Lamtec GFI 48 - Special Version Thermal Rating with High Power Versions

24
3 Product Description
3.6.5 Special version thermal rating with high power versions
NOTICE
The following technical data relates exclusively to the scope of the NFPA.
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.
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)
Thermal rating with high power versions
GFI 48 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: Air
Air type Combustion air
Operating pressure GFI48/70: min. 15 mbar + 6 mbar (0.217 psi + 0.087psi ) per
metre of tube length
GFI89: min. 15 mbar + 5 mbar (0.217 psi + 0.072 psi) per
metre of tube length
Air temperature max. 80 °C (176 °F)
Rel. air humidity max. 70 %