Abstract: Rupture protection device for hollow cylindrical members having, in installed condition thereof, respective projections at the axial ends thereof protruding beyond the diameter thereof and forming axial stops, includes a plurality of rings serially connectible to one another in axial direction of a hollow cylindrical member and slideable onto the hollow cylindrical member together with at least one divided filler ring so as to form a closed ring unit covering the hollow cylindrical member, the rings being formed with respective overlapping zones at adjoining end face regions thereof constituting respective encircling projections and recesses complementary thereto in mutual engagement and respectively overlying and underlying one another, the filler ring being at least bipartite and formed with both end face regions thereof having encircling projections overlying respective recesses formed in the rings adjoining the filler ring so as to facilitate insertion of the filler ring radially on a hollow cylindrical m

Abstract: A pressurized-water coolant reactor installation includes a reactor pressure vessel, a steam generator containing a heat exchanger through which coolant from the vessel is circulated, and a single pipe interconnecting the vessel and generator and internally divided into two conduits for conducting the coolant to the steam generator and from the latter back to the vessel. This single pipe is divided into these two conduits by a partition wall extending longitudinally for the length of the pipe inside of the pipe. This horizontal partition is formed by at least two sections extending radially from the inside of the coolant pipe towards each other and having inner edges spaced from each other and interconnected by an expansion joint.