FIELD: vacuum engineering. SUBSTANCE: diaphragm assembly has a gasket diaphragm constructed as a rotation body and consisting of armoring layer and tight covering. The armoring layer is made up as separate threads arranged parallel to the generatrix of the diaphragm, and the tight covering is made up as several layers of the fluorine containing rubber arranged on both sides of the armoring layer. The fastening members for securing the diaphragm edges are made up as rings and deformed rubber spacers. EFFECT: enhanced reliability. 5 dwg
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