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  • Designed specifically for Dry Low NOx Pilot
  • Little effect from back pressure changes
  • Very Accurate Flow Measurement Designed for low flow with high back pressure applications
  • Standard 24vdc 1 amp Electrical Requirement

The AGV50 Pilot Valve is a gas metering valve that was specifically designed to meet the demanding requirements of a pilot valve in a Dry Low Nox application. These applications place additional demands on a fuel system because of the nature of the combustion process in a low NOx environment.

The precise flow requirements in Low NOx combustion systems create problems with fuel flow because the turbine is running lean. The Pilot Valve application is demanding because of the high back pressure and low fuel flow. The Pilot valve is designed to operate only in a subsonic mode. If the valve were allowed to operate in a supersonic mode, different flow equations would need to be worked out to produce appropriate fuel flow and sometimes these resulting conditions can be difficult to anticipate.

In the pilot valve design design, the length of the valve has been increased to improve measurement capabilities and decrease back pressure problems. The valve was designed to a more traditional length for use with a venturi for flow measurement. This valve also requires only a low voltage 24VDC 1 amp power supply and not a high voltage power source associated with some competing systems.