... 4.CE,ISO14001,ISO9001 General introductionRLBF-C series ultrasonic heat flow meter is consisted of flow sensor, microprocessor ... . Alarms by closing the valve when remaining heat power is on limiting level9. Automatically valve testing technology10. Ultra-low ... (water meter, energy meter, gas meter and heat energy meter)Technique SpecificationsProduction EquipmentThe WorkshopRLBF-C---measure by ...