Lamtec GFI35, Quick Reference

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26
3 Product Description
NOTICE
At temperatures in the combustion chamber of over 500 °C (932 °F), if the pilot burner is off,
a cooling air supply of 50 % of the max. combustion air should be provided.
* At International Standard Atmosphere, ISA: 15 °C, 1013,25 hPa
3.5.6 Special version thermal rating with high power versions
NOTICE
This is not a control range as for a burner as the appropriate air volume must be set accord
-
ingly when changing the gas pre-pressure.
Flow rate (air quantity) GFI35: max. 22 Nm
3
/h (28.77 yd
3
/h)
GFI48: max. 50 m
3
/h (65.39 yd
3
/h)
GFI70: max. 150 m
3
/h (196.19 yd
3
/h)
GFI89: max. 250 m
3
/h (326.98 yd
3
/h)
Connection: Air
Thermal rating with high power versions*
GFI48 natural gas: 250 ... 400 kW
propane: 250 ... 400 kW
GFI70 natural gas: 500 ... 800 kW
propane: 500 ... 800 kW
GFI89 natural gas I: 2300 ... 3000 kW
natural gas II: 4600 ... 6000 kW
propane: 2300 ... 3000 kW
Connection: GFI48 gas
Flow rate (gas quantity) natural gas: 25 ... 40 m
3
/h (32.69 ... 52.31 yd
3
/h)
propane: 9.5 ... 15 m
3
/h (12.42 ... 19.61 yd
3
/h)
Operating pressure natural gas: 500 ... 1000 mbar (7.25 ... 14.50 psi)
propane: 400 ... 800 mbar (5.80 ... 11.60 psi)
Connection: GFI70 gas
Flow rate (gas quantity) natural gas: 50 ... 80 m
3
/h (65.39 ... 104.63 yd
3
/h)
propane: 19 ... 31 m
3
/h (24.85 ... 40.54 yd
3
/h)
Operating pressure natural gas: 500 ... 1000 mbar (7.25 ... 14.50 psi)
propane: 500 ... 1000 mbar (7.25 ... 14.50 psi)
Connection: GFI89 gas
Flow rate (gas quantity) natural gas I: 230 ... 300 m
3
/h (300.82 ... 392.38 yd
3
/h)
natural gas II: 460 ... 600 m
3
/h (601.65 ... 784.76 yd
3
/h)
propane: 90 ... 115 m
3
/h (117.71 ... 150.41 yd
3
/h)
Operating pressure natural gas I: 700 ... 1000 mbar (10.15 ... 14.50 psi)
natural gas II: 700 ... 1000 mbar (10.15 ... 14.50 psi)
propane: 700 ... 1000 mbar (10.15 ... 14.50 psi)