NAVAL flue and smoke tube hot water boiler

DN series

Main specifications

Full specification table
ModelDN-10 ~ DN-200 · 12 models
Rated heat output0.12 – 2.33 MW (100,000 – 2,000,000 kcal/h)
Efficiency88%

Feature

  • High performance and high efficiency are maintained as it is manufactured with a combustion structure of the inverted combustion of the 3-pass method adopting a special spiral pipe

  • Inside can be aluminum metalized when used for hygienic hot water supply

  • Easy to replace and repair the flue with handy open-close smoke room door design.

  • It is a high-end product with high performance and high efficiency that minimizes heat loss in the front flue chamber made with the latest technology in Europe and Dongkwang's know-how by technology provided from Naval, Italy.

Standard specifications

DN series

Standard specifications for NAVAL flue and smoke tube hot water boiler DN series

Category Unit DN - 10 DN - 20 DN - 30 DN - 40 DN - 50 DN - 60 DN - 80 DN - 100 DN - 120 DN - 150 DN - 180 DN - 200
Boiler body Rated heat output MW 0.12 0.23 0.35 0.47 0.58 0.7 0.93 1.16 1.39 1.75 2.09 2.33
kcal/h 100,000 200,000 300,000 400,000 500,000 600,000 800,000 1,000,000 1,200,000 1,500,000 1,800,000 2,000,000
Maximum operating pressure Mpa[㎏/㎠] 0.35 [3.5], 0.7 [7], 1.0 [10] (Optional)
Efficiency % 88%
Operating power V 220V × 1ø x 60Hz 220V × 3ø x 60Hz / 380V × 3ø x 60Hz × 4W
Burner output kW 0.4 0.4 0.75 0.75 1.1 1.5 2.2 2.2 3.7 5.5 7 11
Fuel consumption Boiler kerosene kg/h 13.3 26.5 39.8 53.1 66.9 79.6 106.3 132.9 159.4 174.1 239.1 265.8
Heavy oil 12.2 24.5 36.7 49 61.3 73.6 98.1 122.6 147.1 184 220.7 245.4
LNG N㎥/h 11.4 22.7 34.1 45.4 56.8 68.2 90.9 113.6 136.4 170.4 204.5 227.3
Propane 5.1 10.1 15.2 20.3 25.4 30.4 40.6 50.7 60.9 76.1 91.3 101.5
LPG+AIR 8.2 16.4 24.7 32.9 41.1 49.4 65.8 82.3 98.8 123.5 148.2 164.5
Diameter Hot water inlet and outlet A 50 65 80 100 100 100 100 125 150 150 150 200
Drainage valve 25 25 32 32 32 32 40 40 50 50 50 50
Flue ømm 150 200 250 300 300 300 350 400 400 450 450 450
External size Width(W) mm 850 920 1,010 1,010 1,130 1,130 1,250 1,250 1,400 1,400 1,600 1,600
Length(L) 2,190 2,170 3,050 3,260 3,450 3,500 3,600 3,650 3,720 3,800 4,050 4,200
Height(H) 1,260 1,360 1,430 1,430 1,550 1,550 1,700 1,750 1,830 1,900 2,050 2,150

Fuel consumption in the above specification table is based on the following.
- Low-level calorific value
① Boiler kerosene : 43,116kJ/kg{10,300kcal/kg}
② Heavy oil : 40,813kJ/kg{9,750kcal/kg}
③ LNG : 41.9KJ/N㎥{10,000kcal/N㎥}
④ Propane : 93.8KJ/N㎥{22,400kcal/N㎥}
⑤ LPG+AIR : 57.8KJ/N㎥{13,800kcal/N㎥}

Consultation and quotes

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