VVF31系列西门子电动调节阀/西门子电动三通调节阀,水用两通/三通座阀,法兰连接,PN10,行程20mm/40mm 技术参数: 材质:铸铁 阀芯:≤DN40铬镍钢/黄铜 ≥DN50 铬镍钢/青铜 承压:PN10 连接:法兰 低温:-10°C 高温:150°C 阀杆行程:≤DN80:20mm ≥DN100:40mm- 适用于闭式循环系统中,冷冻水和低温热水的的控制 型号概览:(VVF31...) | 公称直径 mm | Kvs 流量系数 [m3/h] | SQX | SKD | SKB | SKC | 型 号[两通阀] | △Pmax | △Ps | △Pmax | △Ps | △Pmax | △Ps | △Pmax | △Ps | VVF31.15-2.5 VVF31.15-4 | 15 | 2.5 4 | 300 | 1000 | 300 | 1000 | 300 | 1000 | | | VVF31.24 VVF31.25-6.3 VVF31.25 VVF31.25-10 | 25 | 5 6.3 7.5 10 | 300 | 1000 | 300 | 1000 | 300 | 1000 | | | VVF31.39 VVF31.40 VVF31.40-25 | 40 | 12 19 25 | 300 | 525 | 300 | 775 | 300 | 1000 | | | VVF31.50 VVF31.50-40 | 50 | 31 40 | 300 | 325 | 300 | 475 | 300 | 1000 | | | VVF31.65 VVF31.65-63 | 65 | 49 63 | 175 | 175 | 275 | 275 | 300 | 750 | | | VVF31.80 VVF31.80-100 | 80 | 78 100 | 100 | 100 | 175 | 175 | 300 | 500 | | | VVF31.90 VVF31.100-160 | 100 | 124 160 | | | | | | | 200 | 300 | VVF31.91 VVF31.125-250 | 125 | 200 250 | | | | | | | 150 | 200 | VVF31.92-300 VVF31.150-315 | 150 | 300 315 | | | | | | | 100 | 125 | △Pmax阀门zui大允许压差;△Ps阀门关闭压差 |