Pumping system, pumping system valve, replacement kit for a valve, and related manufacturing method
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United States of America Patent
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N/A
Issued Date -
Oct 7, 2004
app pub date -
Apr 7, 2003
filing date -
Apr 7, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A valve for controlling a flow of fluid to a pump is disclosed. The valve includes a first member and a second member. The first member includes a first surface and an inlet opening, a first opening, a second opening, and an outlet opening extending through the first surface. The second member includes a second surface in contact with the first surface. The second member is movable relative to the first member between a first position and a second position while maintaining the first and second surfaces in contact with each other. At least one of the first surface and the second surface is made of a self-lubricating material. In the first and second positions, the second member allows selective flow communication among the inlet, first, second, and outlet openings and controls a flow into and out of the pump.
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