Method for pressure testing a threaded component

Details Method for pressure testing a threaded component Method for pressure testing a threaded component

2011-08-16

2011-08-16

Williams, Hezron (Department: 2856)

Measuring and testing

With fluid pressure

Clamp, plug, or sealing feature

Reexamination Certificate

active

07997120

ABSTRACT:
A method for pressure testing a threaded component is provided. A cap includes a female threading that is matched with a threading of a first male threaded element. The cap is made up onto the first male threaded element of a component to be tested so as to compress a sealing ring between metal surfaces of the first element and the cap, and a test pressure is established inside the component. The male element has an annular lip which is capable of deforming radially outwardly under the effect of the test pressure. Between a radially outward surface of the lip and a facing surface of the cap, at the end of makeup there exists a clearance having a value which has been selected sufficiently small so that, under the effect of the test pressure, the lip bears on said facing surface without undergoing plastic deformation.

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patent: 0 386 373 (1990-09-01), None

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