Beverage container, and a method of assembling a beverage container

A beverage container comprising:

• an outer container having a first mouth portion;
• a fitting having a beverage extraction pipe;
• and
• a replaceable component attached to the beverage extraction pipe and arranged in an inner space of the outer container,
• wherein the fitting comprises:
• an attachment portion attached to the first mouth portion of the outer container;
• a second mouth portion connectable to a beverage filling nozzle or a dispense head;
• an annular portion extending outward from the second mouth portion and connecting the second mouth portion and the attachment portion;
• and
• the beverage extraction pipe extending toward a bottom of the outer container,
• wherein the replaceable component comprises:
• a sealing member slidable along a longitudinal direction of the beverage extraction pipe and being in annular contact with an outer surface of the beverage extraction pipe at an installation position;
• a tubular body holding the sealing member and being supported by the beverage extraction pipe via the sealing member located at the installation position;
• and
• a bag for containing a beverage attached to the tubular body;
• wherein the tubular body includes:
• a tubular portion holding the sealing member;
• a first flange to which the bag is attached;
• and
• a second flange arranged above the first flange, and
• wherein an outer diameter of the second flange is smaller than an outer diameter of the first flange.