发明名称 Selector valve, especially a central control valve for a water treatment device
摘要 A central control valve arrangement for a water treatment system. The central control valve arrangement includes two independently positionable four-way ball valves and at least one of the balls of the ball valve serving as valve body includes with two L-shaped boreholes so that a multitude of couplings between the connections of the ball valves is possible.
申请公布号 US4921598(A) 申请公布日期 1990.05.01
申请号 US19880219524 申请日期 1988.07.15
申请人 DESCH, KURT M. 发明人 DESCH, KURT M.
分类号 C02F1/42 主分类号 C02F1/42
代理机构 代理人
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