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Pressure relief device

申请公布号:EP1601899(B1)

申请号:EP20040715685

申请日期:2004.02.27

申请公布日期:2008.12.24

申请人:
BS & B SAFETY SYSTEMS L.L.C.

发明人:ROOKER, MITCH;KLEIN, GREG;BEAIR, CHARLIE, E.;BRAZIER, GEOF, C.

分类号:F16K17/18;F16K17/16

主分类号:F16K17/18

摘要:<p>A pressure relief device is provided. The pressure relief device includes a sealing member (22) and a low-pressure support member (24) that is adapted to provide support to the sealing member when the sealing member is subject to a certain pressure differential. The low pressure support member includes an annular flange (25) and at least one supporting projection (23). A cutting element (38) is adapted to puncture the sealing member when the sealing member is subject to a predetermined pressure differential. The pressure relief device may further include a high pressure support member (26) and safety heads (34,36) forming a pre-torqued assembly. The supporting projection may optionally include an area of weakness either wholly within or on the periphery thereof.</p>

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