Vacuum Evaporator

This is a sap pre-processing system. Cold sap is pre-heated in the heat exchanger and is piped to the vacuum chamber. The low pressure created by the vacuum allows steam to be liberated at a temperature less than the normal boiling point of sap. The sap concentrate passes back through the heat exchanger to help raise the temperature of the incoming raw sap. The sap concentrate is then finished in a heated evaporator to obtain the characteristic maple flavor.