FIELD: sealing engineering.
SUBSTANCE: sealing device comprises guiding bushing made of a polymeric material and two blocks of sealing rings mounted on the mating sides and made of truncated cones. The sealing rings are made of polyurethane. From the side of fluid and between the blocks of the sealing rings there are plate springs for providing the sealing rings to be spring-loaded. The bases of the inner conical sealing rings point to the direction opposite to the high pressure. The rings are mounted for permitting movement under the action of the fluid.
EFFECT: enhanced reliability.
1 dwg
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Authors
Dates
2007-02-27—Published
2005-06-28—Filed