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1、天津塘沽瓦特斯阀门正品图片瓦特斯阀门用在我司水系统上的材质主要为：阀体是灰铸铁，阀瓣为球墨铸铁（也有不锈钢材质的）。瓦特斯的缩写标志为TWT。以下为609A对夹式阀门的图片球墨铸铁的阀瓣用肉眼观察会带点黄色，黄色为电泳镀层的颜色。阀体上有清晰的材质标志CI，CI标示阀体材质为灰铸铁阀体上字体清晰阀瓣的边缘中间有突起的R角，此标志非常明显。阀瓣上只有突起的R角起到密封左右，不是整个边缘与橡胶密封。阀瓣上有清晰标示DI，DI标示材质为球墨铸铁5.1-9,,services,andmakethecitymoreattractiv
2、e,strengtheningpublictransportinvestment,establishedasthebackboneoftheurbanrailtransitmulti-level,multi-functionalpublictransportsystem,thusprotectingtheregionalpositionandachieve5.1-9,,services,andmakethecitymoreattractive,strengtheningpublictransportinvestment,e
3、stablishedasthebackboneoftheurbanrailtransitmulti-level,multi-functionalpublictransportsystem,thusprotectingtheregionalpositionandachieve5.1-9,,services,andmakethecitymoreattractive,strengtheningpublictransportinvestment,establishedasthebackboneoftheurbanrailtrans
4、itmulti-level,multi-functionalpublictransportsystem,thusprotectingtheregionalpositionandachieve5.1-9,,services,andmakethecitymoreattractive,strengtheningpublictransportinvestment,establishedasthebackboneoftheurbanrailtransitmulti-level,multi-functionalpublictransp
5、ortsystem,thusprotectingtheregionalpositionandachieve5.1-9,,services,andmakethecitymoreattractive,strengtheningpublictransportinvestment,establishedasthebackboneoftheurbanrailtransitmulti-level,multi-functionalpublictransportsystem,thusprotectingtheregionalpositio
6、nandachieve
