Graham Corporation Heliflow heat exchanger

Graham Corporation Heliflow heat exchanger, model number 8WXF-12, serial number 04-58751-2, 100 PSI at 350 degrees Fahrenheit maximum allowable working pressure and temperature for shell, 267 PSI at 400 degrees Fahrenheit maximum allowable working pressure for tubes, heating/cooling medium in tubes, product in shell, 1-1/4" threaded heating medium infeed and discharge, 1" threaded product infeed and discharge, approximately 800 square inches heat transfer surface area, copper tubes, counter current flow design, mild steel construction.