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WSN type automatic oil (gas) fired boiler adopts international classic structure: the combustion chamber uses corrugated internal furnace which effectively increases the heat exchanging area and extending the life span of equipments. Three-pass structured fire tube is bilaterally symmetrical, ensuring the best condition of area and efficiency of heat exchange. Completely automatic operation and wholly automatic combustion adjustment through computer program, the steam boiler has the strong points of automatic control water level and steam overburden automatic protection. The hot water boiler has alarming and protecting function in case of overheat, overpressure and too low pressure so as to ensure safe operation of combustion. Usage: The boilers are equipped with internationally advanced imported burner, possessing very high burning efficiency (higher than 86%). The emission of smoke and dust complies with the national rules in environmental protection areas. It can meet the needs of various industrial and mining enterprises, hotels, hospitals, carrier industry, and so on. No.ItemUnitTechnical Specification1Name WNS0.7-0.7/95/70-Y(Q)WNS1.4-0.7/95/70-Y(Q)WNS2.1-0.7/95/70-Y(Q)WNS2.8-0.7/95/70-Y(Q)WNS3.5-0.7/95/70-Y(Q)WNS4.2-0.7/95/70-Y(Q)WNS5.6-1.0/9115/70-Y(Q)WNS7-1.0/115/70-Y(Q)2Thermal PowerMW0.71.42.12.83.54.25.673Outlet/back water temperature°C95/7095/7095/7095/7095/7095/70115/70115/704Working PressureMPa0.70.70.70.70.70.71.01.05Circulating Water Volumet /h244872961201441331336Thermal Efficiency%88.788.788.789.689.689.689.689.97Fuel Availablelight diesel oil, heavy oil, natural gas, liquid gas, town gas8Light Diesel Oil ConsumptionKg/h661321982643503965286609Natural Gas ConsumptionNm³/h7615222830438045660876010Water Capacitym³45.16.391011.5151811External dimensionM3.9×2.0×2.34.5×2.5×2.44.6×2.5×2.66.1×2.89×2.885.6×2.8×3.36.3×3.2×3.37×3.2×3.37×3.2×3.612WeightT89.510.512.51618222713Valve Outlet Openingmm8010012512515015015015014Chimney Diametermm350350450450450450450500