发明名称 |
Corrosion resistant enameled valve. |
摘要 |
<p>A fire and corrosion resistant enameled exteriorly sealing valve which may be mounted to a nozzle of a reaction vessel, comprising: a valve housing (1) having a valve opening ( ) therein, said housing being both internally enameled and enameled at said opening; a valve shaft (3) comprising a valve head (4) proximate one end thereof, said shaft and valve head being enameled on its outer surface; said valve head having a ground seat surface (4a) for mating with a housing seat surface (2a) at said opening ( ) provided at an extension (2, 21) of the valve housing (1); a stuffing box for the valve shaft (3), containing a packing (6, 7) out of material resistant to high temperatures; a spring package (17) engaging the valve shaft (3) and biasing the valve head (4) in a closed position, and by which a sufficiently high sealing force is provided between the two ground seat surfaces (2a, 4a) to maintain a seal in the presence of a fire; and said valve further comprising an actuation device (16) for opening and closing the valve.</p> |
申请公布号 |
EP0392042(A1) |
申请公布日期 |
1990.10.17 |
申请号 |
EP19890106416 |
申请日期 |
1989.04.11 |
申请人 |
PFAUDLER WERKE GMBH |
发明人 |
MONAUNI, HANNO L., DR.;KOHLER, WERNER G., DR.-ING.;SCHERTZ, REINHART;WEISSMANN, KARL |
分类号 |
B65D47/28;F16K17/38;F16K27/07;F16K41/02 |
主分类号 |
B65D47/28 |
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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