InventorsUS Classes137/625.44, Pivoted valve unit137/625Multi-way valve unitAttorney, Agent or FirmInternational Class F16K 11/02
Abstract textApparatus is described for diverting a pig ( 62) from one pipeline ( 42) to a selected one of two or more other pipelines ( 44, 46), which is of compact and lightweight construction. The apparatus includes a pipe arrangement that includes an inlet ( 32) and first and second divergent outlets ( 34, 36), with gaps ( 70, 72) in adjacent sides of the outlets; The apparatus also includes a selection sleeve ( 64) that is pivotable about the inlet axis ( 52) between first and second positions wherein it diverts a pig received through the inlet, into the first or second outlets, respectively, while blocking the gaps. |