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PGS100 AND PAS100 | PRESSURE TRANSMITTERS | OI/PGS/PAS100-EN REV. A
...4 Mounting
Measuring pipe
In order for the pipes to be laid correctly, the following points must be observed:
• Keep the measuring pipe as short as possible and avoid sharp bends.
• Lay the measuring pipe in such a way that no deposits can accumulate in it. Gradients should not be less than approx. 8 %
(ascending or descending).
• The measuring pipe should be blown through with compressed air or, better yet, flushed through with the measuring medium
before connection.
• Completely depressurize the measuring pipe if the medium is a fluid.
• Lay the measuring pipe in such a way that gas bubbles (when measuring fluids) or condensate (when measuring gases) can
flow back into the process line.
• When measuring steam, lay the measuring pipe in such a way that hot steam cannot flow back into the process connection
(water trap, e.g., a water trap pipe that is filled with water before installation).
• Check the tightness of the connection.
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