Powermax105 Operator Manual 2-11
Prepare the gas supply
The air can be supplied by a compressor or from high-pressure cylinders. A high-pressure regulator must be used on
either type of supply and must be capable of delivering gas to the air inlet on the power supply.
If the supply quality is poor, cut speeds decrease, cut quality deteriorates, cutting thickness capability decreases,
and the life of the consumables shortens. To address these issues, use an optional air filtration system, such as the
Hypertherm Eliminizer filter kit (228890). For optimal performance, the gas should be compliant with ISO8573-1:2010,
Class 1.2.2 (that is, it should have a maximum number of solid particulate per m
3
of <20,000 for particle sizes in the
range of 0.1-0.5 microns, <400 for particle sizes in the range of 0.5-1 microns, and <10 for particle sizes in the range
of 1-5 microns). The maximum water vapor dew point should be <-40° C (-40° F). The maximum oil (aerosol, liquid, and
vapor) content should be less than 0.1 mg/m
3
.
Additional gas filtration
When site conditions introduce moisture, oil, or other contaminants into the gas line, use a 3-stage coalescing filtration
system. A 3-stage filtering system works as shown below toclean contaminants from the gas supply.
The filtering system should be installed between the gas supply and the power supply. Additional gas filtration may
increase the required minimum inlet pressure.
Gas supply
Powermax105
Water and particle filter Oil filter Oil vapor filter
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