Technical data

28 Installation and maintenance manual atmoCRAFT
6.2.4 Gas setting tables
Type of gas
Nozzle designation
corresponds to the nozzle pressure diameter
ø in 1/100 mm
Nozzle pressure
Nominal output
(2nd stage)
Partial output
(1st. stage and starting
gas pressure)
Natural gas 2E, 2H
Ws = 15.0 kWh/m
3
260 13.0 5.6
Propane 3P
Ws = 22.5 kWh/m
3
165 29 13.2
Table 6.1 Nozzle pressure setting table
Nozzle size and nozzle pressures for nominal output/partial output; Nozzle
pressure in mbar at 15°C, 1013 mbar, dry.
VK 654/9 VK 754/9 VK 854/9 VK 1054/9 VK 1154/9
Nominal output/partial
output
2)
65 42.2 75 48.7 85 55.2 105 68.2 115 74.7
Gas flow
1)
[l/min]
with natural gas 2E, 2H
Ws = 15.0 kWh/m
3
123 81 141 93 161 105 198 130 216 143
VK 1304/9 VK 1504/9 VK 1654/9
Nominal output/partial
output
2)
130 84.5 150 97.5 165 107.5
Gas flow
1)
[l/min]
with natural gas 2E, 2H
Ws = 15.0 kWh/m
3
248 161 283 186 313 205
Table 6.2 Gas flow setting table
1) Gas flow in l/min at 15°C, 1013 mbar, dry
2) QNL in kW
(heat output; left column = nominal output, right column = partial output
(65%)
6 Start-up