发明名称 Valve assembly
摘要 The invention relates to a valve assembly that can be provided of a length to meet conventional fitting dimensions and requirements. The valve assembly includes a valve body housing, at least first and second valve balls. Between the first and second valve balls are provided first and second valve seats. The valve seats are biased towards their respective valve balls. The valve seats, that lie between the valve balls, are typically provided as part of a common valve seat assembly that includes springs and the like.
申请公布号 US9303774(B2) 申请公布日期 2016.04.05
申请号 US201013318293 申请日期 2010.05.13
申请人 Xamol Ltd. 发明人 Lomax Stuart
分类号 E21B33/06;F16K5/20;F16K5/06;F16K27/06 主分类号 E21B33/06
代理机构 Gable Gotwals 代理人 Gable Gotwals
主权项 1. A valve assembly, said valve assembly including a valve body, first and second valve balls, the valve assembly includes a passage which passes from a first end to a second end of the valve body and through said valve balls, said valve balls provided spaced along the passage and between said first and second valve balls are provided first and second valve seats, the valve body is formed from two parts and an interface between which is located at or adjacent to a location of the first and second valve seats, with one of said valve seat located in each of said valve body parts, and a plurality of biasing means therefore, said biasing means are common and are capable of biasing said first and second valve seats towards their respective valve balls to seal against the respective valve ball, wherein said plurality of biasing means are located between and abutting said valve seats.
地址 Brighouse, West Yorkshire GB