Dungs 220967 Model 503 Proportionator Zero Governor

Manufacturer: Dungs

Part Number: 220967

Sku:

347179

More Information
Manufacturer Dungs
SKU 347179
Part Number 220967
Product Name Dungs 220967 Model 503 Proportionator Zero Governor
Inlet Gas Pressure 20"w.c. to 82"w.c.
Outlet Gas Pressure -1.2"w.c. to 60"w.c.
Process Connection Size 3/8" RP
Process Temp Limits 5 to 160 F
Dungs Model Number FRNG 503

Dungs 220967 Model 503 proportionator/zero governor regulators have an adjustable setpoint spring and nonadjustable counterspring. They are 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. Features: 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).

Input gas pressure for Proportionator: 2 to 82 in. W.C. (5 to 200 mbar); Zero Governor: 2 to 20 in. W.C. (5 to 50 mbar). Output gas pressure for Proportionator: 0 to 60 in. W.C. (0 to 150 mbar); Zero Governor: -1.2 to 2 in. W.C. (-3 to 5 mbar) See spring selection. Max operating pressure: 7 PSI (500 mbar); 5 PSI (360 mbar) CSA applications.