Robert G Grieves

US Patent:

44297106, Feb 7, 1984

Filed:

Oct 6, 1982

Appl. No.:

6/433035

Inventors:

Robert G. Grieves - Tampa FL
Roscoe Richter - Lakeland FL

Assignee:

GIW Southern Valve, Inc. - Grovetown GA

International Classification:

F16K 3700
F16K 300

US Classification:

137375

Abstract:

A slurry gate valve is disclosed for controlling the flow of slurry along a pipeline. The gate valve comprises a cylindrical conduit portion and a gate housing portion. The cylindrical conduit portion includes a first and second annular bolt flange defining first and second terminals disposed at opposite ends of the cylindrical conduit portion. A first and a second metallic sleeve liner, respectively, extend inwardly from the bolt flanges and define therebetween a gate receiving slot. The gate housing portion is secured to the cylindrical portion and houses a gate guide track which is in planar alignment with the gate receiving slot. A gate has a lower portion which cooperates with the gate receiving slot in substantially fluid tight relationship therewith. The gate travels from a closed position to an open position wherein the gate substantially fully withdrawn from the conduit portion. The gate valve further includes means for driving the gate between the open and the closed position.