Small once-through boiler

Small once-through boiler SEN Series SEN-100/200/300/400/500
We pursue economical choices and satisfaction with quality.
- Product Features
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- It is an economical boiler that generates dry steam in 3 to 4 minutes after ignition, saving fuel costs as there is no preheating load loss.
- It is a high-performance, high-efficiency boiler with a downward 3-pass combustion method equipped with uniquely structured heating fins.
- It is an easy-to-handle boiler that can automatically control water supply, operation, and burner combustion with a single switch.
- This boiler is designed and manufactured to have a heating area of less than 5㎡ and is easy for anyone to use as it does not require licenses or inspections.
- When equipped with the artificial intelligence control device SE-Ai system, operation and maintenance become easier. (Optional)
Product standard specifications performance table
Item\Type | Unit | SEN-100 | SEN-200 | SEN-300 | SEN-400 | SEN-500 | |
---|---|---|---|---|---|---|---|
Rated evaporation amount | kg/hr | 100 | 200 | 300 | 400 | 500 | |
Max. operating pressure | Mpa | 1 (10kg/㎠) | |||||
Heat output | MW | 0.07 | 0.15 | 0.22 | 0.3 | 0.37 | |
kcal/h | 64,370 | 128,740 | 193,110 | 257,480 | 321,850 | ||
Thermal efficiency | % | 87 | |||||
Heat transfer area | ㎡ | 3.1 | 4.2 | 4.9 | 4.95 | 4.99 | |
Quantity held | ℓ | 38 | 58 | 86 | 98 | 98 | |
Product weight | kg | 305 | 480 | 590 | 760 | 780 | |
Power used | V | 220V×1Ø | 220V×3Ø / 380V×3Ø×4W | ||||
Electrical capacity | Total power consumption | kw | 0.8 | 0.8 | 1.15 | 1.95 | 1.95 |
Burner motor | kw | 0.4 | 0.4 | 0.4 | 0.45 | 0.45 | |
Water pump | kw | 0.4 | 0.4 | 0.75 | 1.5 | 1.5 | |
Appearance | Width (W) | mm | 750 | 750 | 950 | 1,060 | 1,060 |
Length (L) | mm | 1,040 | 1,280 | 1,460 | 1,480 | 1,480 | |
Height (H) | mm | 1,620 | 1,820 | 1,920 | 2,050 | 2,150 | |
Combustion method | - | Forced pressure ventilation | |||||
Control method | - | ON-OFF control | |||||
Fuel consumption | Diesel | kg/h | 7.2 | 14.4 | 21.6 | 28.7 | 35.9 |
Boiler kerosene | kg/h | 7.1 | 14.3 | 21.4 | 38.5 | 35.7 | |
City gas(13A) | Nm³/h | 7.5 | 14.9 | 22.4 | 29.9 | 37.4 | |
LPG(Propane) | Nm³/h | 3.3 | 6.6 | 9.9 | 13.2 | 16.5 | |
kg/h | 6.7 | 13.4 | 20 | 26.7 | 33.4 | ||
LPG(Butane) | Nm³/h | 2.6 | 5.2 | 7.8 | 10.4 | 13 | |
kg/h | 6.8 | 13.5 | 20.3 | 27 | 33.8 | ||
Connection diameter | Steam outlet | A | 20 | 25 | 32 | 32 | 40 |
Water inlet | A | 20 | 20 | 20 | 25 | 25 | |
Drain | A | 25 | 25 | 25 | 25 | 25 | |
Safety valve | A | 25(low) | 25(low) | 25(low) | 32(low) | 32(low) | |
Fueling port | A | 15 | 15 | 15 | 15 | 15 | |
Fuel gas inlet | A | 25 | 25 | 32 | 32 | 40 | |
Flue | Ømm | 150 | 200 | 200 | 250 | 250 |
The above specification performance table is based on the following :
- Steam pressure 0.7MPa[7kg/㎠], steam enthalpy 2.76MJ/kg[660.8kcal/kg], water temperature 293˚k(20˚C)
- Low calorific value of fuel
- Diesel : 43.12MJ/kg (10,300kcal/kg)
- Boiler kerosene : 43.4MJ/kg (10,368kcal/kg)
- City gas(13A) : 41.45MJ/Nm3 (9,900kcal/Nm3)
- This specification performance table may be changed without notice for quality improvement.