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2.2
Mounting instructions without diaphragm seal
The Barcon without diaphragm seal is mounted in the same way as a manometer. The
use of shut-off valves and pigtails is recommended. The position depends upon the
application.
•
Measurement in gases:
Mount the shut-off valve above the tapping point so that condensate can
run back into the process.
Fig.2.1:
Mounting on a shut-off valve for measuring gases
•
Measurement in steam:
Mount with a pigtail above the tapping point.
The pigtail reduces the temperature in front of the diaphragm to almost
ambient temperature. Before start-up, the pigtail must be filled with water.
Fig. 2.2:
left:
Mounting with U-shaped pigtail for measuring steam
right:
Mounting with circular pigtail for measuring steam
Barcon LHC/PPC (HART)
Installation
Barcon
without diaphragm seal
– PPC-M10, PPC-M20
– LHC-M20
13
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