Butterfly valves for adjusting the flow rate of hot air or flue gas on gas burners, prepared for attachment of an actuator IC 50, for control ratios up to 1:10, with angle-of-rotation indicator.
Butterfly valves for adjusting the flow rate of hot air or flue gas on gas burners, prepared for attachment of an actuator IC 50, for control ratios up to 1:10, with angle-of-rotation indicator.