WIKA DPT-20, Руководство по эксплуатации

Страница: 55 / 88

55
7 Set up measuring system
WIKA Operating Instructions - Differential pressure transmitter DPT-20
7.2 Flow measurement
+
–
I
II
+
6
7
3
2 4
Fig. 42: Prefered measurement setup for gases, connection via 3-fold valve
block, flanging on both sides
I DPT-20
II 3-fold valve block
2, 4 Inlet valves
3 Breather valve
6, 7 Vent valves on DPT-20
A B
+
1 5
6 7
3
2 4
II
I
+
–
III III
Fig. 43: Preferred measurement setup for liquids
I DPT-20
II 3-fold valve block
III Precipitator
1, 5 Drain valves
2, 4 Inlet valves
3 Breather valve
6, 7 Vent valves on DPT-20
A, B Blocking valves
Proceed as follows:
Gases
Liquids