Sanitary Double Tube Heat Exchangers – HRS DTA Series

A tube in tube heat exchanger for processing food with large particles. The large diameter of the inner tube allows food to be processed without blockages. Promotes high heat transfer and is easy to clean. A true counterpart for heating, cooling and pasteurization.

The product flows through the inner tube and the service fluid flows through the surrounding shell. This means the product and the heating medium never come into direct contact ensuring the product remains uncompromized whilst still offering optimum heat transfer.

Because of its geometry, the DTA Series is a true counter-current heat exchanger. Using our corrugation technology, heat transfer is increased whilst minimizing fouling, making the DTA Series more efficient than similar smooth tube heat exchanger designs.

A bellow is fitted to absorb differential expansion between shell and tube and multiple units can be interconnected for larger applications. Options include frame mounting, insulation and stainless steel cladding.

HRS DTA Series is suitable for viscous products with large particulates in suspension.

For high viscosity food products like honey, fruit jams and marmalades, please refer to our Annular Space and Scraped Surface Heat Exchangers product range


Designed in accordance with ASME

  • Service side: AISI 304 stainless steel
  • Product side: AISI 316L stainless steel
    Other material options available


  • Service side: Flange
  • Product side: Clamp
    All flange & clamp types available

Surface Finish:

  • External: Polished
  • Internal: <0.8μ
    Other surface finishes available

Design code and compliance:

  • PD 5500, PED 2014/68/EU, ASME
  • FDA, 3A, TR CU 032, DOSH Compliant

_HRS DTA Series Hygienic Double Tube Heat Exchanger

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