The DUNGS Proportionator/Zero Governor Regulator FRG 7../6 proportionator/zero governor has an adjustable setpoint spring and nonadjustable counterspring. The DUNGS Proportionator/Zero Governor Regulator FRG 7../6 is recommended for industrial and commercial heating applications. It is suitable for natural gas, propane, butane, air and other inert gases.
Holds a constant gas/air ratio by varying gas flow to a gas burning piece of equipment 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. Aluminum body; Two upstream and downstream taps; air impulse line on top; Refer to selection guide for technical specifics, flow and pressure drop. Optional low fire bypass (part # 225256) for 705/6, 707/6, 710/6, 712/6, 715/6, 720/6.
|Maximum Operating Pressure||PROPORTIONATOR 7 PSI (500 mbar); 5 PSI (360 mbar) CSA/ ZERO GOVERNOR 7 PSI (500 mbar) (5 PSI CSA)|
|Optimal Input Pressure Range||PROPORTIONATOR 2-82 in. W.C (5-200mbar)/ ZERO GOVERNOR 2-20 in. W.C (5PSI CSA)|
|Output Pressure Range||PROPORTIONATOR 4-60 in. W.C (10-150 mbar)/ ZERO GOVERNOR -2 to 2 in. W.C (-5 TO 5 mbar)|
|Ambient Temperature Rating||+5F to +160F (-15C to +70C)|
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