RELEASE VALVE Russian patent published in 1998 - IPC

FIELD: hydraulic engineering. SUBSTANCE: release valve relates to sanitary engineering appliances and is used for example in flush tanks of lavatory pans. Valve set-up has following components: open bellows, rod with release button, yoke for rod located above bellows, and flushing pipe seat. Yoke is joined with rod by threaded connection for adjusting height of bellows upper edge relative to liquid level in vessel. Bellows can be made of metal or rubber or plastic material. Aforesaid embodiment of release valve prevents water leakages and is of long service life. EFFECT: higher efficiency. 2 dwg