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The Cylinder Pressure System consists of the 165855 Cylinder
Pressure Transducer and the 146824 Interconnect cable. It is
intended for measuring the cyclic absolute pressure changes
inside a reciprocating compressor cylinder. This transducer is
an integral part of a Reciprocating Compressor Condition
Monitoring and Asset Management System when utilized with
our 3500/77M Cylinder Pressure Monitor and System 1 Plant
Asset Management Software.
The Cylinder Pressure Transducer has a robust design for
high reliability in harsh chemical environments. The unique,
patent-pending design also allows the transducer to
continue to provide an accurate pressure reading, even after
being continually cycled over large pressure gradients for an
extended period of time. The transducer can also withstand
over-pressure situations caused by application upsets
without diaphragm degradation, returning to normal
operation when the operating pressure returns to the
transducer’s specified operating pressure range. The Cylinder
Pressure Transducer is also designed to meet NEMA 4X and
IP67 conditions for moisture ingression.
The wetted surface of the transducer is typically installed into
an isolation valve or similar pressure indicator port on the
compressor. A special adapter is usually required to provide
a seal between the pressure indicator port and the
transducer (such as the 166393 adapter). The electronics
portion of the Cylinder Pressure Transducer is separated from
the wetted surface by 1 metre of cable. The electronics must
be secured on or near the compressor for optimal
performance.