Micropilot M
18
Hauser
Installation in stilling well
FMR 230 / 240
Optimum mounting position
Standard installation
•
Observe installation instructions on page 13.
•
Marker is aligned toward slots.
•
The marker is always exactly in the middle between two bolt-holes in the flange.
•
After mounting, the housing can be turned 350° in order to simplify access to the display and
the terminal compartment.
•
Measurements can be performed through an open ball valve without any problems.
Recommendations for the stilling well
•
Metal (no enamel coating, plastic on request).
•
Constant diameter.
•
Weld seam as smooth as possible and on the same axis as the slots.
•
Slots offset 180° (not 90°).
•
Slot width respectively diameter of holes max. 1/10 of pipe diameter, de-burred. Length and
number do not have any influence on the measurement.
•
Select horn antenna as big as possible. For intermediate sizes (i.e. 180 mm) select next larger
antenna and adapt it mechanically.
•
At any transition (i.e. when using a ball valve or mending pipe segments), no gap may be
created exceeding 0.1 mm.
•
The stilling well must be smooth on the inside (average roughness Rz
≤
30). Use extruded or
parallel welded stainless steel pipe. An extension of the pipe is possible with welded flanges or
pipe sleeves. Flange and pipe have to be properly aligned at the inside.
•
Do not weld through the pipe wall. The inside of the stilling well must remain smooth. In case of
unintentional welding through the pipe, the weld seam and any unevenness on the inside need
to be carefully removed and smoothened. Otherwise, strong interference echoes will be
generated and material build-up will be promoted.
•
Particularly on smaller nominal widths it needs to be observed that flanges are welded to the
pipe such that they allow for a correct orientation (marker aligned toward slots).
L00-F
M
R230x
x
-17-00-00-en-006
www.aotewell.com
www.fa-market.com
AoteWell International.inc
Tel: +852-6563-2160
