Automatic Fire Tube Industrial Oil Gas Steam Boiler

Certification: GB, ISO, ASME, CE, ECA
After-sales Service Provided: Engineers available to service machinery overseas
Voltage Used Widely: 220-460V/50-60Hz
Electric Control: Fully automatic
Rated Steam Temperature: 170-204℃
Design Efficiency:≥94%


  • This series boiler are designed as per the combustion characteristics of fuel oil and fuel gas, improving heat transfer, reducing smoke emission temperature. Decrease dust / SO2 / NOx emission.
  • Available fuel: diesel, light oil, food oil, heavy oil; natural gas, LPG, Propane, biogas;
  • Application field: Service industry (Hotel, Laundry, School, Hospital, Central heating, etc.), Processing industry (Food & beverage processing plant, Plastic processing plant, Paper mill, Textile mill, Pharmaceutical factory, Animal feed factory, Bio-diesel refinery, etc.)

Characteristics of the product:

1. Boiler adopts wet back & three-pass structure to improve thermal efficiency and extend the boiler service life.
2. Burner adopts two stages progressive, fuel combustion can achieve automatic adjustment to save energy, also decrease dust / SO2 / NOx emission.
3. Complete system can achieve automatic burner control control & water pump control & water level indication & alarming & safety indication.
4. Thermal efficiency can improve 2-3% with energy saver.

Item\Model WNS2-1.25-Y(Q) WNS3-1.25-Y(Q) WNS4-1.25-Y(Q) WNS6-1.25-Y(Q) WNS8-1.25-Y(Q)
Rated capacity kg/h 2000 3000 4000 6000 8000
Rated working pressure MPa 0.7 / 1.0 / 1.25
Rated steam temperature ℃ 170 / 184 / 194
Design efficiency % ≥ 92
Fuel consumption light oil kg/h 146 210 285 424.8 560
heavy oil kg/h 156.5 225.1 305.5 455.3 600.2
natural gas Nm³/h 174.3 250.7 340 507.1 668.6
Chimney diameter ф350 ф450 ф500 ф500 ф600
Largest transportation size L (mm) 3400 4500 4600 4800 6400
W (mm) 2100 2600 2550 2750 2750
H (mm) 2368 2600 2604 2950 3114
Notes:This form only for your reference, if any changed, please refer to factory technical documents.

Spirit: Supply Reliable & high efficient heating system

1. More than 800 sets of boilers (5000 t/h) can be produced by us per year. Class A boiler manufacturer. Class A1, A2 pressure vessel manufacturer.
2. Each boiler system parts is from first class brand all over the world or China.
3. Strict quality control system. From the material, welding, to finished boiler shipment. From project establishment, drawing design, to final audit.
4. We are the stable and long term supplier of many Top 500 Groups all over the world. Such as Petro China, Sinopec, Nestle, Mercedes-Benz, Coca cola, etc.

Our Services:

1. 100%safety, running stably, excellent water level and pressure control, fully automatic operation.
2. Boiler running life > 20 years.
3. Good after-sale service. It is free for you to get the damaged spares in warranty period (1 year) if there is any questions. Assure that we can supply you spares in boiler’s all life.
4. We can arrange engineer to your company for installation and commissioning and training. If you need us at any time, we can send our technicians and prepare in a short time.
5. Special paint is used after assembly. Paint is particularly used in your climate area, which is anti-corrosion, anti-abrasion and color-fastness.

 Why do you choose our boiler? 

1. Lower dust emission & SO2 emission & NOx emission, dust emission concentration < 30mg/m³, SO2 & NOx emission concentration < 18mg/m³.
2. We supply 2 units water pump (one duty one standby) which from the famous pump manufacturer.
3. Boiler can achieve automatic temperature control & pressure control & feed water control & feed fuel control & safety indication. We also freely supply you a set of inner parts of electric controller for standby.
4. Boiler with stainless cladding, anti-corrosion & anti-rust & beautiful appearance.
5. Comprehensive after-sales service. We can design layout drawings of boiler system according to your actual requirement. Also can dispatch engineer to guide installation & commissioning.


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