Installation and Setup
36 809240 Operator Manual Powermax45 XP
High-pressure gas cylinders
You can use the following gases to cut with this system. See Hypertherm plasma power supply
ratings on page 21 for requirements on gas quality.
Air
Nitrogen
F5 (stainless steel only – see page 111)
Argon (recommended for marking applications only – see page 114)
If you use high-pressure gas cylinders as the gas supply:
Refer to the manufacturer’s specifications for installation and maintenance procedures of
high-pressure regulators.
Make sure the cylinder valves are clean and free of oil, grease, and other contaminants.
Open each cylinder valve just long enough to blow out any dust that may be present.
Make sure the cylinder is equipped with an adjustable high-pressure regulator that is
capable of:
Gas outlet pressures up to 6.9 bar (100 psi). Never exceed the maximum gas
pressure of 9.3 bar (135 psi).
Gas flow rates of 235.9 L/min (500 scfh).
Connect the supply hose securely to the cylinder.
WARNING
GAS CYLINDERS CAN EXPLODE IF DAMAGED
Gas cylinders contain gas under high pressure. If damaged, a cylinder can explode.
For high pressure regulators, adhere to the manufacturer’s guidelines for safe
installation, operation, and maintenance.
Before plasma cutting with compressed gas, read the safety instructions in the
Safety and Compliance Manual (80669C). Failure to follow safety instructions can
result in personal injury or in damage to equipment.
WARNING
EXPLOSION HAZARD – CUTTING WITH FUEL GASES
Do not use combustible fuel gases or oxidizing gases with Powermax systems.
These gases can result in explosive conditions during plasma cutting operations.
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