This device uses the medium of air and operates at a maximum pressure of 15 bar with a temperature range of -10 to +50° C. It has a filtration grade of 5-20-50 µm. It has a 6 bar flow rate with ∆p 1 bar so that 1=1650 Nl/min, 2=300 Nl/min and 3=4500 Nl/min. Bowl capacity runs from 22 to 89 cm3. The regulation range is from 0-2 bar up to 0-12 bar, with wall clamping screws of different sizes.