AGC HEAT TRANSFERAGC has a new fixed footprint, automatic hydraulic open-close frame, model AR51-D, which allows processors to install a new HTST/plate heat exchanger unit and select a frame size large enough for any future increased flow.  Future increases in flow can be achieved by addition of plates only, and the existing frame will be capable of handling the larger number of plates within the same fixed footprint. The system also includes a simple hydraulic closure system with two spindles and programmable logic controller.