Twin stage, aluminium, inline design. Steel reed valves.
Crankcase are from aluminium alloy.
Crankshaft and cylinders are from cast iron.
Pressure: 11 bar
(15 bar is under qualification)
High volumetric efficiency of 76%
Low speed pumps:
Lower speed of the pump – lower noise emission from the pump
Robust metal canopy with layer of noise-insulating foam on all panels
Optimized air flow to reduce noise
Integrated air buffer to avoid air pulsation in the vessel