Attack DP Gasification Boiler

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The ATTACK DP Profi wood gasifying boiler is designed for the economical and ecological heating of family houses, bungalows, small plants, workshops and similar premises. The specified fuel for the ATTACK DP 45 boiler is dry wood. When the feeding chamber is full, an approx. continuous combustion of 8 to 12 hours is possible.

Attack DP Wood Gasification Boilers

The “ATTACK DP Profi” wood gasifying boiler is controlled by an electronic regulator which is specifically designed for the temperature control of wood combustion boilers. The regulator keeps a constant check on the water temperature in the boiler and the value is shown on the display. At the same time, it controls the waste gas ventilator and central heating pump.

  • Models DP 35, 45, 75, 95 Profi
  • Modern design
  • Burns soft and hard wood in its large combustion chamber. Fuel mixtures such as coal/wood, briquets, corn cobs and wood/saw dust mixture acceptable.
  • High combustion efficiency – low fuel consumption
  • Minimum waste
  • Simple use and cleaning
  • Automatic boiler switch-off when fuel runs out
  • Flue ventilator ensures uniform and effective combustion
  • Possibility of loading large pieces of wood
  • Equipped with a cooling circuit against the water in the boiler overheating

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Technical Specification

Attack Model DPX35 DPX45
Boiler output kW 35 (120kBtu) 45 (154kBtu)
Surface of exchanger f2 30 32.6
Volume of fuel chamber f3 367 420
Dimension of feeding opening inches 9.25 x 17.5
Prescribed chimney draught Pa 23 23
Max. operation overpressure of water kPa 250
Pressure loss of water (T 10K) kPa 4.4 6.6
Pressure loss of water (T 20K) kPa 1 1.8
Boiler weight lb 1014 1080
Diameter of flue gas connection inches 5.9
Boiler height – „A“ inches 48.8
Boiler width – „B“ inches 27.6
Boiler depth – „C“ inches 52.75
Depth of chamber – „D“ inches 27.2
Protection of electrical parts IP 21
Electric output W 50 60
Boiler efficiency % 89 90
Boiler class 3
Flue gas temperature at nominal output °F 356 374
Substantive flue gas overflow at nominal output kg/s 0,021 0,027
Maximum noise level dB 65 65
Prescribed fuel Dry wood with heat value of 15-17 MJ/kg, water volume min. 12% -max. 20% diameter 80-150 mm
Average fuel consumption Kg/h 9,1 11,75
Consumption per season 1 kW = 1 m3
Maximum length of wood logs inches 25.5″ 29.5″
Burning time at nominal output hod 3 3
Volume of water in boiler gallons 29 33.8
Minimum volume of equalisation basin l 237.75 317
Connection voltage V/Hz 110/60
Attack Model: DP 75 Profi DP 95 Profi
Nominal output 75 kW (256 KBTU) 95 kW (325 KBTU)
Range of output setting (PROFI version) 30-75 kW (102-256 KBTU) 38-95 kW (140-325 KBTU)
Prescribed chimney draught 26 Pa 28 Pa
Max water operation overpressure 250 kPa (35 PSI)
Pressure loss of water (T 10K) 8.8 kPA (1.3 PSI )
Pressure loss of water (T 20K) 1.6 kPa (0.23 PSI)
Diameter of flue gas outlet 200 mm (8″)
Loading chamber dimensions L 41″x W 21″x H 31″
Diameter of C.H. flow connection 2 “
Diameter of C.H. return connection 2 “
Protection level 21 IP
Maximum electric load 4 A
Boiler class 3
Flue gas temperature by nominal output 350 °F
Flue gas flow by nominal output 0.033 kg/s 0.035 kg/s
Average wood consumption 18.7 kg/h 29.2 kg/h
Max wood log length 1000 mm (40″)
Operation time by max.output 2.5 h 3.5 h
Volume of water in boiler 164 l (43 Gal) 250 l (65 Gal )
Recommended accumulation tank min. volume 500 Gal
Range of water temperature setting 65-90 °C ( 150 F to 195 F)
Current carrying capacity of boiler regulator´s contacts of (PROFI version) 115V/4A
Average wood consumption per season 1kW=0.9m3
Efficiency 86.2 % 80.6 %
Fuel Seasoned Wood (can be mixed with coal 40%)
Electrical power connection 115V/60Hz
Weight 650 kg (1422 lb) 800 kg (1900 lb)
Heat-transfer surface 3.6 m2 (39 sq/f) 5.6 m2 (60 sq/f)
Max. noise level 65 dB
Feeding door size 235×445 mm ( 9.2″ x 17.5″)
Boiler width 27.5” 30″
Boiler height 57.5” 61″
Boiler depth 66” 66″

Dimensions

Attack 35 DPX Profi


Attack 45 DPX Profi


Attack 75 DP Profi


Attack 95 DP Profi