
"
"
118
64
2
2.3
120
8
254
330
"
"
"
"
"
"
"
"
"
118
75
2
2.3
150
10
229
279
"
"
"
"
"
"
"
"
"
118
100
3
2.8
180
10
178
254
"
"
"
"
"
"
"
"
"
151
125
3
2.8
****
****
152
203
"
"
"
"
"
"
"
"
"
151
150
3
2.8
****
****
127
178
"
"
"
"
"
"
"
"
"
151
175
4
3.6
****
****
127
152
"
"
"
"
"
"
"
"
"
213
200
4
3.6
****
****
102
152
"
"
"
"
"
"
"
"
"
213
225
5
4.6
****
****
102
127
"
"
"
"
"
"
"
"
"
340
250
5
4.6
****
****
76
127
"
"
"
"
"
"
"
"
"
340
**** Pre-heat Times and Pierce Times are significantly affected by high pre-heat flame settings. Experimentation is required.
Set high pre-heat fuel pressure to 10 PSI using supply regulators
Set high pre-heat oxygen pressure to 20 PSI using supply regulators
Light torch and adjust a very aggressive neutral flame using torch needle valves
Set low pre-heat fuel pressure to 5 PSI using manifold regulators - preliminary setting
Adjust Hi/Low Preheat manifold regulator pressures to create appropriate neutral flame ( DO NOT USE TORCH NEEDLE VALVES)
CUTTING OXYGEN ADJUSTMENT PROCEDURE
Set supply pressure for cutting oxygen pressure at supply regulator to exceed 90 PSI
Adjust Cutting Oxygen pressure on Hi/Low Preheat manifold regulator to 90 PSI.
STEP #3
* All pressure are measured at the torch inlet for the MTH Series tips
Set low pre-heat oxygen pressure to 10 PSI using manifold regulators - preliminary setting
** HIGH PRE-HEAT ADJUSTMENT PROCEDURE
*** LOW PRE-HEAT ADJUSTMENT PROCEDURE
GAS PRESSURE ADJUSTMENT PROCEDURE
STEP #1
STEP #2
430 W. Clay St. Valley Center, KS 67147
Phone: (316) 755-3683 Fax:(316) 755-1675
www.retroplasma.com
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