型号德国ERHARD规格德国ERHARD品牌德国ERHARD材质德国ERHARD名称德国ERHARD适用范围德国ERHARD希而科贸易（上海）有限公司-德国Silkroad24GmbH中国***联系人：张敏（业务部销售经理）TEL:13585754584021-58375543-829FAX:021-61179684EMAIL:zm@***:1784691511MSN:zhangsir_goal@希而科优势代理德国ERHARDGmbH&Co.KG阀门产品系列：弹性层次和金属座封闸阀刀闸阀消防栓蝶阀割制***空气阀压力和流量控制阀针阀定锥排气阀止回阀球阀隔膜阀BLS的连接系统压力管道附件Resilient-seatedandmetal-seatedGateValvesKnifeGateValvesHydrantsButterflyValvesTappingSystemPremiumAirValvesPressureandFlowControlValvesNeedleValvesFixedConeDischargeValvesNon-returnValvesBallValvesDiaphragmValvesConnectionSystemBLSWAGU®Penstocks)