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 |
SG116640(A1) |
申请公布日期 |
2005.11.28 |
申请号 |
SG20050002523 |
申请日期 |
2005.04.18 |
申请人 |
DRIL-QUIP, INC. |
发明人 |
ALFRED MOORE WILLIAMS;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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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