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1. 发明专利

JP2008304067A Valve seat arrangement of diaphragm valve 审中-公开
标题翻译：阀瓣阀座安装
公开(公告)号：JP2008304067A
公开(公告)日：2008-12-18
申请号：JP2008207885
申请日：2008-08-12
申请人： Swagelok Co , スウエイジロク・カンパニー
发明人： GOTCH JAMES E , KITCHEN DALE J , LONGO MARIA , RASANOW VICTOR N , SMITH PHILIP J
IPC分类号： F16K7/16 , F16K37/00 , F16K41/12
CPC分类号： F16K7/16 , F16K41/12 , Y10T137/6253 , Y10T137/6999
摘要： PROBLEM TO BE SOLVED: To improve sealing performance of a valve seat, and to improve the fatigue life of a diaphragm, in a diaphragm valve. SOLUTION: A valve seat arrangement is equipped with a body 10 having an inlet port and an outlet port for an fluid and a diaphragm 28 connected with the body 10 in the axial direction and fastened between an inflow passage and an outflow passage for controlling flow between the inflow passage and the outflow passage. The diaphragm valve device is provided with a first collar 44 surrounding one of fluid openings and extended to the axial direction towards the diaphragm, a second collar 46 spaced apart in a radial direction towards the outside from the first collar to form a recess between them, and an elastic valve seat ring 40 disposed in the recess. A void region is formed outside the elastic valve seat ring 40. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：在隔膜阀中，提高阀座的密封性能，提高隔膜的疲劳寿命。阀座装置配备有主体10，其具有用于流体的入口和出口以及与主体10在轴向方向连接的隔膜28，并且固定在流入通道和流出通道之间，控制流入通道和流出通道之间的流动。隔膜阀装置设置有围绕流体开口中的一个并且朝向隔膜的轴向方向延伸的第一套环44，第二套环46沿径向方向从第一套环向外部间隔开，以在它们之间形成凹部，以及设置在凹部中的弹性阀座环40。在弹性阀座环40的外部形成空隙区域。版权所有（C）2009，JPO＆INPIT

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