发明名称 |
FIRE RESISTANT GATE VALVE |
摘要 |
A valve is disclosed which comprises, a body flow passages, a chamber and a valve closure element. Stem back seating means are provided on a bonnet in response to axial movement of the stem as well as a fusible ring above which a first bearing surrounding the stem is arranged. This bearing cooperates with the ring and the bonnet to prevent axial movement of the stem. A radial flange is arranged between the first bearing and the fusible ring. |
申请公布号 |
AU7059387(A) |
申请公布日期 |
1987.07.09 |
申请号 |
AU19870070593 |
申请日期 |
1987.03.24 |
申请人 |
FMC CORP. |
发明人 |
ALFRED PAUL REGITZ;STEPHEN PHILLIP BARRETT;CHARLES EDWARD JENNINGS;KENDALL EUGENE KEENE;BASHIR MOHAMMAD KOLEILAT;JOHN NOLAN MCINTYRE;RONALD LOUIS RIESS;MICHAEL RAYE WILLIAMS |
分类号 |
F16K3/02;F16K17/38;F16K41/14 |
主分类号 |
F16K3/02 |
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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