4 ton three return gas fired steam boiler in Saudi Arabia

4 ton three return gas fired steam boiler in Saudi Arabia
Design of fuel: natural gas, thermal efficiency is greater than 92%
Being fully automatic fuel gas boiler is fast loading horizontal internal-combustion three return fire tube structure. Using offset furnace wet type is decorated, in high temperature flue gas flushing second and third return pipe, and the smoke chamber through the chimney into the atmosphere. USES threaded pipe and waveform internal furnace, heat transfer effect is greatly enhanced, greatly saves fuel consumption.
Configuration of world famous brand of the boiler burner, the combustion automatic proportional control, automatic feed water adjust, start-stop, advanced technologies such as automatic operation, and has running water temperature control, overtemperature and overpressure flameout automatic protection function.