Technical data

 

Boiler model

Astra G-25E and

Astra G-25

Boiler type

Wood gasification central heating boiler

Rated output, kW

25

Type of boiler control

Electronic (E) or thermostatic

Type of fan

In-feeding

Efficiency rate (wood logs), %

82

Heated area  (when rate of thermal resistance of building= 2,5), m2

180-250

Boiler temperature setting range, °C

65...90

Fuel

Wood logs; sawdust, wooden chips briquettes

Duration of one fuel load combustion, h.

4...12

One heating season fuel consumption (wood logs), m3

18-25

Fuel chamber lenght, mm

546

Maximum appropriate humidity of fuel, %

20

Filling chamber capacity, l

105

Boiler water content, l

62

Boiler operating pressure, bar

2,0

Emergency water cooling loop power, kW

15

Minimum temperature of returning water, °C

65

Maximum allowable temperature of water in boiler, °C

95

Recommended draught, Pa

20

Boiler dimensions, mm

   height (H)

1156

   width (B)

646

   depth (L)

965

Threaded conection, G‘‘

G1 1/2

Flue gases duct  diameter, mm

152

Average temperature of flue gases, °C

188

Filling opening dimensions, mm

285x350

Weight (netto), kg

310

Electrical consumed power, W (230 V 50 Hz)

25

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