MODULAR FLOW REGULATOR WITH BACKLASH PREVENTION ASSEMBLY
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United States of America Patent
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N/A
Issued Date -
Dec 6, 2012
app pub date -
Jun 6, 2011
filing date -
Jun 6, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A flow regulator comprising a needle valve assembly secured in a molded valve body having offset mounting flanges to permit a variety of flow control and monitoring components to be secured thereto. The valve body has parallel inlet and outlet passageways connected by a transverse passageway, with a metal ring forming a valve seat molded into the valve body around the transverse passageway. A valve stem mounted within a valve stem receiver by a support member is selectively advanceable against and away from the valve seat to control flow therethrough. A lateral expander positioned in a slot in the valve stem is compressed axially upon rotation of the valve stem causing the expander to expand in the slot to secure the valve stem in place relative to the support member.
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