FieAt the heart of the Delta Blower is the Aerzen three lobe positive displacement blower with patented pulsation cancellation technology. For this biogas application, the blower stage features a gastight driveshaft seal with grease barrier. Depending on the humidity content of the gas conveying chamber seals and corrosion inhibiting Chem-Coat coating of the process wetted parts is availible. There are no absorbtion materials in the discharge silencer.