SEAL OF DETACHABLE CONNECTION

摘要

FIELD: machine building.SUBSTANCE: seal of a detachable connection includes a sealing metal gasket installed in a chamber formed with annular grooves of trapezoidal profile on flanges connected to each other. The sealing metal gasket consists of three parts: a base part and two changeable parts located on opposite end surfaces of the base part respectively. Material hardness of the base part is at least not lower than material hardness of flanges. Material hardness of changeable parts is lower than material hardness of flanges and lower than material hardness of the base part.EFFECT: invention improves the connection reliability.5 cl, 7 dwg