GATE VALVE AND SEATS FOR A GATE VALVE
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United States of America Patent
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May 25, 2017
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Jul 5, 2016
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Abstract
A gate valve and a seat for a gate valve having a valve body, which may be used for hydrocarbon well fracturing operations with a fracturing fluid, or “frac fluid”, includes a seat pocket for receipt of the seat, which seat may include a tubular member having a seat end face, the seat end face includes two annular seals disposed in seat grooves, at least one of which is a half-dovetail groove.
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