VXF31系列西门子三通调节阀适用于闭式循环系统中，冷冻水和低温热水的的控制VXF31系列西门子三通调节阀材质：铸铁VXF31系列西门子三通调节阀阀芯：≤DN40铬镍钢/黄铜≥DN50铬镍钢/青铜VXF31系列西门子三通调节阀承压：PN10连接：法兰低温：-10°C高温：150°C阀杆行程：≤DN80：20mm≥DN100：40mm型号概览：(VXF31...)公称直径mmKvs流量系数[m3/h]SQXSKDSKBSKC型号[三通阀]△Pmax△Pmax△Pmax△PmaxVXF31.15-2.5VXF31.15-4152.54300300300VXF31.24VXF31.25-6.3VXF31.25VXF31.25-102556.37.510300300300VXF31.39VXF31.40-16VXF31.40VXF31.40-2540121925300300300VXF31.50VXF31.50-40503140300300300VXF31.65VXF31.65-63654963175275300VXF31.80VXF31.80-1008078100100175300VXF31.90VXF31.100-160100124160200VXF31.91VXF31.125-250125200250150VXF31.92-300VXF31.150-315150300315100△Pmax阀门***大允许压差；△Ps阀门关闭压差)