High integrity pressure protecting system (HIPPS) for a fluid line
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
Nov 21, 2016
filing date -
Jun 25, 2014
priority date (Note) -
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Abstract
High Integrity Pressure Protecting Systems (HIPPS), wherein the HIPPS has an ON/OFF valve with a housing, wherein the housing has an inlet and an outlet, and a conduit for passage of a fluid from the inlet to the outlet, and with a closure element, wherein in an open position the closure element opens the conduit for allowing the passage, and in a closing position the closure element closes the conduit for inhibiting the passage, and a hydraulic actuator, having a control element that is fixated at the closure element, and a switchable hydraulic supply unit, which in an active state supplies a control face of the control element with a control pressure, and in a passive state releases the control pressure from the control face, a sensor measuring a pressure of the fluid downstream from the outlet, and a logic solver that compares the downstream pressure to a critical value.
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