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Measuring Range
KEC-2 K01/1216
Page 10 of 35
4.2
Measuring range flow KEC-2
Innerdiameter of pipe
Full scale value in Nm³/h
Inch mm
DN
Air
2)
N2
3)
Ar
3)
O2
3)
CO2
3)
Methane
3)
Natural gas
(CH4)
R 1/2“
16.1
DN 15
90
80
140
85
90
50
R 3/4“
21.7
DN 20
170
155
275
165
175
105
R 1“
27.3
DN 25
290
260
460
280
290
170
R1 ¼“
36
DN 32
530
470
830
505
525
310
R 1 ½“
41.9
DN 40
730
650
1140
695
720
430
R 2“
53.1
DN 50
1195
1060
1870
1140
1185
705
2)
Referred to DIN 1945/ ISO 1217 (20°C 1000mbar) and compressed air
3)
Adjusted to DIN 1343: 0°C, 1013mbar