发明名称 |
KULVENTIL. |
摘要 |
A double seal type ball valve in which, in the event internal pressure of the body cavity of the valve rises above a predetermined level, a seat retainer is operated by utilizing such pressure to bring the body cavity into communication with a fluid passage to relieve the internal pressure in the body cavity. |
申请公布号 |
FI851553(L) |
申请公布日期 |
1986.01.03 |
申请号 |
FI19850001553 |
申请日期 |
1985.04.18 |
申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO |
发明人 |
NAKANISHI, SADAYUKI;FUKUNAGA, AKIO |
分类号 |
F16K5/20;F16K5/06;F16K39/06 |
主分类号 |
F16K5/20 |
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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