Dungs 226463 Proportionator/Zero Governor FRG 720/6, 2" NPT

The Dungs FRG Proportionator/zero governor has an adjustable set point spring and nonadjustable counterspring. Internal sensor for regulating output pressure. The governor holds a constant gas/air ratio by varying gas flow to the burner in proportion to combustion air flow. Recommended for industrial and commerical heating applications and is suitable for natural gas, propane, butane, air and other inert gases.

OLD PART NUMBER #226-463