Non-Pressure Hot Water
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Non-Pressure Hot Water Boiler

DSH

It always supplies clean water.
High thermal efficiency as a fuel is greatly reduced.
Total investment cost and installation space will be reduced significantly.
Operating efficiency is higher than 99% when installing a high-performance economizer. (Optional)
Power expense is reduced by 50% or more when applying an inverter, compared to conventional boilers. (Optional)
It requires no license, no inspection.
DSH Specifications
Gas, Light Oil Type
Model Unit
DSH-100P DSH-150P DSH-200P DSH-250P DSH-300P DSH-400P DSH-500P DSH-600P DSH-800P DSH-900P DSH-1000P DSH-1200P DSH-1300P DSH-1600P DSH-1800P DSH-2000P DSH-2500P DSH-3000P DSH-3500P DSH-4000P DSH-5000P
100,000 150,000 210,000 250,000 300,000 400,000 500,000 600,000 800,000 900,000 1,000,000 1,200,000 1,300,000 1,600,000 1,800,000 2,000,000 2,500,000 3,000,000 3,500,000 4,000,000 5,000,000
91
4.8 7.9 9.9 10.5 11.2 13.7 16.7 18.5 24.1 25.2 30.2 38 43 47 47
On-Off(Two Stage System) Hi-Low-Off(Three Stage System) Hi-Middle-Low-Off(Four Stage System) Proportional System
1.0 1.2 1.3 1.4 1.5 1.8 2.0 2.1 2.5 2.7 2.8 3.0 3.2 3.5 3.7 4.0 4.5 5.0 7.0 8.0 10.0
250 440 440 450 450 780 840 920 1,310 1,320 1,340 1,470 1,800 1,800 1,840 1,840 2,160 2,360 2,620 2,910 3,540
10.7 16.0 22.4 26.7 32.0 42.7 53.3 64.0 85.4 96.0 106.7 128.0 138.7 170.7 192.0 213.4 266.7 320.1 373.4 426.8 533.4
10.7 16.0 22.4 26.7 32.0 42.7 53.3 64.0 85.4 96.0 106.7 128.0 138.7 170.7 192.0 213.4 266.7 320.1 373.4 426.8 533.4
11.0 16.5 23.1 27.5 33.0 44.0 54.9 65.9 87.9 98.9 109.9 131.9 142.9 175.8 197.8 219.8 274.7 329.7 384.6 439.6 549.5
7.6 11.4 15.9 18.9 22.7 30.3 37.9 45.5 60.6 68.2 75.8 90.9 98.5 121.3 136.4 151.6 189.5 227.4 265.3 303.1 378.9
4.5 6.8 9.5 11.3 13.5 18.1 22.6 27.1 36.1 40.6 45.1 54.2 58.7 72.2 81.2 90.3 112.8 135.4 158.0 180.5 225.6
9.1 13.7 19.1 22.8 27.3 36.5 45.6 54.7 72.9 82.0 91.2 109.4 118.5 145.9 164.1 182.3 227.9 273.5 319.0 364.6 455.8
3.5 5.2 7.2 8.6 10.4 13.8 17.3 20.7 27.6 31.1 34.5 41.4 44.9 55.2 62.1 69.0 86.3 103.5 120.8 138.1 172.6
9.0 13.4 18.8 22.4 26.9 35.9 44.8 53.8 71.7 80.7 89.7 107.6 116.6 143.5 161.4 179.3 224.2 269.0 313.8 358.7 448.3
0.125 0.25 0.25 0.4 0.4 0.75 1.5 2.2 2.2 3.75 3.75 5.5 5.5 7.5 11 11 15 15 22 22 30
0.6 0.6 0.6 0.75 0.75 1.5 1.5 1.5 1.5 2.2 2.2 2.2 2.2 3.7 3.7 3.7 5.5 7.5 11 11 11
none 0.4 0.4 0.4 0.4 0.4 0.75 0.75 0.75 0.75 0.75 1.5 1.5 1.5 1.5 1.5
1Ø × 220V 3Ø × 220V / 380V 60Hz
15 15 15 15 15 15 20 20 20 20 20 20 20 20 20 20 20 20 20 25 25
25 25 25 40 40 40 50 50 none
25 40 25 40 50 65
200 250 300 350 400 450 500 550 600 650 700
250 × 150 250 × 150 250 × 150 300 × 200 300 × 200 300 × 200 400 × 200 400 × 200 450 × 250 450 × 250 450 × 250 500 × 300 500 × 300 600 × 300 600 × 300 600 × 350 800 × 350 800 × 400 860 × 440 860 × 440 950 × 450
1,625 1,845 1,845 1,870 1,870 3,100 3,150 3,350 3,400 3,725 3,725 4,165 4,400 4,615 4,680 4,680 5,060 5,280 5,490 5,650 7,750
975 1,045 1,045 1,145 1,145 1,650 1,700 1,700 1,840 1,850 2,005 2,160 2,200 2,300 2,350 2,350 2,400 2,500 2,600 2,700 3,850
1,430 2,015 2,015 2,040 2,040 1,560 1,610 1,610 1,805 1,910 1,910 2,085 2,085 2,0852,150 2,0852,150 2,0852,150 2,200 2,500 2,600 2,650 3,500
Boiler
Body		 Rated Heating Value kcal/hr
Efficiency %
Heating Surface m2
Combustion System  
Weight Ton
Contained Water ℓ
Fuel
consumption		 Light Oil ℓ/hr
LNG N㎥/hr
LPG+AIR N㎥/hr
Propane
(LPG)		 N㎥/hr
kg/hr
Butane
(LPG)		 N㎥/hr
kg/hr
Power
Consumption		 Blower Motor kW
Circulation Pump kW
Oil Pump kW
Sources of Electricity
Connection
Bore
Diameter		 Oil Inlet A
Gas Inlet (Low Pressure) A
Gas Inlet (Middle Pressure) A
Installation
Summary		 Flue Duct (Circle) mm￠
Flue Duct (Rectangle) mm
Length mm
Width mm
Height mm
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Heating Type (60℃ ~ 70℃)/(50℃ ~ 70℃)
Model Unit
DSV-100P DSV-150P DSV-200P DSV-250P DSV-300P DSV-400P DSV-500P DSV-600P DSV-800P DSV-900P DSV-1000P DSV-1200P DSV-1300P DSV-1600P DSV-1800P DSV-2000P DSV-2500P DSV-3000P DSV-3500P DSV-4000P DSV-5000P
100,000 150,000 210,000 250,000 300,000 400,000 500,000 600,000 800,000 900,000 1,000,000 1,200,000 1,300,000 1,600,000 1,800,000 2,000,000 2,500,000 3,000,000 3,500,000 4,000,000 5,000,000
Spiral Tube (Copper)
10
5 > 65
10,000 15,000 21,000 25,000 30,000 40,000 50,000 60,000 80,000 90,000 100,000 120,000 130,000 160,000 180,000 200,000 250,000 300,000 350,000 400,000 500,000
0.2 1.1 1.4 1.3 1.5 1.4 2 1.2 1.8 1.9 0.7 1.0 1.2 1.2 1.9 0.8 1 1.8 1.6 1.7 1.7
40 50 50 65 65 65 80 80 100 100 100 125 125 125 150 150 150 150 200 200 200
Heat
Exchanger 		Rated Heating Value kcal/hr
Material  
Max-Working Pressure kg/㎠
Heating Temperature ℃
Amount of Heating Circulation ℓ/hr
Pressure Loss mH2O
Heating Inlet & outlet A
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Hot Water Type (5℃ ~ 65℃)
Model Unit
DSH-100P DSH-150P DSH-200P DSH-250P DSH-300P DSH-400P DSH-500P DSH-600P DSH-800P DSH-900P DSH-1000P DSH-1200P DSH-1300P DSH-1600P DSH-1800P DSH-2000P DSH-2500P DSH-3000P DSH-3500P DSH-4000P DSH-5000P
10,000 15,000 21,000 25,000 30,000 40,000 50,000 60,000 80,000 90,000 100,000 120,000 130,000 160,000 180,000 200,000 250,000 300,000 350,000 400,000 500,000
Spiral Tube (Copper)
10
5 > 65
1,667 2,500 3,500 4,167 5,000 6,667 8,333 10,000 13,333 15,000 16,667 20,000 21,667 26,667 30,000 33,333 41,667 50,000 58,333 66,667 83,333
0.2 0.2 0.2 0.3 0.2 0.3 0.4 0.2 0.2 1.9 0.5 1.8 1.1 1.2 0.8 1.0 1.8 1.6 1.6 1.7 1.7
25 25 25 25 32 32 40 40 50 50 50 65 65 80 80 80 100 100 100 125 125
Heat
Exchanger 		Rated Heating Value kcal/hr
Material  
Max-Working Pressure kg/㎠
Hot Water Temperature ℃
Amount of Hot Water ℓ/hr
Pressure Loss mH2O
Hot Water Inlet & outlet A
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  • Fuel consumption was based on the net heating value.
    (Light Oil: 10,300 kcal/kg, LNG: 11,000 / 10,000 kcal/Nm3, LPG + AIR: 15,400 / 14,500 kcal/Nm3, Propane: 24,350 / 22,400 kcal/Nm3, Butane: 31,840 / 29,500 kcal/Nm3)
  • Gas supply pressure and the standards of use: low pressure(200mmAq), up to 600,000 kcal/hr of gas
  • Height of the expansion pipe should be higher than the circulation pump lift.
  • Use the insulation flange in case that expansion pipe is made of copper.
  • Set the circulation volume based on the table, and if the volume is large, adjust the amount by using the valve.
  • If pressure loss of the heat exchanger is higher than the table, adjust the amount of circulation, or through by-pass.
  • Vertical type up to 300,000 kcal/hr, Horizontal type for more than that.
  • Install a strainer by all means on the circulation pump line.
  • The above specification table can be unexpectedly changed in order to improve performance.