ATTACK FD boiler is a cast iron low-pressure boiler for combustion of solid fuels - coke, wood, coal:
Combustion of other substances like plastics is not allowed..
1. The use and preferences of the boiler
Four-element size of ATTACK FD is suitable for reconstructions of heat sources in dwellings, for smaller flats and recreation
facilities. Bigger size of the boiler suits to requirements for heating in family houses, shops, schools and similar..
The boiler is produced as a hot-water boiler with natural as well as forced heating water passage and working overpressure up to
4 bar. Before delivery it is tested for tightness by a testing overpressure of 8 bar.
Boiler preferences :
Modern design
High lifetime of cast iron heat exchanger, with extra low-temperature corrosion resistance
High efficiency up to 85%
Wide output range in dependance on number
of elements
5-years warranty on the cast iron heat exchanger
High reliability of regulating and safety components
Simple attendance and maintenance
Simple assembly of casing during the boiler assembly in the boiler room
Low demand on chimney draught
Good position of the output regulator
Enlarged combustion chamber for bigger wood pieces
Sophisticated production technology with a stable and verified quality of production process( ISO 9001)
2. Technical parameters of ATTACK FD
4
3
Capacity of combustion chamber dm 25,5 34 42,5 51 59,5
Boiler type FD20 FD26 FD32 FD36 FD42
Nominal output - black coal kW (kcal/h) 18 (18000) 24 (22000) 3 0 (26000) 3 6(30000) 42(34000)
Fuel consumption at nominal output - black coal kg/h 3,6 4,6 5 ,2 6,4 7,5
minimum output - black coale kW 9 12 15 18 21
Fuel consumption at minimum output - black coal kg/h 1,9 2 ,3 2 ,6 3,2 3 ,7
Nominal output - wood kW 16 20 25 30 34
Wood consumption at nominal output kg/h 4,85 6,11 7,38 8,65 9,92
minimum output - wood k W 8 10 13 15 17
Wood consumption at minimum output kg/h 2,15 2,52 2,89 3,26 4,63
Nominal output - coke kW 20 2 6 32 3 6 42
Fuel consumption at nominal output-coke kg/h 3,7 4,8 5 ,9 6,66 7,77
minimum output - coke kW 6 8 9 ,5 11 12,5
Fuel consumption at minimum output - coke kg/h 1,11 1,48 1 ,76 2,04 2 ,31
Boiler water volume l 27 31 35 39 43
Max. working pressure bar 4
Weight kg 210 245 2 80 315 350
Height P mm 1081
Height mm 1001
Width mm 4 70
Lenght of combustion chamber mm 290 390 490 590 690
Width of combustion chamber mm 3 00
Dimensions of door (width x height) mm 230 x 310
Efficiency % 78-82
Test pressure bar 8
Connection of C.H. water inch G 2"
Elements number pcs 4 5 6 7 8
Depth L mm 455 555 655 755 855
Connection of cooling loop inch G 1/2inner thread
Burning time at nominal output - black coal h 4
Burning time at nominal output - wood h 2
Max.lenght of logs at max. diameter of 150 mm mm 280 380 480 580 680
Operation drauhgt at min. and nom.output Pa 10-20 12-22 13-23 15-25 18-28
Flue gas temperature at nom. output °C 240 250 250 260 260
Flue gas flow- nom. output g/s 9,54 12,31 15,08 16,99 19,78
Flue gas temperature at min. output °C 120 130 140 150 150
Flue gas flow- min. output g/s 3,02 3,95 4,66 5,36 6,04