Steam boiler WNS series

hot watergassmoke tube

WNS Oil Fired Boiler Product Description WNS series gas fired steam boiler is three-pass full wet back structure, adopting large furnace and thick smoke pipe to increase the heat absorption of the furnace and effectively save energy and reduce consumption. The threaded pipe and corrugated furnace greatly enhance the heat transfer effect and greatly save fuel consumption. The main structure includes: boiler shell, ripple furnace, reversal chamber, thread smoke tube, etc. The burner brand can be chosen according to user’ s requirement. WNS series gas fired steam boiler is designed and optimized to produce low pressure steam or hot water with rated evaporation capacity from 1 to 20 ton/hour and rated pressure from 0.7 to 1.6MPa. The design heat efficiency is up to 95%. Features: 1. There is more heating surface to spare to assure running of full load and overcharge. 2. The boilers are matched with imported burner of European brand. Proportional control, procedure ignition, automatic blowing and flameout protective device. The burning efficiency is over 99.5%. 3. The furnace shape is fit for the shape of flame, avoiding the flame washing out the heating surface area. 4. The temperature of rear flue chamber is low so that the operators feel comfortable and safe. 5. Boiler adopts light quality thermal insulation material: aluminum silicate fiber, good heat preservation, less heat lost, high heating efficiency. 6. The automatic control box adopts full automatic operating to actualize auto-igniting and auto-outage. And it also has manual switch.