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西门子两通阀,法兰连接,PN16,行程20mm/40mm(停产) |
VVF45..系列. |
- 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:VVF45.50(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:VVF45.50(4))
阀杆行程:
DN50:20mm
DN65-DN150:40mm
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型号概览:(VVF45...) |
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公称直径
mm |
Kvs
流量系数
[m3/h] |
SQX |
SKD |
SKB |
SKC |
型 号[两通阀] |
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△Pmax |
△Ps |
△Pmax |
△Ps |
△Pmax |
△Ps |
△Pmax |
△Ps |
VVF45.49
VVF45.50 |
50 |
19
31 |
- |
- |
- |
- |
1200 |
1600 |
|
|
VVF45.65 |
65 |
49 |
|
|
|
|
|
|
1000 |
1600 |
VVF45.80 |
80 |
78 |
|
|
|
|
|
|
700 |
1600 |
VVF45.90 |
100 |
124 |
|
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|
|
|
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450 |
1600 |
VVF45.91 |
125 |
200 |
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|
|
|
|
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300 |
1600 |
VVF45.92 |
150 |
300 |
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200 |
1600 |
△Pmax阀门最大允许压差;△Ps阀门关闭压差
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