Deltabar PMD75B HART
Commissioning
Hauser
45
+
–
A
B
–
P2
+
P1
6
7
3
2
4
+
–
A
B
II
I I
I
III
–
P2
+
P1
6
7
3
2
4
I
II
I
1
5
A0030036
I
Measuring device
II
Three-valve manifold
III
Separator
1, 5 Drain valves
2, 4 Inlet valves
3
Equalizing valve
6, 7 Vent valves on the measuring device
A, B Shutoff valve
Top diagram: preferred installation for gases
Bottom diagram: preferred installation for liquids
1. Close 3.
2. Fill measuring system with fluid.
Open A, B, 2, 4. Fluid flows in.
3. Clean the pressure piping if it is blocked (for arrangements with 5 valves).
By blowing out with compressed air in the case of gases. By rinsing out in the
case of liquids.
Close 2 and 4 (seal off the measuring device).
Open 1 and 5 (blow clear/rinse pressure piping (for arrangements with 5
valves)).
Close 1 and 5 (close valves after cleaning (for arrangements with 5 valves)).
4. Vent the measuring device.
Open 2 and 4 (introduce fluid).
Close 4 (low-pressure side).
Open 3 (balance high-pressure and low-pressure side).
Open 6 and 7 briefly, then close them again (fill the measuring device completely
with fluid and remove air).
5. Set measuring point to operation.
Close 3 (separate high-pressure side and low-pressure side).
Open 4 (connect low-pressure side).
