HRS MI Series: Food-grade multitube heat exchanger.

The MI series heat exchanger is an all stainless steel shell and tube heat exchanger for food industry use. The product to be heated or cooled flows through the interior tubes. The media fluid flows through the surrounding shell. The MI series is the ideal heat exchanger for pasteurization applications. Corrugated tubes are used to increase heat transfer rates which makes the MI series much more efficient than normal smooth tube heat exchangers.

  • Cutaway detail of a MI Series heat exchanger header.

Applications.

  • Low to medium viscosity fluids.
  • Food industry applications.

Materials.

  • Shell side: AISI 304 stainless steel.
  • Tube side: AISI 316L stainless steel.

Connections.

  • Shell side: Clamp.
  • Tube side: Clamp.

Finishing.

  • Shell side: Externally polished.
  • Tube side: Roughness < 0,8 microns.

Design conditions.

  • Shell side: 10 barg / 150 ºC.
  • Tube side: 10 barg / 150 ºC.

An expansion bellow is fitted in the outer shell for absorbing the differential expansion between the shell and the inner tube.

  • Cutaway of a MI Series heat exchanger.

For large duties, multiple units can be interconnected and mounted in a frame.

  • MI Series heat exchangers frame-mounted for for a fruit juice application.
ModelLength (m)Area (m2)Shellside connectionTubeside connectionMax flow shellside (m3/hr)Max flow tubeside (m3/hr)Volume shellside (l)Volume tubeside (l)
MI 7 76/183,0-6,02,32"2"161314,48,3
MI 12 89/163,0-6,03,62,5"2271719,210,9
MI 12 104/183,0-6,04,33"3"392527,015,4
MI 21 114/163,0-6,06,23"3"393131,619,1
MI 21 129/183,0-6,07,03"3"393941,025,0
MI 32 154/183,0-6,010,74"4"766256,738,0

The surface area and volumes shown are for 6,0 meter lengths models.

3-A Symbol.

Authorization Number: 1642
This is to Certify that: HRS Heat Exchangers SLU
C/ Castillo de la Concepcion, 14, Pol. Ind. San Martin, Lorqui, Murcia 30564 SPAIN
is hereby authorized to continue to apply the 3-A Symbol to the models of equipment, conforming to 3-A Sanitary Standards for:
Number: 12-07, Tubular Heat Exchangers
set forth below
MI 7 76/18, MI 7 89/20, MI 7 104/25;
MI 12 89/16, MI 12 104/20, MI 12 129/25;
MI 21 114/16, MI 21 129/18, MI 21 140/20;
MI 32 154/18.[...]

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HRS Heat Exchangers manufactures heat exchangers and piston pumps for the food and other industries.