上海远先阀门有限公司生产的Q41F国标法兰球阀介绍：
要外形尺寸和连接尺寸(mm) main external and connection dimension(mm)
| 型号 | 公称通径 | 尺寸(mm)Dimensions | |||||||
| L | D | D1 | D2 | H | b-f | Z- φ d | Do | ||
| Q41F-16C/P | 15 | 130 | 95 | 65 | 45 | 60 | 14-2 | 4-14 | 108 |
| 20 | 140 | 105 | 75 | 55 | 64 | 14-2 | 4-14 | 120 | |
| 55 | 150 | 115 | 85 | 65 | 90 | 16-2 | 4-14 | 165 | |
| 32 | 165 | 135 | 100 | 78 | 105 | 18-2 | 4-18 | 180 | |
| 40 | 180 | 145 | 110 | 85 | 150 | 16-3 | 4-18 | 240 | |
| 50 | 200 | 160 | 125 | 100 | 190 | 16-3 | 4-18 | 240 | |
| 65 | 220 | 180 | 145 | 120 | 195 | 18-3 | 4-18 | 320 | |
| 80 | 250 | 195 | 160 | 135 | 215 | 20-3 | 8-18 | 350 | |
| 100 | 280 | 215 | 180 | 155 | 250 | 20-3 | 8-18 | 400 | |
| 125 | 320 | 245 | 210 | 185 | 280 | 22-3 | 8-18 | 500 | |
| 150 | 360 | 280 | 240 | 210 | 320 | 24-3 | 8-23 | 600 | |
| 200 | 400 | 335 | 295 | 265 | 370 | 26-3 | 12-23 | 800 | |
| 250 | 450 | 405 | 335 | 320 | 430 | 30-3 | 12-25 | 1300 | |
| Q41F-25C/PR | 40 | 180 | 145 | 110 | 85 | 160 | 16-3 | 4-18 | 240 |
| 50 | 200 | 160 | 125 | 100 | 205 | 20-3 | 4-18 | 270 | |
| 65 | 220 | 180 | 145 | 120 | 215 | 22-3 | 8-18 | 350 | |
| 80 | 250 | 195 | 160 | 135 | 230 | 22-3 | 8-18 | 400 | |
| 100 | 280 | 230 | 190 | 160 | 270 | 24-3 | 8-23 | 500 | |
| 125 | 320 | 270 | 220 | 188 | 300 | 28-3 | 8-25 | 600 | |
| 150 | 360 | 300 | 250 | 218 | 340 | 30-3 | 8-25 | 900 | |
| 200 | 400 | 360 | 310 | 278 | 400 | 34-3 | 12-25 | 1100 | |
| 250 | 450 | 425 | 370 | 332 | 450 | 36-3 | 12-30 | 1400 | |
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