发明名称 PLASTIC LINED PLUG VALVE
摘要 <p>A plug valve is provided with a stem seal wherein a generally frustoconical face is provided at the juncture of stem and plug and the seal is fixed against the frustoconical face with a predetermined constant load.</p>
申请公布号 CA1257242(A) 申请公布日期 1989.07.11
申请号 CA19850487974 申请日期 1985.08.01
申请人 DOW CHEMICAL COMPANY (THE) 发明人 PRICE, ROBERT W.
分类号 F16K41/00;(IPC1-7):F16K41/00 主分类号 F16K41/00
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