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主要技術參數
| 控制閥型號Type of control valve | 3251 | |
| 控制閥型號Type of control valve | DN15...200 NPS1/2...8 |
|
| 公稱通徑 Nominal diameter ANSI DIN |
304、316、 304L、 316L等(Etc) | |
| 閥體材料 Valve body material DIN |
堆焊司太粒合金或哈氏合金。Overlaid with sellite alloy or hastelly alloy | |
| 公稱壓力 Nominal pressure |
PN | 16...160(DN15...150) ; 16...100(DN2.0...300) ,按需求提供最高PN250 (roide up to PN250 acoring to demand) |
| class | 150... 900.按需求最高到class1500 Up to class1500 according to demand | |
| 端面連接End connection DIN | RF、RTJ法蘭焊接按B16.25 RF、RTJ法蘭焊接按B16.25 | |
| 閥座/閥芯密封和泄漏 Valve base/ valve plug seal and leakage |
金屬密封:IV、高性能金屬密封: V V Metal seal: IV, high performance metal seal |
|
| 等級Grade IEC60534-4 | 軟密封:VI Flexible seal: VI |
|
| 流量特性Flow characteristics | 等百分比( %)線性(L ) Equal percentage (%), linear () | |
| 可調比Rangeability | 30:1 | |
| 溫度范圍HT填料 Temperature range HT filler |
-10...220°C.14..430°F、220...350°C.430... 660°F | |
| 加延長段，最高 Add extension, maximum |
-20...500C-328.. .932°F | |
| 數據表Data sheet | IEC534-2、ANSI B16.104、GB/T4213-92 | |
CV值和行程
| 公稱直徑(mm) Nominal diameter | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | |||||||||||||||||
| 閥座直徑(mm) Valve base diameter | 25 | 32 | 40 | 32 | 40 | 50 | 40 | 50 | 65 | 50 | 65 | 80 | 65 | 80 | 100 | 80 | 100 | 120 | 100 | 125 | 150 | 125 | 150 | 200 | |
| 額定Rated | 高容量閥芯 High capacity valve plug | 30 | 50 | 85 | 125 | 200 | 310 | 420 | 700 | ||||||||||||||||
| Cv值 Cv value | 高精度閥芯 High precisionvalve plug | 10 | 17 | 24 | 17 | 24 | 44 | 24 | 44 | 68 | 44 | 68 | 99 | 68 | 99 | 175 | 99 | 175 | 275 | 175 | 275 | 360 | 275 | 360 | 640 |
| 額定行程(mm) Rated travel | 25 | 38 | 50 | 75 | |||||||||||||||||||||
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