HIGH-PRESSURE VESSEL GATE VALVE Russian patent published in 1999 - IPC

FIELD: handling high-pressure and high temperature media. SUBSTANCE: circular wedge-type gasket forms wedge conjugation with circular projection of flange entering the neck; its thinned end is directed towards end face of vessel body; n opposite side, it is supported by cover connected with flange. Second circular conjugation is formed between bandage ring and neck; this conjugation is similar to first one by wedge angle. Clearances sufficient for deformation-free temperature motion of parts of wedge conjugations relative to each other are provided between housing and bandage ring. EFFECT: reliable sealing; easy and facilitated assembly. 1 dwg