Valve.

摘要

The valve has an element (16) similar to a CAP ON MOBILE CHANNEL (4) STEP AXIAL FLOW WITH A DRIVE (24) LIFTING arranged coaxially CLOSURE. THE said closing element, when closed, slide on the outer periphery thereof in an arrangement CENTRICA UNIT (5) FLOW TO PROVIDE A SEALED. THE CANAL (4) STEP FULL FLOW IS DESIGNED TO ENHANCE THE FLOW IN BOTH DIRECTIONS.