发明名称 |
FIREPROOF VALVE ASSEMBLY AND SEAL ELEMENT FOR USE THEREIN |
摘要 |
<p>A valve assembly comprising a valve housing defining an internal valve cavity and a fluid flow passageway, a valve element rotatably received in the valve cavity to control flow through the passageway, one of the valve housing or the valve element defining a seating surface, the other defining a seal member carrying surface, and a seal member carried on the seal member carrying surface on either the valve housing or the valve element for engaging the seating surface and effecting a seal between the valve using the valve element, the seal member being comprised of an intumescent material.</p> |
申请公布号 |
EP0235461(A3) |
申请公布日期 |
1989.02.01 |
申请号 |
EP19860310024 |
申请日期 |
1986.12.22 |
申请人 |
KEYSTONE INTERNATIONAL INC. |
发明人 |
SCOBIE, WILLIAM BRYCE;WAGBERG, MICHAEL LIN |
分类号 |
F16K1/22;F16K1/226;(IPC1-7):F16K1/226;F16K5/06;F16K17/38 |
主分类号 |
F16K1/22 |
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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