Hochtemperatur-reaktorbau Gmbh

Reinhold Koerdt

Josef Schoening

Hans-Georg Schwiers

The invention concerns a vaulted cover to close a vertical recess in a pressure vessel with a plurality of fittings welded to the cover for the passage of steam pipes and with heat insulation applied to the inside of the cover consisting of a thermally insulating material and a plurality of rectangular cover plates arranged on the thermally insulating material, wherein the cover plates are fastened to the cover by means of holding bolts penetrating the entire insulation.

Vaulted cover assembly to close a vertical recess in a pressure vessel

A vaulted cover for an opening in a pressure vessel comprising a vaulted center piece and an annular rim surrounding thermal insulation material of a cover flange. The rim is assembled of two coaxially arranged cylindrical sections. Expansion gaps and sealing disks are provided about pipe fittings in said vaulted cover in a manner that permits release of pressure through gaps formed by said sealing disks.

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Hemsbach, Germany

Reinhold Koerdt