ABB Endura AZ40 Manual page 9

Mounting the probe
WARNING – Bodily injury
— Ensure suitable lifting equipment and qualified
personnel are available when mounting the sensor /
probe / filter assembly.
Preparing the stand-off – low temperature applications
Refer to Fig. 7 for flange options and recommended stand-off
pipe dimensions:
2 in. NB pipe
152 mm
(6 in.)
Standard (low temperature) probe
Fig. 7 Recommended stand-off pipe dimensions – low temperature
applications
CI/AZ40-EN Rev. A
Fitting the stand-off – low temperature applications
Referring to Fig. 8:
1. Cut a hole in the outer wall / plate
diameter:
— 63 mm (2.5 in.) for 2 in. NB schedule 40 tube
2. On the same centre line, cut a hole through the refractory
with the following diameter:
— 50 mm (2 in.) for 2 in. NB schedule 40 tube
All flange
options
3. Weld the pipe section
4. Insulate the pipe section
thick insulation material
heated if it is longer than 152.4 mm (6 in.) or if mounted at a
site where the temperature is <4.4 °C (40 °F).
5. Temporarily cover opening
assembly is ready for installation.
Fig. 8 Mounting – preparing the stand-off (low temperature applications)
Preparing the stand-off – high temperature applications
Refer to Fig. 9 for flange options and recommended stand-off
pipe dimensions:
Fig. 9 Recommended stand-off pipe dimensions –
high temperature applications
IMPORTANT (NOTE)
If possible, taper the exit hole
approximately 15 °.
D
(complete with flange
D
with at least 25.4 mm (1 in.)
F
. The pipe section may need to be
G
until the sensor / probe / filter
15º
3 in. NB pipe
300 mm
(12 in.)
High temperature probe only (3 in. NB pipe)
A
with the following
B
C
E
) in place.
G
3 in. ANSI or
80 DIN flange
9