西门子风机盘管二通阀VVI46/三通阀VXI46技术参数：额定冲程2.5mm***量0--0.05%Kvs2...5%Kvs(旁路)介质温度1--110℃阀门特性开/关允许工作压力1600KPa阀体冲压铜阀杆、阀芯和阀座铬镍钢/黄铜西门子风机盘管二通阀VVI46/三通阀VXI46型号概览：(VVI46...)公称直径mmKvs流量系数[m3/h]连接螺纹SUA21型号[两通阀]△Pmax△PsVVI46.15152Rp1/2"300300VVI46.20203.5Rp3/4"300300VVI46.25255Rp1"300300△Pmax阀门***大允许压差；△Ps阀门关闭压差为了保证低噪音运行，△Pmax为100kpa一下型号概览：(VXI46...)公称直径mmKvs流量系数[m3/h]连接螺纹SUA21型号[三通阀]△PmaxVXI46.15152Rp1/2"300VXI46.20203.5Rp3/4"300VXI46.25255Rp1"300△Pmax阀门***大允许压差；△Ps阀门关闭压差为了保证低噪音运行，△Pmax为100kpa一下)