FIELD: machine building.
SUBSTANCE: connection includes "nipple" and "coupling", first elastomeric seal ring that includes integrated L-shaped metal reinforcing ring and second elastomeric seal ring between nipple and coupling equipped with reinforcing ring. First ring is located in first depression near coupling neck. Second ring is located in second depression inside the coupling located between first depression and coupling threaded part.
EFFECT: simplicity and reliability of assembly, increase of efficiency in the course of operation.
15 cl, 9 dwg
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