Oil And Gas Fired Boiler


Steam Capacity:0.5~30t/h


Fuel:natural gas, city gas, LPG, heavy oil, diesel, and other oil gas fuels.

Application:textile plant, rice mill, garment factory, utility or power plant, hospital, hotel, food & beverage, diaries, schools, mushroom, etc.

Certification:ISO9001, CE, SGS, BV


WNS series oil gas fire tube boiler is a kind of safe and high efficiency heating equipment with full automatic control system, it is fast assemble boiler with horizontal type flue gas three pass structure and wet back structure, has the characteristics of compact structure, adapt to high temperature, convenient operation, low pollution and low noise when operating.



Performance Advantages


1. High Thermal Efficiency


1) Use spirally corrugated tube and large diameter corrugated furnace.

2) The boiler shell use aluminium silicate board for heat preservation, low heat loss.



2. Environmental Protection


Equipped with low NOx emission burner, high combustion efficiency, and the NOx emission is lower than 30mg/m3



3. Full Automatic Control Adopts



PLC full automatic intelligent control cabinet and interlock protection program, has the protection function of water shortage, over pressure, over temperature, gas leakage, flame out, electric leakage, and phrase-lacking or overloading of motor, etc.



4. High Safety Performance


Equipped with reliable boiler auxiliaries and multiple safety protection devices, to ensure the boiler safety operation.



5. Low Cost and Long Operation Life


Adopts proprietary technology of Sitong Boiler, the boiler is 100% butt welding, high quality, and long working life, low maintenance fee.




Rated evaporation

capacity (t/h)

Rated steam 

pressure (Mpa)

Thermal efficiency 


Fuel consumption

Overall dimension 




Body Heating 

Area (m2)

Light oil (Kg/h) Natural gas (Nm³/h)
WNS1-0.7/1.0-Y(Q) 1 0.7/1.0 >90 66.5 75 3.6×2.0×2.0 4 25
WNS2-1.0/1.25-Y(Q) 2 1.0/1.25 >90.2 133 150 4.8×2.5×2.46 8 60
WNS4-1.0/1.25-Y(Q) 4 1.0/1.25 >91 266 300 5.8×2.85×2.8 13 113
WNS6-1.25/1.6-Y(Q) 6 1.25/1.6 >91.5 399 450 7.25×3.1×3.15 19 181
WN8-1.25/1.6-Y(Q) 8 1.25/1.6 >91.6 532 600 7.45×3.26×3.2 22.6 190
WNS15-1.25/1.6-Y(Q) 15 1.25/1.6 >91.8 997 1125 8.7×3.7×3.5 34 346
WNS20-1.25/1.6-Y(Q) 20 1.25/1.6 >92 1204 1418 10×3.6×4.0 45 467
Note: Parameter is for reference only, we can design the boilers based on customers’ needs.


Contact us now if you have any question about our company and products info@stongboiler.com.

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