水用两通阀法兰连接，PN10，行程20mm/40mm
描述：
| 适用于闭式循环系统中，冷冻水和低温热水的的控制 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 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 |
| 型号概览：（VXF31...） |
| 
| 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 | | VXF31.15-2.5
VXF31.15-4 | 15 | 2.5
4 | 300 | 300 | 300 | | | VXF31.24
VXF31.25-6.3
VXF31.25
VXF31.25-10 | 25 | 5
6.3
7.5
10 | 300 | 300 | 300 | | | VXF31.39
VXF31.40-16
VXF31.40
VXF31.40-25 | 40 | 12
19
25 | 300 | 300 | 300 | | | VXF31.50
VXF31.50-40 | 50 | 31
40 | 300 | 300 | 300 | | | VXF31.65
VXF31.65-63 | 65 | 49
63 | 175 | 275 | 300 | | | VXF31.80
VXF31.80-100 | 80 | 78
100 | 100 | 175 | 300 | | | VXF31.90
VXF31.100-160 | 100 | 124
160 | | | | 200 | | VXF31.91
VXF31.125-250 | 125 | 200
250 | | | | 150 | | VXF31.92-300
VXF31.150-315 | 150 | 300
315 | | | | 100 | △Pmax阀门zui大允许压差；△Ps阀门关闭压差 |
