| 摘要 |
<p>This relates to a ball valve for liquid and gaseous fluids having a body (10) with a housing (13) for the ball plug, in which the housing is offset with respect to the axis (X) of the ball in such a way as to have a longitudinal axis (X') parallel to the said axis (X) and displaced therefrom (e) towards the operating stem of the ball in such a way that the inner surface of the housing is in tangential contact with the outer surface of the ball (14) at a point (P) on the axis (Y) of the said operating stem (17) on the side of the ball opposite the stem. <IMAGE></p> |
