西门子螺纹连接二通三通调节阀VVG44系列相关型号：VVG44.15VVG44.20VVG44.25VVG44.32VVG44.40VXG44.15VXG44.20VXG44.25VXG44.32VXG44.40具体选型请来电咨询外螺纹连接G…B二通阀，耐压等级PN16•阀体：青铜Rg5•公称直径:DN15…DN40mm流量:kvs0.25…25m3/h•阀杆行程:5.5mm•通过安装调节器进行手动调节•可与SQS35...,SQS65...或SQS85...执行器配合安装•配件可***供货适用于中小型供暖、通风和空调设备中的控制阀或安全截止阀。适用于闭式系统。相关型号：VVG44.15VVG44.20VVG44.25VVG44.32VVG44.40VXG44.15VXG44.20VXG44.25VXG44.32VXG44.40具体选型请来电咨询西门子螺纹连接二通三通调节阀VVG44系列)