发明名称 VALVE ARRANGEMENT
摘要 <p>A valve including a valve body having a bore and a spindle received in the bore, the spindle being actuatable to open and close the valve. A compression gland seal is provided about the spindle for compression between the spindle and the bore. A first seal ring is provided about the spindle at a position spaced along the spindle from the gland seal, and provides a seal between the spindle and the bore of the valve body. A second seal ring is provided about the spindle at a position spaced along the spindle from the gland seal and the first seal ring, and provides a further seal between the spindle and the bore of the valve body.</p>
申请公布号 EP2179203(A2) 申请公布日期 2010.04.28
申请号 EP20080775984 申请日期 2008.07.18
申请人 PARKER HANNIFIN LIMITED 发明人 SMITH, ROBERT, GEORGE;DAVIS, MATHEW, WILLIAM;NICHOLSON, ANDREW, SPENCER
分类号 F16K5/06;F16K41/04 主分类号 F16K5/06
代理机构 代理人
主权项
地址