9
Measure to top
of valve plate (VP)
Determine
internal
diameter
(D)
Open Fully
Lower probe to
touch valve plate
Retract probe fully
Slide positioning collar
down to nut and lock
Slacken
Tighten
to 40Nm
(30ft lbf)
Insert probe to
position collar depth
D
8
Unlock, slide positioning collar up and lock at distance:
+ VP + 30mm (1.181in) + pipe thickness
3.6.3
Mean Axial Velocity Method – Fig. 3.14
3
MECHANICAL INSTALLATION
3.7
AquaProbe Alignment – Fig. 3.15
Fig. 3.15 Probe Alignment
Align parallel to pipe
(within 2
°
)
Slacken Tighten
40Nm
(30ft lbf)
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.
Warning. When inserting or removing the
AquaProbe suitable restraining equipment must be
used to prevent the probe being forced out under
pressure.
Information. Measurement error due to
misalignment is <0.15%.
Information. Safety restraint omitted for clarity.
Fig. 3.14 Setting the Insertion Depth –
Mean Axial Velocity Method
Содержание Kent-Taylor AquaProbe
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