FIELD: machine building.
SUBSTANCE: circumferential sealing of flanges includes metal ring and a group of crimping elements. Metal ring has central hole which determines inner diameter, the first sealed surface which determines the first plane, the second sealed surface which determined the second plane, the first groove on the first sealed surface and the second groove on the second sealed surface. Group of crimping elements is connected to metal ring. At least one crimping element of the group has the possibility of adjusting the position relative to central hole, and crimping elements are made so that central hole can be located coaxially with the corresponding hole of the flange.
EFFECT: invention improves the flange sealing reliability.
20 cl, 8 dwg
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