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.