| 摘要 |
Means for preventing water hammer in a fluid-feeding system caused by a jet mixer installed in the fluid-feeding system. The jet mixer comprises a casing having an inlet and an outlet for the system fluid and a supply port for a material to be mixed into the system fluid, and a venturi-type jet tube within the casing. A group of a plurality of spring-shaped elements is padded within a chamber defined between the jet tube and the surrounding casing.
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