The invention relates to a nipple drinker formed by a) the body of the nipple (1) which has multiple sections including an upper section formed by a dome (9) having a central circular groove (10), three hollow cylindrical sections (11) of different diameters, which are stepped one under another, and a lower frusto-conical section (12), the inner surface of which is provided with a small circular flange (13) a tubular pin (2) having a lower solid cylindrical portion (14) c) two spheres (3 and 6) d) two maximum-precision washers (4 and 7) e) a hollow, cylindrical inner seal holder (5), the upper outer portion of which is provided with a washer (15), leaving a space between the two portions of 0.3 mm, in which the washer (4) is housed and f) a cylindrical outer seal holder (8), the lower portion of which is provided with a small frusta-conical section (16) that is inclined slightly by 17° towards the center.
