ประตูน้ำลิ้นปีกผีเสื้อ( BUTTERFLY VALVE )
| SIZE | ØD | ØC | ØG | Ød | n | e | B | F | L | |
| Short Body | Long Body | |||||||||
| 100 | 220 | 180 | 156 | 19 | 8 | 11 | 21 | 3 | 127±1 | 190±1 |
| 150 | 285 | 240 | 211 | 23 | 8 | 11 | 23 | 3 | 140±1 | 210±2 |
| 200 | 340 | 295 | 266 | 23 | 8 | 12 | 23 | 3 | 152±1 | 230±2 |
| 250 | 395 | 350 | 319 | 23 | 12 | 14 | 25 | 3 | 165±1 | 250±2 |
| 300 | 445 | 400 | 370 | 23 | 12 | 15 | 24 | 4 | 178±1 | 270±2 |
| 400 | 565 | 515 | 480 | 28 | 16 | 17 | 28 | 4 | 216±2 | 310±2 |
| 500 | 670 | 620 | 582 | 28 | 20 | 21 | 30 | 4 | 226±2 | 350±2 |
| 600 | 780 | 725 | 682 | 31 | 20 | 24 | 31 | 5 | 267±2 | 390±2 |