HRS Heat Exchangers Ltd.

HRS Heat Exchangers Ltd.

- Model AS 3 Series - Annular Space Heat Exchangers

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The HRS AS 3 Series is a fully stainless steel, triple tube heat exchanger designed for applications with viscous products. The product flows through the annular space and the service fluid flows through the inner and outer tubes to ensure even heating or cooling. The removable inner tube allows for easy inspection of the annular space. Using HRS’ corrugated tube technology, both heat transfer and efficiency are increased over standard smooth tube heat exchangers. In addition, potential fouling is minimised.

Applications

Typical Applications of the HRS AS 3 Series Heat Exchanger Include:

  • Higher Viscosity Products
  • Fluids Containing Fibres or Small Particulates

Applications related to Annular Space Heat Exchangers – HRS AS 3 Series

  • Environmental
  • Food & Beverages
  • Pharmaceutical
  • Industrial

Technical Data

Standard Materials of Construction:

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

Standard Connections:

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

Surface Finish:

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

Standard Design Conditions:

  • Service Side: 10 bar/185°C
  • Product Side: 10 bar/185°C

Design Code and Compliance

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

Features

  • Corrugated tubes for increased heat transfer for turbulent flow applications
  • Bellows are fitted as standard to absorb differential expansion between shell and annular space
  • Multiple units can be interconnected and have the option of frame mounting, insulation and cladding in stainless steel
  • Smooth tube option available for laminar flow applications

Range

The surface area and volumes shown are for 6m length models. *AS 154/129/104: up to 5 bar pressure on the service side.
The surface area and volumes shown are for 6m length models. *AS 154/129/104: up to 5 bar pressure on the service side.

Design Code and Compliance

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

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