"> GEA (Germany) NT Series / Free Flow
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GEA (Germany)

NT Series / Free Flow

GEA is a German engineering corporation with a large heat exchanger division (Sarstedt). The NT series is GEA's standard plate heat exchanger for marine applications. Special feature: the free-flow variant with wide channels for viscous media such as HFO and lube oil. Estimated market share in the marine sector 10-15%, behind Alfa Laval and APV.

GEA (Germany) NT Series / Free Flow
50-8,000 kW thermal
Capacity
Freshwater / Seawater / Lube Oil / Fuel Oil
Medium

Components & Design

Component data being added…

Technical Data

type Gasketed Plate Heat Exchanger
variant count approx 5
period start year 1985
drive type Passive
construction Stainless steel / titanium plates, clip-on gaskets

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Common failures & inspection points

●Gasket deterioration from thermal stress
●Plate pitting from chloride corrosion on seawater side
●Frame bolt elongation from repeated torquing

Service & Maintenance

Gasket replacement every 5-8 years. GEA Free Flow models for viscous media (fuel oil) require less frequent cleaning. Plate inspection at gasket renewal.

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Replacement Parts

GEA Heat Exchangers (Sarstedt, Germany). Clip-on gaskets — easier and faster installation than glued types. Lead time: 2-4 weeks.
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Equipment Model #37737 · ✓ still in production