For our customers
BEAVER
20 DLO30 DLO
40 DLO
50 DLO
60 DLO
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- cast iron heat exchanger
- Thermostatic regulation of draft
- 18 - 45 kW wood
- 19 - 48 kW coal
Productoverview
Heat not only from wood...
Wood and coal as traditional fuels are still important today and many households have returned to them. Thus Beaver was born - a new item from the Protherm plant in Skalice. This line of cast iron boilers fired with solid fuel is interesting in its simple operation and maintenance and its high efficiency, which is supported by its large combustion chamber. Beaver comes to the market with a wide range of outputs to satisfy any customer.
Specifications for BEAVER boilers:- Cast iron heat exchanger
- Large combustion chamber
- Easy to add fuel
- Simple operation and maintenance
- Low heat loss
BEAVER boiler models:
- BEAVER 20 DLO
- BEAVER 30 DLO
- BEAVER 40 DLO
- BEAVER 50 DLO
- BEAVER 60 DLO
Technical parameters
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Output / Fuel
Qty. of cast iron blocks 4 5 6 8 10 Heat output / coal (kW) 19 24 32 39 48 Heat output / wood (kW) 18 23 29 35 45 Efficiency class according to EN 303-5 1 1 1 1 1 Max. operating temperature (° C) 90 90 90 90 90 Burning time / coal (h) 4 4 4 4 4 Burning time / wood (h) 2 2 2 2 2 Temperature of cooling water for the cooling circuit (° C) 5,1 - 15 5,1 - 15 5,1 - 15 5,1 - 15 5,1 - 15 Pressure of cooling water for the cooling circuit (bar) 2,1 - 6 2,1 - 6 2,1 - 6 2,1 - 6 2,1 - 6 Volume (l) 19,9 23,2 26,5 33,1 39,8 Max. operating pressure (bar) 4 4 4 4 4 Max. length of wood logs (mm) 320 370 430 550 680 Inlet / outlet water connection (Inch) 2“ 2“ 2“ 2“ 2“ 20DLO 30DLO 40DLO 
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Extraction of combustion gases
Flue connectiong diameter (mm) 150 150 150 180 180 Emission class according to EN 303-5 1 1 1 1 1 Required chimney draft (mbar) 0,23 0,25 0,28 0,3 0,32 Mass flow rate of flue gases (coal) (kg/h) 68,4 82,3 93,6 133,2 194,4 Mass flow rate of flue gases (wood) (kg/h) 57,6 79,2 97,2 126 162 Flue gases temperature (° C) <250 <250 <250 <250 <250 20DLO 30DLO 40DLO
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Dimensions
Weight (kg) 230 262 305 380 455 Dimensions of the filling slot (H x W) (mm) 250 x 300 250 x 300 250 x 300 250 x 300 250 x 300 Volume of fuel hopper (l) 45 56 67,2 89,6 112 Depth of the boiler (L) (mm) 640 740 840 1040 1240 Volume of accumulation storage tank (l) 800 1000 1350 1650 2000
20DLO 30DLO 40DLO
Download
Filename Download file Declaration of conformity Beaver PDF (511 KB)
