English to Italian Tech/Engineering Other fuel quality monitoring device

The table below gives suggested acceptable contamination levels for various systems, with some
important levels highlighted

World Wide Fuel Charter cleanliness standard for diesel fuel delivered from the filling station nozzle.
High quality reliable systems
General machine requirements
Valve and piston pumps/motors
Directional and pressure control valves
Highly sophisticated systems and hydrostatic transmissions
Proportional valves
***Performance servo**** and high Pressure long-life systems
e.g. Aircraft machine tools, etc