Manual VLP

VLP
16
EN
Setting
1. Turn the setting wheel to desired value, e.g. 5.0.
Sizing
1. Choose the smallest valve size that can
obtain the design flow with some safety
margin, see “q
max
values”. The setting
should be as open as possible.
2. Check that the available ∆pV is within the
working range 15-400 kPa or 23-400 kPa.
Measuring accuracy
Maximum flow deviation at different settings.
*) Setting (%) of fully open valve.
Shut-off
1. Turn the setting wheel clockwise to X.
0
2
4
6
8
10
12
14
16
18
20
22
24
02040608
0100
[%] *
± %
10 30 50 70 90