Isolation gate valve
AssigneeSchenck Process Australia Pty Limited
InventorsStanislaw Welik, Mariusz Milewicz
Life of this patent
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Abstract
The specification discloses an isolation gate valve (10) for controlling flow of a particulate type material of a dry or semi dry nature including ore and coal, the gate valve (10) having a support frame (11), at least one slidable blade member (20, 21) movably mounted relative to said support frame (11) to selectably open or close a material flow opening (12) defined by said support frame (11), one or more actuators (22, 23) provided to drive the slidable blade member or members (20, 21) between open or closed positions, the or each said slidable blade member (20, 21) having a forward leading edge region (27, 28) adapted, in use, to transversely extend across the material flow opening (12).
Claims14
An isolation gate valve having a support frame structure defining a material flow opening, at least one blade member movably mounted relative to the material flow opening in said support frame structure, the or each said at least one movably mounted blade member being supported on a lower face thereof by multiple spaced apart rolling elements, at least one of said rolling elements being formed as a roller cartridge assembly having an outer mounting plate structure releasably connected to said support frame structure and a roller sleeve rotatably mounted to said outer mounting plate structure, the roller cartridge assembly extending inwardly through an aperture in a wall region of the support frame structure, the aperture being sized sufficiently to allow the roller cartridge assembly including the roller sleeve to be bodily removed from the support frame structure.
Dependencies are inferred from the claim text.