产品类别：自动开关阀门
产品简介：独特的弹性唇式密封座的结构。能在大的压差和大的温差变化范围内具有高的密封性能和低的操作扭矩。缩口设计使阀门或自动阀门的造价更为经济,可作介质切断或...
产品型号：7150-D-11-2200TT 7150-D-11-3400TT 7150-D-11-3600TT 5150-D-11-2200TT 5150-D-11-3400TT 5150-D-11-3600TT 7300-D-11-2200TT 7300-D-11-3400TT 7300-D-11-3600TT 5300-D-11-2200TT 5300-D-11-3400TT 5300-D-11-3600TT 7600-D-11-2200TT…… 

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