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Buderus commercial and domestic boilers

[SB 825L 9300kW]

Dimensions

Parameter Value
Length, L 6210mm
Length, LK 5200mm
Width, B 2450mm
Width, BWT1 2004mm
Width, BWT2 1055mm
Height, HF 2700mm
Height, HK 2710mm
Height, HWT 1270mm
Operating weight 6 bar 24.3t
Operating weight 10 bar 26.3t
Shipping weight 6 bar 15.4t
Shipping weight 10 bar 17.5t
Flue gas connection, HAA 1550mm
heat exchanger:, Ø AA 800DN
Combustion chamber, Length 4913mm
Combustion chamber, Ø 1267mm
Burner door, Depth 257mm
Burner door, HB 1350mm
Base frame, LGR 4650mm
Base frame, BGR 1610mm
Base frame, U-Profile 240mm
Boiler flow / return connection 150DN
Heat exchanger flow, HVWT 1986mm
Heat exchanger return, HRWT 1114mm
Drain, ELK 50DN
Drain, ELA ¾"DN
Flange VK/RK/VSL, ∆t = 15K 300DN
Flange VK/RK/VSL, ∆t = 20K 300DN
Flange VK/RK/VSL, ∆t = 30K 250DN
Flange VK/RK/VSL, ∆t = 40K 200DN
Distance, A1 3250mm
Distance, A2 1000mm
Distance, A3 1100mm
Distance, A4 500mm

Technical Parameters

Parameter Value
Max working pressure 6bar to 10bar
Flue gas temperature at 60 °C 121°C
Flue gas temperature at 30 °C 107°C
Max flow temperature 110°C
Water flow resistance 200mbar
Flow rate crossing the external heat exchanger 160m3/h
Nominal output heat exchanger at 60 °C 284kW
Nominal output heat exchanger at 30 °C 729kW
Max nominal heat output boiler 9300kW
Water content 8.8m3
Flue gas resistance 15.5mbar
Gas content 11.48m3
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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