FIELD: construction.
SUBSTANCE: group of inventions relates to coupling for pipes. Device for seal pressing comprises a sealing element, having an axial length and outer curved edge, pressed against the inner diameter of seal, besides the indicated sealing element has an axial row of mounting holes for placement of mechanical fastening means in them, and, at least, one vane extending portion, passing from the end of indicated sealing element and curved inwardly from the indicated outer curved edge of the sealing element.
EFFECT: invention improves air-tightness of connection.
12 cl, 5 dwg
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