FLOAT VALVE Russian patent published in 2002 - IPC

FIELD: manufacture of fittings; sanitary fittings for flush tanks. SUBSTANCE: float valve at bottom water supply and vertically adjustable position has supply pipe and branch pipe telescopically connected with this pipe by means of union nut. Valve body with shut-off member is secured in upper portion of branch pipe. Shut-off member is controlled with the aid of lever with two floats. Float valve is provided with stepped bush. Union nut is provided with guide tail-piece for branch pipe. Length of this tail-piece is equal to or more than length of branch pipe telescopically connected with supply pipe in its lower position. Lesser diameter of stepped bush is engageable with branch pipe as support. Its larger diameter is engageable with tail-piece of union nut, thus ensuring of valve body mounted and secured in reservoir without unfastening it. EFFECT: reduced usage of material; facilitated procedure and ease of regulation of vertical position. 2 cl, 3 dwg