Stopper device for hydraulically testing a connection tube for connecting a container to a pipe

摘要

It comprises a hemispheric central bottom 3 surrounded by elements in the shape of an annular sector 4 securely fastened to one another and each supported by a fastening component 6 resting on the rim of the opening of the connection tube, the assembly of the hemispherical central bottom and the elements in the shape of an annular sector being installed inside the pipe in the vicinity of the connection tube and shrink-fitted into this pipe with the aid of a peripheral jack 20, and the elements in the shape of an annular sector being covered, on the cylinder container side, by a leaktight elastomeric membrane 17. Application especially to hydraulically testing steam superheaters/separators. <IMAGE>