CompAir C20 - C30 Volume flow 2 to 3 m3 / h & Operating pressure 7 to 10 bar The NEW Yanmar engine range is Stage V compliant and suitable for all models of the DLT0207 compressor family. Mechanically controlled engines provide optimum performance, do not have a Diesel Particulate Filter (DPF), but still meet EU off-road diesel engine requirements.