... 500kw, please contact our sales staff for further information.Natural Gas Generators & CHPs/CO-GENs1. The power ratings: 10kWe to ... lambda control system available for continuous running gas gensets/CHPs.11. Gas train: ball valve, gas filter, DUNGS solenoid valve & pressure switches.12 ... , ISO 8528, ISO 3046, CE, UL, CSA, EPA. 15. Factory test: all gensets are tested with min. 2 hours before delivery ...