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DUNGS , DUNGS Vietnam , DUNGS Viet nam ,  DUNGS COMBUSTION CONTROLS , DUNGS COMBUSTION CONTROLS Vietnam

Description

The  FRG  ratio  regulator/zero  governor  has  an  adjustable  setpoint  spring  and  nonadjustable counterspring.

- Optional

Low   fire   bypass    for  ½  in. NPT to 2 in. NPT models. Ideal for low flow   or  for  high   turndown

applications.

-   Steady,  precise  and  instantaneous  regulation of the outlet pressure.

-   Connection for air impulse line.

-    Inlet  and  outlet  ¼  in.  NPT  test  ports  on each side.

-    Factory  installed  vent  limiter.  Review  applicable codes for vent line requirements.

Application (General)

The FRG is recommended for industrial and commercial heating applications. It is suitable for dry natural gas, propane, butane, air and inert gases. Suitable for up to 0.1 % by volume, dry H2S.Application (Ratio Regulator) Holds  a  constant  gas/air  ratio  during turndown by  varying    gas   flow   to  the burner  in  proportion  to  combustion  air  flow.   Adjustable ratio   for  excess    gas   or air operation. Application (Zero Governor) Controls fuel by reducing incoming gas pressure to zero or adjustable to slightly above or below atmospheric pressure.

 
 
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