| 摘要 |
Fluid tapping connection, especially for a low-pressure gas main, including a shut-off stopper (2) which can move by sliding in the drilling (11) of a body (1) by means of annular seals, an end orifice (111) and a lateral orifice (12) of this body, the tapping connection being characterised in that it includes three annular seals (16, 17, 18), these three seals comprising a first seal (16) located between the limit stop (15) of the body and its lateral orifice (12), a second seal (17) located opposite the lateral orifice relative to the first seal and a third seal (18) located beyond the second seal relative to the lateral orifice (12), and in that at least these first and second seals (16, 17) are partially located in annular housings in the body in order to bear in a sealed manner against the sliding stopper (2), and in that the length (H) of the cylindrical part of the stopper is greater than the distance of the first and second seals (16, 17), the length (H) of this stopper (2) being less than the distance (H1) from the first limit stop (15) to this second seal. <IMAGE>
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