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Alfa Laval S.p.A.

CP120

CP120 by Alfa Laval S.p.A. is a member of the Compabloc welded plate-and-block heat-exchanger range. Its core consists of corrugated heat-transfer plates welded to form alternating hot and cold flow channels inside an openable pressure casing. The construction is intended for compact process heating, cooling, condensing or heat-recovery duties where high thermal effectiveness and access for cleaning are important. On board it may be fitted in specialised fuel, chemical, waste-heat, refrigeration or process systems, depending on the vessel design and selected materials. Baffles and flow arrangement are configured for the required duty, so the exact number of passes and metallurgy must be taken from the unit data sheet. The CP 120 designation identifies its size within the Compabloc family; neighbouring CP models primarily provide different physical and thermal design envelopes rather than a different operating principle.

Alfa Laval S.p.A. CP120

Components & Design

Component data being added…

Technical Data

Model number CP120
Max flow rate 1500.0 m3/h
Design pressure 42 bar
Max temperature 350 C
Application welded plate-block, very large industrial
Construction Fully welded plate-and-block
Plate material Stainless steel / titanium / Hastelloy / SMO 254 / 904L
Service interval Mechanical cleaning at 5,000-8,000 operating hours typical

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Common failures & inspection points

Fouling in process channels from dirty or polymerising media, noticed as increasing pressure drop and loss of thermal performance
Internal plate or weld leakage from corrosion, fatigue or incompatible media, indicated by cross-contamination between circuits
Cover-gasket leakage after ageing, incorrect assembly or thermal cycling, seen as external seepage at the casing
Flow maldistribution or blocked passages, causing uneven outlet temperatures and reduced duty
Corrosion at covers, nozzles or pressure-retaining parts where coating, material selection or drainage is inadequate

Service & Maintenance

Record temperatures, pressures and pressure drop on both sides so deterioration can be identified before capacity is lost. Inspect covers, nozzles, gaskets and accessible plate surfaces for fouling, corrosion or leakage and clean chemically or mechanically using methods approved for the installed materials. After any opening, use the correct gasket arrangement and tightening sequence and verify leak tightness before return to service. Class attention is normally on pressure-boundary condition, material and repair traceability, isolation and leak-test records; refer to the manufacturer documentation for the exact figure.

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Replacement Parts

Keep cover gaskets and connection sealing items matched to the installed metallurgy, plus maker-specified service hardware and cleaning consumables. For critical duties, hold repair material or approved spare pressure-cover components according to the vessel's redundancy and trading pattern.
Equipment Model #153051 · ✓ still in production