Technical data

38 / 70
Siemens Valves VVF..,VXF.. CE1P4030en
Building Technologies Engineering 12.09.2011
2.12.3 PN 25 valves with flanged connections
Operating pressure [bar]
-20
25
24
23
22
21
20
19
18
1
0
-1
0
180
020 80100 200
120 140 160
220
240
Medium temperature [°C]
Curve for saturated steam; steam forms below this line
Operating pressure according to EN 1092, valid for 2-port valves with
blank flange
Operating pressure and operating temperatures as per ISO 7005, EN 1092
and EN 12284
All relevant local directives must be observed
Abs. operating pressure [bar]
Medium temperature [°C]
Wet steam To be avoided
Saturated steam
Superheated steam
Permissible operating range
A
Subcritical pressure ratio
B
Supercritical pressure ratio
Fluids
V..F53..
Note
Saturated steam
Superheated steam
VVF53..