VALVING GATE Russian patent published in 1997 - IPC

FIELD: valving. SUBSTANCE: valving gate has a seat and a valving member made up as an actuating member and a durable sealing member secure to it via a fasting member. The actuating member is provided with a ring collar or a flange. The opening for the fastening member is coaxial to the collar or flange. The sealing member is provided with a dummy bore that is diverging in the direction of the bottom and covered with the collar or flange from the outside. The bore receives the head of the fastening member, stop ring and parts that are in a contact with the side walls of the bore. The parts and stop ring are clamped between the head of the fastening part and collar or flange of the actuating member. EFFECT: enhanced reliability. 2 dwg