Patent ID: 7891711

Claim:
A revolving compensator of high pressure for pipe comprising: an inner pipe, a sealing gland, a sealing seat with a first end and a second end, and a connecting pipe with a first end and a second end; wherein the inner pipe is inserted into the connecting pipe which is welded to the first end of the sealing seat installed on an outer surface of the inner pipe; an end of the inner pipe extending into the connecting pipe is at least provided with an annular outer flange; an inner surface of the sealing seat is at least provided with an annular inner flange; the sealing gland is installed on the outer surface of the inner pipe and inserted into the second end of the sealing seat to abut against a torus sealing member installed between the inner surface of the sealing seat and the outer surface of the inner pipe, and the sealing gland is connected to the sealing seat via a connecting member; a sealing cavity is formed by the inner surface of the sealing seat, the outer surface of the inner pipe and side surfaces of the annular outer flange and the annular inner flange; and an end face sealing member is installed in the sealing cavity.