FIELD: machine building.
SUBSTANCE: pipe connection has seat element with internal thread designed for assembled conjugation with rod element having external thread. Dimensions of conjugated threads facilitate radial tightness in assembly, while a thread pitch of the rod element is shorter, than a thread pitch of the seat element at value sufficient for compensation of axial elongation of thread of the rod element and axial compression of thread of the seat element occurring during assembly of the said elements as result of radial tightness between conjugated threads, facilitating in essence equality of steps of conjugated threads in assembles state. There are disclosed versions of pipe threaded connection.
EFFECT: increased reliability of connection.
27 cl, 8 dwg
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