Metering valve for hydrofluoric plants
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United States of America Patent
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Dec 23, 2008
Grant Date -
Jun 28, 2007
app pub date -
May 21, 2004
filing date -
May 23, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A metering valve for hydrofluoric plants, comprising a flow chamber for the flow of the fluid, housing a plug and having an inlet passage and another outlet passage, a guide body through which the actuator stem for actuating the plug member runs, and an actuator head. The flow chamber internally has guides parallel to the stem which guide the plug. A ring constituted of an iron, copper and nickel alloy is screwed in at the outlet passage.
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