Technical Data; Main Gas Orifice Identification And Rated Orifice Pressure - Buderus Logano G234X-64 Installation And Service Instructions Manual

2.8.2

Technical Data

Fig. 3 Pressure drops (1 psi = 69 mbar, 1 GPM = 0.23 m³/h)
x Flow rate in GPM ( m³/h)
y Pressure drops in psi
[1] 160 500/187 700 BTU/hr (boiler rating 38/45)
[2] 228 400 BTU/hr (boiler rating 64)
[3] 266 400 BTU/hr (boiler rating 55)
2.8.3

Main gas orifice identification and rated orifice pressure

Boiler size Number of injectors
38
45
55
64
Table 4 Main gas orifice identification and rated orifice pressure for natural gas
Boiler size Number of injectors
38
45
55
64
Table 5 Main gas orifice identification and rated orifice pressure for propane gas
Logano G234X – 6 720 811 233 (2017/02)
Main gas orifice identification
0...8500 ft (0...2591 m)
3
3
4
4
Main gas orifice identification
0 ...8500 ft (0...2591 m)
3
3
4
4
Rated orifice pressure for natural gas
[In. W.C.]
3.70
3.70
3.50
3.80
Rated orifice pressure for propane gas
[In. W.C.]
2.20
2.40
2.30
2.45
Product Description
[mbar]
3.0 7.6
4.1 10.4
4.6 11.5
4.4 10.9
[mbar]
10.6 26.5
10.5 26.2
10.3 25.8
10.3 25.9
2
7