Hypertherm HyPrecision Predictive P-15 Operator's Manual page 179

8 – Pump specifications
Compressed air
Minimum Maximum
4.8 bar 5.5 bar
Flow
(70 psi) (80 psi)
Air pressure that is too low can prevent the bleed-down valve from closing and can cause the intensifier to
overstroke.
Air pressure that is too high can cause damage to the needle and the seat in the bleed-down valve.
HyPrecision Predictive waterjet pump Operator Manual 810120 179