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公开(公告)号：EP1419335B1
公开(公告)日：2008-03-26
申请号：EP01948146.4
申请日：2001-07-02
CPC分类号： F16K5/205 , F16K43/00 , Y10T137/0508 , Y10T137/6045
摘要： A ball valve equipped with a ball closing component (1) a cover (18) and seals assemblies (2) having sediment rings (5) with seals (6) characterised in that on the lateral surface of each sediment ring (5) there is a flange (9), having from the side of a ball closing component (1), working surface (10). The space of the recess (3) of a body (4) contains a working chamber (11) placed between working surface (10) of the flange (9) and a closing ring (12) screwed down to the inner part of the body (4) and a chamber (13) placed from the back wall (8) of the recess (3). The working chamber (11) is connected in a passage way with the interior of the body (4).
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公开(公告)号：EP1419335A1
公开(公告)日：2004-05-19
申请号：EP01948146.4
申请日：2001-07-02
CPC分类号： F16K5/205 , F16K43/00 , Y10T137/0508 , Y10T137/6045
摘要： A ball valve equipped with a ball closing component (1) a cover (18) and seals assemblies (2) having sediment rings (5) with seals (6) characterised in that on the lateral surface of each sediment ring (5) there is a flange (9), having from the side of a ball closing component (1), working surface (10). The space of the recess (3) of a body (4) contains a working chamber (11) placed between working surface (10) of the flange (9) and a closing ring (12) screwed down to the inner part of the body (4) and a chamber (13) placed from the back wall (8) of the recess (3). The working chamber (11) is connected in a passage way with the interior of the body (4).
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