| 摘要 |
The top fitting has a full flange (8) with a through hole (9) that is provided in a frustum-shaped portion of a connection head (7). A circular cross-sectional fluid channel of connection head is provided with an inlet opening at a free end of connecting portion, and an outflow opening in an end face of an annular collar (12). A flow inlet opening (2) is connected with a terminal block (1), such that an opening diameter (d2) of flow inlet opening is set to 30 mm, 38 mm or 50 mm. The ratio of opening diameter to a diameter (d1) of fluid channel is increased to 1.07-1.08. |
