FIELD: pumps used for handling viscous abrasive liquids under pressure. SUBSTANCE: ball shut-off member of valve unit is provided with cavity in form of body of revolution whose center is shifted relative to center of ball shut-off member. Located in cavity is weight made in form of body of revolution. Shut-off member is arranged in guide bush pressed between seat and cover. Secured on cover is core of induction coil. Shut- off member is made from nonmagnetic material; weight and cover are made from magnetically soft material. EFFECT: enhanced reliability. 1 dwg
Title | Year | Author | Number |
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Authors
Dates
1998-04-27—Published
1996-05-24—Filed