System for bulk high pressure processing and related method

A system for high pressure processing of a bulk, flowable product in a high-pressure processing chamber configured to receive the product in carriers, comprising:

• a flexible, disposable, collapsible product holding bag sized for bulk processing of a flowable product, the bag having a fitment for filling and emptying the bag with the flowable product, the bag sized to be receivable within the carrier with the fitment positioned to be accessible for filling and emptying the bag while in the carrier;
• a flow connector to connect with the fitment during filling and emptying of the bag;
• a control system for controlling the filling of the bag through the flow connector and/or emptying the bag through the flow connector;
• a support for supporting the carrier in tilted orientation during the filling and emptying with the bag while disposed within the carrier;
• and
• wherein the control system alters the tilt of the bag as the bag is being filled and/or as the bag is being emptied.