Hydraulic control valve, system and methods

A subsea control valve is described having an improved hydraulic actuation system for movement of the gate and shear seal. The described valve also features a pressure monitoring arrangement for sensing pressure within portions of the valve. In a second described aspect, a control valve is provided...

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Bibliographische Detailangaben
1. Verfasser:	JAMES L DEAN
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A subsea control valve is described having an improved hydraulic actuation system for movement of the gate and shear seal. The described valve also features a pressure monitoring arrangement for sensing pressure within portions of the valve. In a second described aspect, a control valve is provided with a segmented solenoid core actuator that allows for more certain actuation of the valve. In a further aspect, a valve system is described having a manifold with an improved fluid distribution system. In a further aspect, an exemplary valve is described having a pair of solenoid actuation coils. In still a further aspect, a solenoid actuated valve is provided with pulse-type actuation.