... , ISO9001, 2008, 14001, 2004, 2007 and OHSAS18001 Gas type: Natural gas, biogas, CBM etc.Gas Generator Set Features:1. There should not contain ... liquid water or particulate matter(impurity <5um)2. Gas calorific value ≥ 5000kca1/1, genset power will reduce when calorific ... to be destroied when sulfide content goes too high.4. Electronic air/gas mixer, which can supply best air fuel ratio to ...