发明名称 |
VEDAÇÃO PARA USO COM UMA VÁLVULA BORBOLETA |
摘要 |
<p>Flexible seals for process control valves are disclosed. An example disclosed seal includes a seal for use with a butterfly valve. The example seal includes a substantially flexible ring-shaped carrier configured to be moveably fixed within the butterfly valve and to surround a flow control aperture therein. The example seal includes a seal stiffener adjacent the substantially flexible ring-shaped carrier to increase the stiffness of the substantially flexible ring-shaped carrier in a first flow direction. The example seal includes a substantially rigid seal ring to engage an opposing surface.</p> |
申请公布号 |
BRPI0811026(A2) |
申请公布日期 |
2014.10.21 |
申请号 |
BR2008PI11026 |
申请日期 |
2008.04.24 |
申请人 |
FISHER CONTROLS INTERNATIONAL LLC |
发明人 |
WADE JONATHON HELFER;DAVID JOHN KOESTER;BENJAMIN URIAH GOOD;PAUL RUSSEL DALLUGE;ANDREW JOHN OLSON |
分类号 |
F16K1/226 |
主分类号 |
F16K1/226 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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