Technical Data - Ista Ultego III perfect Manual

Technical data

Nominal flow Q /Q
n p
Meteorological Class
Maximum flow rate Q
s
Minimum flow rate Q
i
Response limit
Pressure loss ∆p at Q
p
Thread
Flange
Pressure loss ∆p = 1 bar
Thread
Flange
Installation position
Temperature range limit values
Maximum temperature
Nominal pressure
Permissible metering error
acc. EN 1434 (Class 2)
m 3 /h 3.5
1:100
m 3 /h 7.0
l/h 35
l/h 14
mbar 65
65
K m 3 /h 14
v
3
K m /h 14
v
t
max
PN 1.6 MPa (PN16)
2.5 MPa (PN25)
6 10 15
1:100 1:100 1:100
12 20 30
60 100 150
24 40 60
150 100 –
150 165 100
15 32 –
15 32 48
Variable
5...130 °C
150 °C for 2000h
2 + 0.02 q
max. 5%
25 40
1:100 1:100
50 80
250 400
100 160
– –
105 160
– –
77 100
2.5 MPa (PN25)
2.5 MPa (PN25)
/q %
p
60
1:100
120
600
240
–
115
–
177
1.6 MPa (PN16)
2.5 MPa (PN25)