发明名称 CONTROL BALL VALVE
摘要 <p>A control ball valve that includes a flow path is disclosed. The flow path may be capable of coupling the control valve to a subsea operator. The control ball valve comprises a ball and a seat. The ball includes an outer surface, and a portion of the outer surface comprises a spherical surface. The ball also includes a channel that may be part of the flow path. The ball may be capable of rotating about an axis perpendicular to the channel. The seat includes a sealing surface that mates with the portion of the outer surface of the ball to form a seal. The control valve may be included in a pod. Other embodiments of the present invention include combinations of valves and methods for testing and flushing subsea control ball valve assemblies.</p>
申请公布号 SG136961(A1) 申请公布日期 2007.11.29
申请号 SG20070170749 申请日期 2005.04.18
申请人 DRIL-QUIP, INC. 发明人 WILLIAMS ALFRED MOORE;MILBERGER LIONEL J.
分类号 E21B33/035;F15B11/00;F15B13/044;F16K;F16K3/16;F16K3/22;F16K5/06;F16K5/20;F16K11/087;F16K27/06 主分类号 E21B33/035
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