VALVE FOR LIQUID Russian patent published in 1998 - IPC

FIELD: sanitary engineering; flush tank valves. SUBSTANCE: valve includes actuating member and siphon fitted on drain pipe. Siphon is made in form of outer sleeve connected with actuating member and directed towards drain pipe by its open end. Rigidly secured in outer sleeve is bush including two coaxial walls interconnected in upper portion forming circular cavity. Inner sleeve with hole in its bottom is mounted coaxially relative to drain pipe. Inner sleeve embraces drain pipe with its open end directed to outer sleeve. Inner walls of bush is located in circular clearance between drain pipe and inner sleeve. Actuating member is provided with stroke limiter and guide bush made from antifriction material. Outlet end of drain pipe is provided with inner circular shoulder. EFFECT: enhanced reliability. 4 cl, 2 dwg