FIELD: valving. SUBSTANCE: two same disks are arranged inside the housing and form a wedge. The surfaces that face each other and are in the axial plane perpendicular to the vertical axis of the housing are provided with projections and answering hollows at a given distance from each other. There are control spacers on the bottom of the hollows. The spacers allow the wedge curving to be eliminated. EFFECT: enhanced reliability. 3 dwg
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Authors
Dates
1997-04-10—Published
1993-02-23—Filed