发明名称 Control ball valve
摘要 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.
申请公布号 US2005252556(A1) 申请公布日期 2005.11.17
申请号 US20050114500 申请日期 2005.04.26
申请人 DRIL-QUIP 发明人 WILLIAMS ALFRED M.;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;(IPC1-7):F15B13/044 主分类号 E21B33/035
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