Endress+Hauser prowirl 77 - Page 57

Process conditions (continued)
Process pressure DIN: PN 10...40
ANSI: Class 150 / 300
JIS: 10K / 20K
Pressure-temperature curve of Prowirl 77 W and F:
Pressure-temperature curve of Prowirl 77 H:
Pressure loss Dependent on nominal diameter and fluid:
∆p [mbar] = coefficient C · density ρ [kg/m
3
]
D
N
25
D
N
40
D
N
50
D
N
80
D
N
15
D
N
100
D
N
150
D
N
200
D
N
250
D
N
300
0,5
1 2 3 4 5 10 20 30 40 50 100 200 500 1000 2000 5000 10000 20000
0,01
0,05
0,1
0,5
1
5
10
50
100
V in m
3
/h
Coefficient C
ba037y31
300 400100 200
0-100-200
20
30
40
50
0
10
° C
Pressure [bar]
ba037y32
300 400100 200
0-100-200
40
80
120
160
180
0
20
60
100
140
180
PN 160
PN 100
PN 64
° C
Cl.600
Pressure [bar]
ba037y32
Prowirl 77 PROFIBUS-PA 9 Technical Data
Endress+Hauser 57