FRNG 515 - Zero Pressure Regulator 1 1/2" NPT by Dungs
FRNG 515 (209064)
- 1-1/2” Rp
- Refer to Sales Brochure for Specific Output Ranges
- No Repair Kit Available
- Formerly: 209-064
Description
The DUNGS FRNG 5../10 proportionator/zero governor has an adjustable setpoint spring and
nonadjustable counter spring. The DUNGS FRNG 5../10 is recommended for industrial and
commercial heating applications. It is suitable for natural gas, propane, butane, air and other
inert gases.
Application (Proportionator)
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.
Specifications Proportionator
Max. Operating Pressure
7 PSI (500 mbar)
Optimal Input Pressure Range
2 to 82 in. W.C. (5 mbar to 200 mbar)
Output Pressure Range
0 to 60 in. W.C. (10 mbar to 150 mbar)
Ambient Temperature Rating
+5 F to +160 F (-15 C to +70 C)
Specifications Zero Governor
Max. Operating Pressure
7 PSI (500 mbar)
Optimal Input Pressure Range
2 to 20 in. W.C. (5 mbar to 50 mbar)
Output Pressure Range
-1.2 to 2 in. W.C. (-5 mbar to 5 mbar)
Ambient Temperature Rating
+5 F to +160 F (-15 C to +70 C)
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 for 3/8” - 2” (225256).