Installation
Dosimag
16
Hauser
6
Installation
6.1
Installation conditions
6.1.1
Mounting position
Mounting location
h
A0023343
Preferably install the sensor in an ascending pipe, and ensure a sufficient distance to the
next pipe elbow: h ≥ 2 × DN
To prevent measuring errors arising from accumulation of gas bubbles in the measuring
tube, avoid the following mounting locations in the pipe:
• Highest point of a pipeline.
• Directly upstream of a free pipe outlet in a down pipe.
Installation in down pipes
Install a siphon with a vent valve downstream of the sensor in down pipes whose length h
≥ 5 m (16.4 ft). This precaution is to avoid low pressure and the consequent risk of
damage to the measuring tube. This measure also prevents the system losing prime.
For information on the liner's resistance to partial vacuum → 65
h
2
1
A0017064
3
Installation in a down pipe
1
Vent valve
2
Pipe siphon
h
Length of down pipe
Installation in partially filled pipes
A partially filled pipe with a gradient necessitates a drain-type configuration.
