Heat Exchangers 101
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A spiral tube heat exchanger is a coil assembly fitted in a compact shell that optimizes heat transfer efficiency and space. Every Sentry spiral assembly has welded tube to manifold joints for durability and strength. The coil assembly is welded to a head and fitted in a compact shell. The spaces or gaps between the coils of the spiral tube bundle become the shell side flow path.
The profile of a spiral is compact and fits in a smaller footprint than a shell and tube design. Since the tube bundle is coiled, space requirements for tube bundle removal are significantly reduced.
When exotic material is required, a spiral tube heat exchanger minimizes the material used since manifolds replace the channels, heads and tubesheets of a conventional shell and tube design. The shell side is usually smaller than a comparable shell and tube design and there are no requirements for tube supports or pass dividers.
ASME Stamped on request.
|Shell Material||Carbon Steel and Stainless Steel|
|Tube Material||Stainless Steel, Hastelloy, Inconel|
|Shell Pressure||150 psig at 400°F (10 barg at 204°C)|
|Tube Pressure||5000 psig at 1000°F (345 barg at 538°C)|
|Heat Transfer Area||1.0 ft² to 177 ft² (0.1 m² to 16 m²)|