Ce Orifices; Properties Of Ce Gases - ALLIANCE 120 Series Installation, Operation & Maintenance Manual

CE Orifices

Gas Gas
Family Group
Type
I
2H(E)
Natural
Second I
2L
Gas
I
2E+
I
3B/P
LP Third
I
3+ / 3P

Properties of CE Gases

Gas Gas
Group
Type Family Description
I
2H,E
I
2E+
Natural
Second
Gas
I
2L
I
2E+
I
3B/P
Pure Butane
I
3+
LP Third
I Pure Propane
3+
I
3P
70458101 (EN)
Supply
Gas
Pressure,
Designation
mbar
G20 20 / 25
G25 25
G20 20
G30 28 / 30
G30 37 / 50
G30 / G31 28 / 37
Gas Gas
Designation
Not
Applicable
G20
2H
Not
Applicable
G25
2L
Not
Applicable
G30
G31
LPG with
Propane
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Manifold Pressure
mbar in. wc
8.9 3.57
12.6 5.06
Unregulated Unregulated
Unregulated Unregulated
30 12.05
Unregulated Unregulated
Table 2
Wi Hi
Wobbe Index Heating Value
(Net) (Net)
3 3 3
MJ/m Btu/ft MJ/m Btu/ft
45.67 1226 34.02 913
37.38 1004 29.25 785
80.58 2164 116.09 3117
70.69 1898 88 2363
Table 3
Orifice Orifice
Capacity/
Diameter Part
Model
(mm) Number
120 4.3 M402988
170 4.7 M411510
200 4.8 M411372
120 4.3 M411373
170 4.7 M411510
200 4.8 M411372
120 3.6 M401014
170 3.8 M402997
200 3.9 M401020
120 2.5 M406361
170 3.0 M401017
200 3.1 70070903
120 2.5 M406361
170 3.0 M401017
200 3.1 70070903
120 2.5 M406361
170 3.0 M401017
200 3.1 70070903
Ws Hs
Wobbe Index Heating Value
(Gross) (Gross)
3 3 3 3
MJ/m Btu/ft MJ/m
50.72 1362 37.78
41.52 1115 32.49
87.33 2345 125.81
76.83 2063 95.65
Installation
Quantity
3
4
4
3
4
4
3
4
4
3
3
3
3
3
3
3
3
3
d
Density
3
Btu/ft
1014 0.555
872 0.612
3378 2.075
2568 1.55
27