SETUP
1
powermax1250 Operator Manual 3-9
Plasma gas supply
The gas supply for the Powermax1250 can be shop compressed air or cylinder compressed
air. A high-pressure regulator must be used on either type of supply and must be capable of
delivering gas to the filter on the power supply at 400 scfh/6.7 scfm (189 l/min), minimum flow
rate, at a minimum pressure of 90 psig (6.1 bar). If gas supply quality is poor, cut speeds
decrease, cut quality deteriorates, cutting thickness capability decreases, and parts life
shortens.
Gas supply
Powermax1250
Water/particle filter Oil filter Oil vapor filter
Additional gas filtration
Use Hypertherm filter kit, part number 128647, when site conditions introduce moisture, oil or
other particulates into the air line. A 3-stage coalescing filtration system, as shown, can also be
used.
WARNING
Do not allow the air inlet pressure to the filter on the power supply to exceed
120 psi (8.3 bar). The filter bowl may explode if this pressure is exceeded.
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