产品介绍：
Q644(5) L（T）形气动球阀是由气动实行机构和三通阀组成，是一种旋转类切断调节阀门，具有关闭精密，结构紧凑，重量轻，维修方便等好处。广泛用于气体、液体、蒸汽、油品等腐蚀性介质的管道主动化控制中。
重要形状尺寸
1.6MPa重要形状及连接法兰尺寸 (mm)
| 通径 | 形状尺寸 | 连接法兰尺寸 | ||||||||||
| DN | in | L | L1 | L2 | H | D | D1 | D2 | C | f | n-φd | |
| 15 | 1/2 | 130 | 140/178 | 62/75 | 185/191 | 95 | 65 | 46 | 14 | 2 | 4-φ14 | |
| 20 | 3/4 | 150 | 164/214 | 75/91 | 197/225 | 105 | 75 | 56 | 16 | 2 | 4-φ14 | |
| 25 | 1 | 180 | 164/214 | 75/91 | 199/227 | 115 | 85 | 65 | 16 | 2 | 4-φ14 | |
| 32 | 11/4 | 200 | 190/295 | 91/112 | 240/266 | 140 | 100 | 76 | 18 | 3 | 4-φ18 | |
| 40 | 11/2 | 220 | 210/295 | 101/112 | 255/271 | 150 | 110 | 84 | 18 | 3 | 4-φ18 | |
| 50 | 2 | 240 | 247/340 | 112/127 | 286/307 | 165 | 125 | 99 | 20 | 3 | 4-φ18 | |
| 65 | 21/2 | 260 | 276/398 | 127/139 | 330/335 | 185 | 145 | 118 | 20 | 3 | 4-φ18 | |
| 80 | 3 | 280 | 308/438 | 139/159 | 349/383 | 200 | 160 | 132 | 20 | 3 | 8-φ18 | |
| 100 | 4 | 320 | 348/562 | 159/206 | 421/487 | 220 | 180 | 156 | 22 | 3 | 8-φ18 | |
| 125 | 5 | 380 | 432/724 | 176/228 | 485/557 | 250 | 210 | 184 | 22 | 3 | 8-φ18 | |
| 150 | 6 | 440 | 524/928 | 228/275 | 582/629 | 285 | 240 | 211 | 24 | 3 | 8-φ22 | |
| 200 | 8 | 550 | 648/1033 | 275/324 | 702/750 | 340 | 295 | 266 | 24 | 3 | 12-φ22 | |
2.5MPa重要形状及连接法兰尺寸（mm）
| 通径 | 形状尺寸 | 连接法兰尺寸 | ||||||||||
| DN | in | L | L1 | L2 | H | D | D1 | D2 | C | f | n-φd | |
| 15 | 1/2 | 150 | 164/214 | 75/91 | 191/219 | 95 | 65 | 46 | 14 | 2 | 4-φ14 | |
| 20 | 3/4 | 150 | 164/214 | 75/91 | 197/225 | 105 | 75 | 56 | 16 | 2 | 4-φ14 | |
| 25 | 1 | 180 | 190/246 | 91/101 | 227/237 | 115 | 85 | 65 | 16 | 3 | 4-φ14 | |
| 32 | 11/4 | 200 | 210/295 | 101/112 | 256/266 | 140 | 100 | 76 | 18 | 3 | 4-φ18 | |
| 40 | 11/2 | 220 | 247/340 | 112/127 | 271/292 | 150 | 110 | 84 | 18 | 3 | 4-φ18 | |
| 50 | 2 | 240 | 276/398 | 127/139 | 307/312 | 165 | 125 | 99 | 20 | 3 | 4-φ18 | |
| 65 | 21/2 | 260 | 308/438 | 139/159 | 335/370 | 185 | 145 | 118 | 22 | 3 | 4-φ18 | |
| 80 | 3 | 280 | 348/478 | 159/176 | 383/400 | 200 | 160 | 132 | 24 | 3 | 8-φ18 | |
| 100 | 4 | 320 | 378/724 | 176/228 | 438/510 | 235 | 190 | 156 | 24 | 3 | 8-φ22 | |
| 125 | 5 | 380 | 524/928 | 228/275 | 557/604 | 270 | 220 | 184 | 26 | 3 | 8-φ26 | |
| 150 | 6 | 440 | 648/1033 | 275/324 | 629/677 | 300 | 250 | 211 | 28 | 3 | 8-φ26 | |
| 200 | 8 | 550 | 715/1129 | 324/380 | 750/808 | 360 | 310 | 274 | 30 | 3 | 12-φ26 | |
