TAP Russian patent published in 2008 - IPC F16K5/14 

FIELD: engines and pumps.

SUBSTANCE: invention relates to valves production and is designed to be used as a shut-off element to be incorporated with liquid and gaseous process lines in various industrial branches. The tap consists of a plug contained in the case, spring-loaded sealing seats interacting with followers. The latter made as two shaped cams are controlled by the stem and rigidly rod-jointed together. The rods coaxially pass through the sleeves arranged in the plug recesses.

EFFECT: higher reliability of the tap operation thanks to ruling out complicated matching surfaces.

3 cl, 3 dwg