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阀门型号编制及含义
2、当阀座和阀瓣(阀板)密封材料不同时,用低硬度材料代号表示(隔膜阀除外)。 阀门型号和名称编制方法示例: a)闸阀型号编制示例:电动、法兰连接、明杆楔式双闸板,阀座密封面材料由阀体直接加工,公称压力PN0.1MPa、阀体材料为灰铸铁的闸阀 ...
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