3-A approval—the gold standard for hygienic food equipment design—is now given to the complete range of HRS hygienic heat exchangers with the recent approval of the MR Series and DTAR Series of hygienic corrugated tube heat exchangers. The approval recognizes a number of design features, including smooth welding, and assurance that that any surface that comes into contact with product can be mechanically cleaned or easily dismantled for manual cleaning and inspection.  

The MR Series of shell and tube corrugated tube heat exchangers are designed for product-to-product heat recovery. The MR Series is completely constructed from stainless steel for sanitary applications like food and beverage manufacturing. Product flows through both the inner tube and the surrounding shell for regeneration duties, while the removable tubes allow hygienic processing on the shell side.

Product that has already been heated can be run past cold incoming product for preheating, reducing the amount of energy needed to bring the new product up to pasteurization temperature. A floating protection system eliminates the risks of cracks that could lead to cross-contamination of product. HRS corrugation technology also increases the efficiency of heat transfer over standard smooth tube heat exchangers while minimizing fouling.

The HRS DTAR Series boasts the same features as the MR Series, but is designed for products with higher viscosities, or those that contain particulates.

HRS Heat Exchangers: www.hrs-heatexchangers.com