The inner area of the boiler is maintained as a vacuum at all times. Unlike a high pressure boiler, it poses no danger of accident.
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An adequate amount of heating water is injected to the boiler and maintained at a vacuum. As the burner heats up the heating water, pressurized vapor is
generated and the heat is transferred to the heat exchanger for hot baths and heating.
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The heat exchanger repeats the cycle of heating water, pressurized vapor and heat exchange and indirectly transfers the heat to the pressurized vapor. .
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The vacuum hot water boiler is frequently used for heating and hot baths. It is widely used for hotels, pools, dorms and public baths requiring clean hot
water.
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Model
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B&B-VW
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10
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20
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30
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40
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50
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60
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80
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100
|
120
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Rated evaporation
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103kcal/hr
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100
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200
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300
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400
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500
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600
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800
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1000
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1200
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Insulation area size
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4.5
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8
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11.3
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12.8
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13.7
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16.3
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19.2
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20.7
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23.2
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Fuel consumption
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B/C
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/hr
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12.4
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24.8
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37.2
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49.6
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62
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74.4
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99.2
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124
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148.8
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LNG
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N/hr
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10.4
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20.8
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31.2
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41.6
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52
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62.4
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83.2
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104
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124.8
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Fuel Diameter
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B/C
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A
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15
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20
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20
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20
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20
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25
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25
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25
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25
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LNG
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A
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20
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20
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25
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25
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25
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25
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40
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40
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40
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Outlet gas duct
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mm
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150x200
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160x300
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180x300
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200x300
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200x300
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200x300
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250x300
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250x350
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280x400
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Chimney
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mm
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200
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250
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250
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300
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300
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300
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350
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430
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430
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Max pressure
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m
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70
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Control System
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-
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ON-OFF / HIGH-LOW
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Safety
|
-
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For heating
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Max pressure
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m
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70
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Thermal capacity
|
103kcal/hr
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100
|
200
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300
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400
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500
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600
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800
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1000
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1200
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Fluid amount
|
/hr
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10
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20
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30
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40
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50
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60
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80
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100
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120
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Diameter of the heating inlet and outlet
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A
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32
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32
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40
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50
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50
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65
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80
|
80
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80
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For hot bath
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Max pressure
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m
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70
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Thermal capacity
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103kcal/hr
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100
|
200
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300
|
400
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500
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600
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800
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1000
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1200
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Fluid amount
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/hr
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1.67
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3.33
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5.0
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6.67
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8.33
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10.0
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13.3
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16.7
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20
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Diameter of the heating inlet and outlet
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A
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32
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32
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40
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40
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50
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65
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80
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80
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80
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1. These specifications are subject to change depending on the customer's request and for the purpose of quality improvement.
2. Gas supply pressure is 2,000~4,000 mmA1
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