KVQ944/55F電動三通球閥是綜合技術而開發的新型直通調節閥。標準球芯有L型三通雙口孔種，改變球芯與管道的相對角度，可以對直支管道流體實現不同的組合控制：T型孔道可型孔逆起配比作用，電動三通調節球閥適用于液體、氣體、蒸汽等介質的配比調節與控制。執行機構可根據用PSQ，HQ，NB等系列電子式電動執行機構。
→ 電動三通調節球閥主要外形及連接法蘭尺寸
| 通徑 | 外形尺寸 | 接法蘭尺寸 | ||||||||||
| mm | in | L | D0 | L1 | L2 | H | D | D1 | D2 | C | f | n-Φd |
| 15 | 1/2 | 150 | 75 | 140/178 | 62/75 | 185/191 | 95 | 65 | 46 | 14 | 2 | 4-Φ14 |
| 20 | 3/4 | 150 | 75 | 164/214 | 75/91 | 197/225 | 105 | 75 | 56 | 16 | 2 | 4-Φ14 |
| 25 | 1 | 180 | 90 | 164/214 | 75/91 | 199/227 | 115 | 85 | 65 | 16 | 2 | 4-Φ14 |
| 32 | 11/4 | 200 | 100 | 190/295 | 91/112 | 240/266 | 140 | 100 | 76 | 18 | 3 | 4-Φ18 |
| 40 | 11/2 | 220 | 110 | 210/295 | 101/112 | 255/271 | 150 | 110 | 84 | 18 | 3 | 4-Φ18 |
| 50 | 2 | 240 | 120 | 247/340 | 112/127 | 286/307 | 165 | 125 | 99 | 20 | 3 | 4-Φ18 |
| 65 | 21/2 | 260 | 130 | 276/398 | 127/139 | 330/335 | 185 | 145 | 118 | 20 | 3 | 4-Φ18 |
| 80 | 3 | 280 | 140 | 308/438 | 139/159 | 349/383 | 200 | 160 | 132 | 20 | 3 | 8-Φ18 |
| 100 | 4 | 320 | 160 | 348/562 | 159/206 | 421/487 | 220 | 180 | 156 | 22 | 3 | 8-Φ18 |
| 125 | 5 | 380 | 190 | 432/724 | 176/228 | 485/557 | 250 | 210 | 184 | 22 | 3 | 8-Φ18 |
| 150 | 6 | 440 | 220 | 524/928 | 228/275 | 582/629 | 285 | 240 | 211 | 24 | 3 | 8-Φ22 |
| 200 | 8 | 550 | 275 | 948/1033 | 275/324 | 702/750 | 340 | 295 | 266 | 24 | 3 | 12-Φ22 |
| 通徑 | 外形尺寸 | ||||||||
| DN | in | d | G | L | L0 | L1 | L2 | H | S |
| 15 | 1/2 | 10 | 1/2" | 68 | 34 | 140/178 | 62/75 | 130/135 | 26 |
| 20 | 3/4 | 15 | 3/4" | 78 | 39 | 140/178 | 62/75 | 135*141 | 32 |
| 25 | 1 | 20 | 1" | 86 | 43 | 140/214 | 62/91 | 139/173 | 38 |
| 32 | 11/4 | 25 | 11/4" | 111 | 55.5 | 164/214 | 75/91 | 158/186 | 49 |
| 40 | 11/2 | 32 | 11/2" | 126 | 63 | 164/246 | 75/101 | 165/203 | 56 |
| 50 | 2 | 38 | 2" | 143 | 71.5 | 190/295 | 91/112 | 202/228 | 70 |
| 65 | 21/2 | ||||||||
| 80 | 3 | ||||||||
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