"> Onda Onda S7 Series
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Onda

Onda S7 Series

Onda Onda S7 Series is listed in this library as a marine heat exchanger in the Heat Exchangers / Brazed Plate Heat Exchanger category. Equipment of this class is typically installed in the machinery space as part of a cooling, heating, lubricating-oil, fuel, or process circuit. Its shipboard purpose is to transfer heat between two fluid circuits without normally mixing the media. The exact piping, electrical, control, foundation, and accessory arrangement depends on the vessel and the supplied configuration. No additional verified rating, capacity, weight, dimension, or operating limit is provided in the source entry. Where adjacent models in the same product family differ in rating, size, materials, control options, certification, or accessories, refer to the manufacturer documentation for the exact model-specific differences.

Components & Design

Component data being added…

Technical Data

hx type brazed_plate_heat_exchanger

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Common failures & inspection points

Fouling on the heat-transfer surfaces from scale, sludge, biological growth, or oil contamination reduces thermal performance and appears as rising outlet temperature or reduced temperature approach
Gasket, seal, tube, or plate leakage caused by ageing, corrosion, or mechanical damage can allow external leakage or cross-contamination between circuits
Restricted flow from debris or deposits raises differential pressure and can reduce downstream flow
Corrosion or erosion of wetted surfaces caused by unsuitable water chemistry, velocity, or material attack can produce pinhole leakage and contamination
Loose covers, plate packs, or connections after maintenance can cause leakage, unstable temperatures, or loss of system pressure

Service & Maintenance

Inspect for external leakage, corrosion, abnormal temperature difference, flow restriction, and evidence of cross-contamination. Trend inlet and outlet temperatures and differential pressure where instruments are fitted, clean the heat-transfer surfaces using an approved method, and verify tightening or assembly against the manufacturer documentation.

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Replacement Parts

Keep the applicable gasket or seal set, connection seals, and any model-specific plate, tube, or fastening items recommended by the manufacturer. For the exact spare quantities and part numbers, refer to the manufacturer documentation.
Equipment Model #79311 · ✓ still in production