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格林涅尔蝶阀的参数计算孙立宏，赵晶（长春市对外服务中心）格林涅尔（Ｇｒｉｎｎｅｌｌ８００系列）蝶阀是美国过滤器公司为锅炉用水软化系统设计制造的专用阀门。通过阀门的流体流动速率是由压力降值决定的。表示这个特性的最通用的方法是用参数Ｃｖ，Ｃｖ就是当流体的...
Grinnell butterfly valve parameters Sun Lihong, Zhao Jing (Changchun Foreign Service Center) Grinnell (Grinnell800 series) butterfly valve is the United States for the boiler water softening system designed and manufactured by the company dedicated valves. Fluid flow through the valve is determined by the pressure drop. The most common way to express this feature is to use the Cv parameter Cv as a fluid ...