Small once-through boiler

go contentes

Small once-through boiler

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
  • 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 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
    1. Diesel : 43.12MJ/kg (10,300kcal/kg)
    2. Boiler kerosene : 43.4MJ/kg (10,368kcal/kg)
    3. City gas(13A) : 41.45MJ/Nm3 (9,900kcal/Nm3)
  • This specification performance table may be changed without notice for quality improvement.
view table

Sekwang Boiler Co.,Ltd.Sekwang Boiler Co.,Ltd.