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Buderus commercial and domestic boilers

[SB 825L 12600kW]

Dimensions

Parameter Value
Length, L 7005mm
Length, LK 5990mm
Width, B 2700mm
Width, BWT1 2204mm
Width, BWT2 1155mm
Height, HF 3000mm
Height, HK 2025mm
Height, HWT 1395mm
Operating weight 6 bar 33.7t
Operating weight 10 bar 36.3t
Shipping weight 6 bar 20.9t
Shipping weight 10 bar 23.5t
Flue gas connection, HAA 1750mm
heat exchanger, Ø AA 800DN
Combustion chamber, Length 5661mm
Combustion chamber, Ø 1450mm
Burner door, Depth 259mm
Burner door, HB 1500mm
Base frame, LGR 5320mm
Base frame, BGR 1890mm
Base frame, U-Profile 280mm
Boiler flow / return connection 150DN
Heat exchanger flow, HVWT 2249mm
Heat exchanger return, HRWT 1252mm
Drain, ELK 50DN
Drain, ELA ¾"DN
Flange VK/RK/VSL, ∆t = 15K 350DN
Flange VK/RK/VSL, ∆t = 20K 300DN
Flange VK/RK/VSL, ∆t = 30K 250DN
Flange VK/RK/VSL, ∆t = 40K 250DN
Distance, A1 3100mm
Distance, A2 1800mm
Distance, A3 1100mm
Distance, A4 500mm

Technical Parameters

Parameter Value
Max working pressure 6bar to 10bar
Flue gas temperature at 60 °C 118°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 162m3/h
Nominal output heat exchanger at 60 °C 345kW
Nominal output heat exchanger at 30 °C 918kW
Max nominal heat output boiler 12600kW
Water content 12.7m3
Flue gas resistance 17.3mbar
Gas content 17.18m3
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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