Serck coolers keep temperature down in Navy’s latest submarine

Britain’s new Astute Class submarine currently on order from BAE Systems for the Royal Navy will feature high intensity oil coolers manufactured by Serck Heat Transfer, of Birmingham. The first of the class is already under construction at Barrow-in-Furness. Serck is supplying two high-intensity, seawater-cooled 410 oil coolers per boat, one primary and one stand-by. […]

Britain’s new Astute Class submarine currently on order from BAE Systems for the Royal Navy will feature high intensity oil coolers manufactured by Serck Heat Transfer, of Birmingham. The first of the class is already under construction at Barrow-in-Furness.

Serck is supplying two high-intensity, seawater-cooled 410 oil coolers per boat, one primary and one stand-by. The 410 oil cooler is a Serck design of the shell and tube type, specially developed to meet the Ministry of Defence’s stringent performance requirements, including a high degree of shock resistance.

Both coolers are mounted on the main machinery raft and are designed to process all the oil used throughout the various systems on board the submarine.

Effectice cooling ensures that engine components operate at lower temperatures, so improving reliability and service life.

The coolers offer exceptional thermal performance within a compact body shell. During construction the tube is expanded to achieve a high integrity bond with the tubeplate. The resulting structure is not only highly resistant to vibration and steep thermal gradients but also ensures efficient thermal transfer. The cooling element is easily demountable for routine maintenence and cleaning.

The 7,500-tonne Astute Class will be powered by nuclear reactors that will never need to be refuelled and provide all the vessel’s electrical power needs for its lifetime.

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