| 摘要 |
A discharge control valve wherein the inside of a valve casing is partitioned by a pair of horizontal upper and lower partition walls into an upper chamber, an inlet chamber with an inlet port and an outlet chamber with an outlet port in the order named, and a hollow cylindrical valve body is provided which has opened upper and lower ends, penetrates both partition walls and is capable of vertically moving within said three chambers. An upper half portion of said valve body is made a shutter portion and a lower half portion thereof is made a discharge control portion with a number of small holes perforated in its peripheral wall. The height of both portions are made slightly higher than the height of the inlet chamber. |
