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Finned Tube Radiator for Surface Air Cooler | Generator & Turbine Coolers | CSTHEATEXCHANGER

Views: 0     Author: Site Editor     Publish Time: 2026-10-13      Origin: Site

Large hydro generators, thermal turbo-generators, and high-voltage industrial induction motors generate substantial electrical and mechanical friction heat (I2RI2R copper losses, iron core losses, and windage friction). Overheating stator and rotor windings degrades electrical insulation, causing generator trips and catastrophic flashovers.

At CSTHEATEXCHANGER, we engineer and manufacture Utility-Grade Finned Tube Radiators for Surface Air Coolers (SAC). Custom-dimensioned to fit generator stator air passages, our surface air coolers provide 100% leak-proof, closed-loop air cooling, protecting multi-megawatt power generators with uncompromised thermal reliability.

High-reliability finned tube heat exchangers and replacement bundles by CSTHEATEXCHANGER for hydro generator and turbine Surface Air Coolers.jpg

1. Why Choose CSTHEATEXCHANGER for Surface Air Coolers?

  1. Raw Water & River Water Metallurgy: CuNi 90/10, 316L stainless steel, or Admiralty brass tubes resist biofouling, erosion-corrosion, and silt abrasion from raw lake and river cooling water.

  2. Double-Tube & Leak Detection Options: Available with double-tube safety construction and integrated water-leak sensors, preventing any water droplet from entering the high-voltage electrical stator winding zone.

  3. 1:1 Drop-In Replacement for Legacy Generators: Replicates exact casing mounting dimensions, flange hole patterns, and header water box configurations for all power plant generator frames.

  4. 100% Quality & Non-Destructive Testing (NDT): Hydrostatically tested up to 2.5 MPa, pneumatic immersion tested with helium mass spectrometry, and backed by certified material test reports (MTR).

2. Technical Specifications

Parameter

CSTHEATEXCHANGER Surface Air Cooler Specs

Power Applications

Hydro Generators, Turbo-Generators, Synchronous Condensers, Large Motors

Tube Metallurgy

90/10 CuNi, Seamless C12200 Copper, SS304, SS316L, Admiralty Brass

Fin Options

Extruded Bimetal Al, Hydrophilic Al, Copper Fins, 304 SS (8–14 FPI)

Water Box Construction

Removable Cover-Plate Water Box for Easy Mechanical Tube Cleaning

Design Pressure

1.0 MPa to 2.5 MPa (Hydro-Tested to 1.5x)

3. Contact CSTHEATEXCHANGER for Surface Air Cooler Sizing

Ensure uncompromised generator electrical uptime. Contact CSTHEATEXCHANGER today for surface air cooler replacement bundle calculations and drawings.

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