| 摘要 |
Disclosed is a valve (1), comprising a movable valve control member (2), an inlet port (3) forming a seat (4) for the valve control member (2), an outlet port (5), a passage (6) extending through the valve control member (2), the passage (6) having first and second parts (7,8) with first and second cross-sectional areas (9,10), the second cross-sectional area (10) being larger than the first cross-sectional area (9), a spigot (11) fixedly arranged at the outlet port (5) and extending partly into the second part (8) of the passage (6), and a spring element (12) for pushing the valve control member (2) against the seat (4) in a direction opposing a fluid flow direction.
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