发明名称 EXTRACTION VALVE HEAD FOR A CONTAINER
摘要 <p>An extraction valve head for a tank for high-purity and/or toxic liquid chemicals has an inlet valve for a filler gas, an outlet valve and a purging valve, which closes a bypass between a gas inlet line and an extraction line. The valves are configured as metal diaphragm valves and are fitted in a common metallic valve housing block. All valve seals of the valves are arranged in close spatial proximity to one another in the valve housing block.</p>
申请公布号 EP0337180(A3) 申请公布日期 1990.03.07
申请号 EP19890105366 申请日期 1989.03.25
申请人 MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG 发明人 JOSEPH, FRANK;JURGENSEN, HOLGER, DR.
分类号 F16K11/22;F16K1/30;F16K11/20;F16K41/12;(IPC1-7):F16K11/10 主分类号 F16K11/22
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