Demountable wall partition system

A demountable wall partition system (100) comprising:

• a first and a second demountable partition panel;
• and
• a flange connection element,
• wherein each of the first and second demountable partition panels
• has a front surface, a rear surface and side edges connecting the front surface and the rear surface, and
• comprises a board having a rear surface forming the rear surface of the associated first or second demountable partition panel and at least one panel mount bracket connected to the board and protruding from the rear surface of the board, the at least one panel mount bracket comprising a first end flange extending in a first flange plane parallel with the rear surface of the board and a second end flange,
• wherein the first and second demountable partition panels are arranged spaced apart with the rear surfaces of the associated first and second demountable partition panels facing each other such that the at least one panel mount bracket of the respective first and second demountable partition panel form at least one pair of aligned panel mount brackets,
• wherein the at least one pair of aligned panel mount brackets are connected to each other by means of the flange connection element which is connected to the second end flanges of the at least one pair of aligned panel mount brackets such that the flange connection element is supported by the at least one pair of aligned panel mount brackets, and
• wherein the demountable wall partition system further comprises a gasket arranged between the at least one pair of aligned panel mount brackets.