Duct burner
DB-12 Sunsrays Heating Science And Technology Company

Specifications:
Firing rates - up to 220 kW (750, 000 BTU/h) per 12 inch (305 mm) burner length

Process air velocity range 7.5 to 18 m/s (1500 to 3500 ft/min)

Differential air pressure range 0.5 to 3.0 mbar (0.2 to 1.2 in w. G). (across the burner)

Turndown: Up to 30: 1

Efficiency: 100% based on LHV* (92% based on Gross CV**)

Burner head gas pressure range - Natural Gas: 6 to 20 MB at full output

Propane: 2 to 8 MB at full output
Burner head orientation: Either horizontal or vertical parallel to air flow

Burner head configuration: Straight (standard)

"H" or "I" arrangements (on request)

Flame lengths - Natural: 280 to 405mm (11 to 16in)

Propane: 205 to 330mm (8 to 13in)

Emissions: <5 ppm CO and <0.5 ppm NO2 up to 65 C temperature rise
Across the burner

Process Air Temperatures: Up to 100 C (standard)
(for higher temperatures please consult SUNSRAYS)

Construction: Either: Aluminium burner casting + stainless steel baffles
Or: Cast iron + stainless steel baffles

*Lower Heating Value (gas)
** Gross Calorific Value (gas)

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