Pipe joints or couplings – With fluid pressure seal – Swivel with flange in socket
Patent
1980-09-29
1982-10-19
Callaghan, Thomas F.
Pipe joints or couplings
With fluid pressure seal
Swivel with flange in socket
285272, 285371, 285373, F16L 2700
Patent
active
043546986
ABSTRACT:
A swivel joint for pressure containing conduits such as movable flow lines may comprise a pair of hub elements each having means establishing interconnection with a section of flow line, the hub elements being abutted in such a manner as to define a flow passage through the swivel joint construction. A thrust flange is formed on each of the hub elements, the flanges being retained within a split housing structure that serves to retain the swivel joint in assembly. Rotatable relationship between the hub elements and the body structure is established by a thrust bearing that is interposed between an internal shoulder of the housing and a segmented bearing retainer that also forms a part of one of the thrust flanges. A low friction spacer element may be disposed between the thrust flanges of the hubs to prevent the development of friction retardation of swivel movement. The hubs interfit to define a sealed recess within which is received a seal sleeve that is of sufficient length to transition the joint between the abutted hubs. The split bearing retainer enables the thrust bearing to be easily removed and replaced by means of field repair.
REFERENCES:
patent: 944877 (1909-12-01), Koschinski
patent: 3113792 (1963-12-01), Brown
patent: 3372948 (1968-03-01), Arneson
patent: 3848899 (1974-11-01), Smith
patent: 3997198 (1976-12-01), Linder
Beffano John J.
Linder Morris B.
Callaghan Thomas F.
Quality Valve & Machine Works, Inc.
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