"> Onda Onda TL 20 Series
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Engines
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Onda

Onda TL 20 Series

Onda Onda TL 20 Series is identified in the source list as a shell-and-tube heat exchanger. It is normally installed in an engine-room cooling, heating or process system with one medium routed through tubes and the other around the tube bundle inside the shell. Its purpose is to transfer heat between separated fluid circuits while providing a robust pressure-containing arrangement suitable for marine service. The existing database record provides no additional model-specific operating figure beyond the listed designation and category. Compared with plate exchangers, the shell-and-tube arrangement uses a tubular heat-transfer surface and may allow mechanical tube-side cleaning depending on construction. The exact model designation identifies shell, bundle and connection configuration; tube material, surface area and duty must be confirmed from manufacturer documentation.

Components & Design

Component data being added…

Technical Data

hx type shell-and-tube_heat_exchanger

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Common failures & inspection points

●Tube-side fouling caused by scale, sludge or biological growth, resulting in reduced heat transfer and increased pressure drop
●Tube corrosion or erosion caused by incompatible water chemistry, velocity or deposits, resulting in internal cross-leakage
●Tube-sheet or cover leakage caused by gasket deterioration or joint damage, resulting in external leakage
●Flow restriction caused by debris or blocked tubes, resulting in reduced capacity and uneven temperatures
●Vibration or support damage caused by flow-induced forces or loose internal components, resulting in noise, tube wear or leakage

Service & Maintenance

Trend temperatures and pressure drop and inspect accessible covers, tube sheets and connections for leakage. Clean the tube side using a method suitable for the deposits and tube material. Pressure-test or leak-test the circuits when cross-contamination is suspected, following the approved procedure. Inspect sacrificial protection where fitted and check for erosion at inlets and tube ends. Ensure connected piping is independently supported. Refer to manufacturer documentation for exact test pressure, tube-plugging limits and acceptance criteria.

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Replacement Parts

Keep cover gaskets, O-rings or seals, sacrificial anodes where fitted and approved tube-plugging or repair materials if permitted by the manufacturer and class. For critical equipment, spare covers or tube-bundle components may be held ashore. Confirm exact material and dimensions from the unit documentation.
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Equipment Model #79349 · ✓ still in production