SEALING RING OF PIPELINE VALVE GATE Russian patent published in 2009 - IPC F16K1/46 F16K25/00 

FIELD: machine building.

SUBSTANCE: invention is related to stop pipeline valves and is designed for application in structure for cut off of working substance flow in process pipelines. Sealing ring of pipeline valve gate has two opposite parallel sealing fields that are fixed in gate element and sealed by sealing relative to it. Sealing ring is made of ceramic material and is installed in gate element groove. One of ring side walls is arranged as curvilinear, formed by two opposite taper surfaces and fixed by stop element.

EFFECT: reduction of labour intensiveness of sealing rings production from ceramic materials.

2 cl, 1 dwg