描述:
适用于开式系统和闭式系统中低压热水、生活热水、高压热水、热油、饱和蒸汽和过热蒸汽(后缀带4 如:VVF41.50(4))
材质:球墨铸铁
阀芯:铬镍钢 
密封:特弗伦
公称:PN16
连接:法兰
耐温:-25°C...150℃/(180℃,蒸汽阀后缀带4 如:VVF41.50(4)) 
阀杆行程:
DN50:20mm
DN65-DN150:40mm
                        |              型号概览:(VVF41...)              |         
                                                                                            |                                                     |                                                  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                          |                                                                  |                          VVF41.49                         VVF41.50                          |                                                  50                          |                                                  19                         31                          |                                                  300                          |                                                  350                          |                                                  400                          |                                                  450                          |                                                  1000                          |                                                  1400                          |                                                                             |                                                                             |                                                                  |                          VVF41.65                          |                                                  65                          |                                                  49                          |                           |                           |                           |                           |                           |                           |                                                  600                          |                                                  800                          |                                                                  |                          VVF41.80                          |                                                  80                          |                                                  78                          |                           |                           |                           |                           |                           |                           |                                                  400                          |                                                  500                          |                                                                  |                          VVF41.90                          |                                                  100                          |                                                  124                          |                                                                             |                                                                             |                                                                             |                                                                             |                                                                             |                                                                             |                                                  250                          |                                                  300                          |                                                                  |                          VVF41.91                          |                                                  125                          |                                                  200                          |                                                                             |                                                                             |                                                                             |                                                                             |                                                                             |                                                                             |                                                  175                          |                                                  200                          |                                                                  |                          VVF41.92                          |                                                  150                          |                                                  300                          |                                                                             |                                                                             |                                                                             |                                                                             |                                                                             |                                                                             |                                                  100                          |                                                  125                          |                                                               △Pmax阀门zui大允许压差;△Ps阀门关闭压差                            |         
                    |                            型号概览:(VXF41...)              |         
                                                                                            |                                                     |                                                  公称直径                         mm                          |                                                  Kvs                         流量系数                         [m3/h]                          |                                                   SQX |                                                   SKD |                                                   SKB |                                                   SKC |                                                                  | 型 号[三通阀] |                                                  △Pmax                          |                                                  △Pmax                          |                                                  △Pmax                          |                                                  △Pmax                          |                                                                  |                          VXF41.14                         VXF41.15                          |                                                  15                          |                                                  1.9                         3                          |                                                  800                          |                                                  800                          |                                                  800                          |                           |                                                                  |                          VXF41.24 VXF41.25                          |                                                  25                          |                                                  5                         7.5                          |                                                  800                          |                                                  800                          |                                                  800                          |                                                                             |                                                                  |                          VXF41.39                         VXF41.40                          |                                                  40                          |                                                  12                         19                          |                                                  500                          |                                                  750                          |                                                  800                          |                                                                             |                                                                  |                          VXF41.49                         VXF41.50                          |                                                  50                          |                                                  19                         31                          |                                                  350                          |                                                  500                          |                                                  800                          |                                                                             |                                                                  |                          VXF41.65                          |                                                  65                          |                                                  49                          |                           |                           |                           |                                                  500                          |                                                                  |                          VXF41.80                          |                                                  80                          |                                                  78                          |                           |                           |                           |                                                  350                          |                                                                  |                          VXF41.90                          |                                                  100                          |                                                  124                          |                           |                           |                                                                             |                                                  250                          |                                                                  |                          VXF41.91                          |                                                  125                          |                                                  200                          |                           |                           |                                                                             |                                                  175                          |                                                                  |                          VXF41.92                          |                                                  150                          |                                                  300                          |                           |                                                                             |                           |                                                  100                          |                                                               △Pmax阀门zui大允许压差;△Ps阀门关闭压差              |