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Buderus commercial and domestic boilers

[SB 825L 19200kW]

Dimensions

Parameter Value
Length, L 8670mm
Length, LK 7620mm
Width, B 3400mm
Width, BWT1 2654mm
Width, BWT2 1380mm
Height, HF 3700mm
Height, HK 3770mm
Height, HWT 1695mm
Operating weight 6 bar 66.9t
Operating weight 10 bar 68.9t
Shipping weight 6 bar 38.7t
Shipping weight 10 bar 40.7t
Flue gas connection, HAA 2150mm
heat exchanger, Ø AA 1000DN
Combustion chamber, Length 7266mm
Combustion chamber, Ø 1706mm
Burner door, Depth 294mm
Burner door, HB 1850mm
Base frame, LGR 6790mm
Base frame, BGR 2100mm
Base frame, U-Profile 320mm
Boiler flow / return connection 150DN
Heat exchanger flow, HVWT 2799mm
Heat exchanger return, HRWT 1502mm
Drain, ELK 50DN
Drain, ELA ¾"DN
Flange VK/RK/VSL, ∆t = 15K -
Flange VK/RK/VSL, ∆t = 20K 400DN
Flange VK/RK/VSL, ∆t = 30K 300DN
Flange VK/RK/VSL, ∆t = 40K 300DN
Distance, A1 4340mm
Distance, A2 2000mm
Distance, A3 1200mm
Distance, A4 600mm

Technical Parameters

Parameter Value
Max working pressure 6bar to 10bar
Flue gas temperature at 60 °C 117°C
Flue gas temperature at 30 °C 105°C
Max flow temperature 110°C
Water flow resistance 250mbar
Flow rate crossing the external heat exchanger 165m3/h
Nominal output heat exchanger at 60 °C 528kW
Nominal output heat exchanger at 30 °C 1376kW
Max nominal heat output boiler 19200kW
Water content 27.9m3
Flue gas resistance 13.1mbar
Gas content 34.46m3
CE certification, product ID no. CE-0085BO0397
Pressure at flue outlet 0 (50Pa) burner dependent
Efficiency (NCV) 104%
CO2 content, Gas 10.5%

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