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Packing
Cases
To fully complement the CPI range of packings and
oil wiper rings, packing cases are also manufactured
in a range of materials from cast iron to high grade
alloy steels, capable of operating in pressures
of up to 700 bar, and also materials such as Hastelloy
C for extreme corrosive conditions.
Special
Packing Case Designs
As well as the more conventional packing case designs
fitted with radial/tangent packings, CPI also offers
specialised packing designs for more specific applications
such as a triple circle ring style (CPI type B69)
using our special Polymer Alloy™ materials.
In
other instances, such as non lube dry CO compressors,
we have designed a special labyrinth packing assembly
to overcome the problems associated with this duty.
Reconditioning
CPI
also offers a reconditioning service to fully refurbish
packing cases back to as new condition.
Emission
Systems
Gas
Purge Control Systems
CPI
also supply a range of gas purge control systems
to maintain buffer differential and monitor rod-packing
conditions in reciprocating compressors, for both
single and multi cylinder units that offer manual
or automatic maintenance of buffer pressure/vent
differentials.
Custom
made systems are available with multi-buffer and
additional purge operations with optional pressure
sensor for alarm functions, H2S monitoring or complete
shut-down systems for total control. These systems
can also be made to provide information to determine
the status of rod packings, which can assist in
planning shut-downs, alleviating emergency reaction
to unscheduled problems.
CPI
Static Seal
Designed
to be activated when it is necessary to hold pressure
within the cylinder of a compressor, at which point
some leakage of expensive, noxious or potentially
explosive gases usually occurs. The CPI static seal
provides an ideal solution that can virtually eliminate
packing case leakage, during the need for compressor
inactivity.
When
used in conjunction with special vented or buffered
packings the CPI static seal can provide almost
total control of gas leakages, and can be adapted
to suit most compressor operating pressure levels.
Download Packing data
collection sheet.pdf
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