Technical data – KROHNE H250 M8-M9-M10 EN User Manual
Page 84
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TECHNICAL DATA
84
H250
www.krohne.com
04/2011 - 4000269302 MA H250-R02 en
H250H - Horizontal installation position
Reference condition for gas measurements:
Reference condition for gas measurements:
Reference condition for gas measurements:
Reference condition for gas measurements:
The flow measurement of gases are refered to
Nl/h or Nm
3
/h: Volume flow in Normal state 0°C, 1.013 bar abs. (DIN 1343)
Measuring span:
10 : 1
Declaration of flow:
Values = 100%
Water: 20°C [68°F]
Air: 20°C [68°F], 1.013 bar abs. [14.7 psia]
EN
ASME
Cone
Water [l/h]
Air [Nm
3
/h]
Pressure loss
[mbar]
DN15
½
K 15.1
70
1.8
195
K 15.2
120
3
204
K 15.3
180
4.5
195
K 15.4
280
7.5
225
K 15.5
450
12
250
K 15.6
700
18
325
K 15.7
1200
30
590
K 15.8
1600
40
950
K 15.8
2400
60
1600
DN25
1"
K 25.1
1300
35
122
K 25.2
2000
50
105
K 25.3
3000
80
116
K 25.4
5000
130
145
K 25.5
8500
220
217
K 25.5
10000
260
336
DN50
2"
K 55.1
10000
260
240
K 55.2
16000
420
230
K 55.3
22000
580
220
K 55.3
34000
900
420
DN80
3"
K 85.1
25000
650
130
K 85.2
35000
950
130
K 85.2
60000
1600
290
DN100
4"
K 105.1
80000
2200
250
K 105.1
120000
3200
340
INFORMATION!
The oper. press. should be at least twice the pressure loss for liquids, and at least 5
times the pressure loss for gases! The specified pressure drops are valid for water and air at
maximum flow rate. Other flow ranges on request. Conversion of other media or operating data
(pressure, temperature, density, viscosity) is performed using the calculation method in
accordance with VDI /VDE Directive 3513
MA_H250_R02_en_269302_PRT.book Page 84 Tuesday, April 12, 2011 10:17 AM