scope:

This 3-A Sanitary Standard applies to the sanitary aspects of plate type heat exchangers beginning with the inlet fittings for product(s) and for heat exchange media and ending with the outlet fittings for product(s) and for heat exchange media. This standard includes the frame and/or support components for holding the heat exchange plates and the means for manual and non-manual opening and closing of the plate pack assembly.

To conform to this 3-A Sanitary Standard, plate heat exchangers shall conform to the following criteria for design, materials of construction, fabrication techniques and installation, as applicable, and the current revisions or editions of all referenced documents cited herein.