Vatech PL25 web - Flipbook - Page 119
TRYKTABSKURVER FOR AVK KUGLEKONTRAVENTILER
AVK kuglekontraventiler – Tryktab, DN250 og DN300
Horisontal installation
Tryktab - Serie 53 - DN250 og DN300 - Horisontal installation
Pressure loss - Series 53 - DN250 and DN300 - Horizontal installation
8,0
0,80
7,5
0,75
7,0
0,70
6,5
0,65
6,0
0,60
5,5
Tryktabloss
[kPa]
Pressure
[kPa]
0,50
4,5
0,45
4,0
0,40
3,5
0,35
3,0
0,30
2,5
Pressure
loss [meters
Tryktab
[mVS] head]
0,55
5,0
0,25
2 m/s line
2,0
0,20
1,5
0,15
1,0
0,10
1 m/s line
0,5
0,05
0,00
0,0
0
50
100
150
200
250
300
350
400
450
500
550
600
Flowhastighed
Flow rate [m3/hr][m³/t]
DN250
DN300
Disseare
kurver
baseret
tests udført
iht. EN1267
på enwith
horisontal
installation.
These curves
basederon
tests, på
performed
according
to EN1267,
a horizontal
installation.
Alle All
kuglekontraventiler
er fuldt
ved0,5m/s.
ca. 0,5 m/s.
ball check valves are fully
openåbne
at approx.
119
