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On the top of most arched tanks, the length of the nozzle plus flange is 150-
180mm, while the probe thread in ultrasonic level meter is not as long as this (the
extended probe can be customized to our company so that the emitting surface of
the probe is lower than the bottom of the nozzle). Under such circumstances, we
need to pay attention to the proportional relationship between the diameter and
length of the nozzle.
nozzle
NO
length
1
150mm
2
200mm
3
250mm
4
300mm
5
400mm
（3）Open tank
For open tank, the bracket can be used for installation. Attention should be paid to
the bearing capacity of the bracket to keep a certain distance between the sensor
and the container wall. If the inner wall of the open tank or silo is flat up and down,
no hanging occurs, and no other objects are on the inner wall, then the distance
between the sensor and the container wall is shown in the following table:
Maximum
range
5M
15M
Minimum size of
nozzle Inner diameter
100mm
150mm
180mm
220mm
280mm
Minimum distance
from wall
0.5M
1.5M
Chapter 2 Installation
Remarks
The inner wall of the nozzle is
free of burrs and bulges, vertical
from top to bottom, and the
welding seam must be polished.
The joint between the nozzle and
the tank top shall be polished at
an oblique angle of 45℃ from the
inside to the outside of the nozzle.
Maximum
Minimum distance
range
10M
20M
from wall
1.0M
2.5M
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