... device, relief valve, pressure controller, the duradbe calorific wire for water level gauge, each boiler welding seam has passed X ... Equipment Supervision & lnspection Dept. steam boiler, water boiler, heating boiler, pellet stove, stove, electric stove, electric generator, residential boiler, residential generator ... 50 Hz 380V.3PH.50 Hz6912(9)630*360*980(Sonde) 630*380*950(Floating ball)DLD12(9)-0.4-1 ...