Shell-and-Tube Heat Exchanger · Heat Exchangers
Donghwa Entec Deaerator (Spray & Scrubber Type) — Marine Feed-Water Deaeration. As a Shell-and-Tube Heat Exchanger, it is normally installed in an engine-room cooling, heating, condensing, feedwater or process circuit according to the listed duty. In that role, its primary purpose is to transfer heat between two fluid streams while keeping the media separated, or to condition feedwater in a heat-transfer vessel. Shell-and-tube units differ from plate exchangers through their tube bundle and shell construction, and special deaerators or air heaters add process functions beyond simple liquid-to-liquid cooling. For exact ratings, dimensions, settings, capacities, materials and variant-specific limits, refer to the manufacturer documentation for the exact figure.
What our service work and the manufacturer documentation say about keeping this model running.
Trend inlet and outlet temperatures, pressure drop and leakage. Inspect tubes, tube sheets, covers, gaskets and internal deposits when opened and use an approved cleaning method. Investigate cross-contamination and repeated loss of thermal performance. Refer to the manufacturer documentation for the exact figure for tube condition, test pressure and cleaning limits.
Carry cover gaskets, tube plugs or approved tube-repair provisions, seals, strainers and compatible cleaning materials appropriate to the installed exchanger.
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