Dorchester DR-SG XX-538
70 kW
80 kW
100 kW
120 kW
Nominal power Pn
kW
73.4
84
105
126
Rated heat input Qn
kW
69.9
80
100
120
Min heat input Qmin
kW
24
24
24
24
Gas flow rate at Pn (15 °C)
m
3
/h
7.4
8.5
11
12.7
CO
2
value range
%
at Qmin: 9.2 % < CO
2
< 9.6 %
at Qmax: 8.4 % < CO
2
< 8.8 %
Mass flow rate of the flue gas
kg/h
Q
n
Q
min
104.4
32.4
118.8
32.4
158.4
32.4
187.2
32.4
Temperature of the combustion products
circuit
°C
100
100
100
100
Nominal operating temperature of the
combustion products
°C
56.8
58.8
59.8
59.3
Exhaust outlet interior diameter
mm
130
130
130
130
Maximum allowable nozzle pressure
(B23P)
Pa
65
95
155
200
Combustion air flow rate at Qn (15 °C)
m
3
/h
88
101
126
152
Nitrogen oxide emissions (NOx)
mg/kWh
39
39
39
39
Smoke removal and air inlet type classifications
B23 / B23p / C13 / C33
Page 18 / 104
00U07337760-A
DORCHESTER DR-SG -
Installation, Operation and Maintenance