A SYSTEM FOR CONNECTING AN AIR-GAS MIXING DEVICE TO A FAN, PARTICULARLY FOR GAS BOILERS AND SIMILAR APPARATUS

摘要

A system for connecting an air-gas mixing device (1) to a fan (2), in which an output section (3b) of the mixer (1) is connected, in flow communication, to an intake opening (10) of the fan (2) is described and comprises a first plug/socket coupling element and a second plug/socket coupling element (11, 12) which are provided on the mixer (1) and on the fan (2) respectively, and can be engaged in one another coaxially, and axial restraining means (15, 16) between the elements (11, 12), for the axial restraint of the mixer (1) relative to the fan (2).