Thermostatic Assembly, In Particular A Thermostatic Cartridge

Abstract: The invention relates to a thermostatic assembly (1) which comprises a casing (10) in which a mixing chamber (11), a hot fluid inlet (14), a cold fluid inlet (15) and a mixed fluid outlet (16) are defined. In the chamber, a slide (20) for adjusting the temperature of the mixed fluid is movable along an axis (X-X) of the chamber so as to close, in respective inverse proportions, a hot fluid passage and a cold fluid passage. A thermostatic element (30) comprises a body (31), arranged in the chamber so as to be in contact with the mixed fluid and to be movably connected to the slide, and a piston (32), connected to the casing by being centred on the axis. The piston is received in the body so that it can be moved by a thermally expandable material (33) of the body, by being mounted axially so as to slide in a guide (34) of the body, from which guide the piston emerges outside the body. A sealing sleeve (37), coaxially fitted around the guide and the piston so as to seal the sliding assembly thereof, includes a first portion, fixedly connected to the guide along the axis, and a second portion applied against the piston all around the axis in sliding contact along the axis.

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