FIELD: machine engineering.
SUBSTANCE: pressure reducers have an elongated outer shell and an inner sleeve radially remote inward from the outer shell. The outer shell consists of an outer annular wall having an open end and an end wall opposite the open end. The inner sleeve and the outer shell are connected near the open end. The inner sleeve limits the channel extending into the cavity formed by the outer shell and has an outlet remote from the end wall. The outer annular wall and the end wall are perforated by a group of through flow holes, and the sleeve preferably must not be perforated.
EFFECT: providing variable resistance to the flow of a working fluid, such as steam or water, without the use of moving parts.
14 cl, 8 dwg
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