Mean Axial Velocity Method; Aquaprobe Alignment - ABB Kent-Taylor AquaProbe Installation Manual

3.6.3 Mean Axial Velocity Method – Fig. 3.14
Warning. When inserting or removing the
AquaProbe suitable restraining equipment must be
used to prevent the probe being forced out under
pressure.
Information. Safety restraint omitted for clarity.
Unlock, slide positioning collar up and lock at distance:
D
+ VP + 30mm (1.181in) + pipe thickness
8
Slacken
Tighten
to 40Nm
(30ft lbf)
Open Fully
Insert probe to
position collar depth
Fig. 3.14 Setting the Insertion Depth –

Mean Axial Velocity Method

Retract probe fully
Slide positioning collar
down to nut and lock
Lower probe to
touch valve plate
Measure to top
of valve plate (VP)
Determine
internal
diameter
(D)
3 MECHANICAL INSTALLATION
3.7 AquaProbe Alignment – Fig. 3.15
Warning. When inserting or removing the
AquaProbe suitable restraining equipment must be
used to prevent the probe being forced out under
pressure.
Information. Measurement
misalignment is <0.15%.
Information. Safety restraint omitted for clarity.
Slacken Tighten
40Nm
(30ft lbf)
Fig. 3.15 Probe Alignment
error due to
Align parallel to pipe
(within 2°)
9