JIS cast iron air vent head KS91A DN100-400
Standard Materials
| body | fc200 |
| float | sus316 |
| strainer | sus400 |
| packing | nbr |
| DN | d | D | C | NO. | h | t | H |
| 100 | 100 | 200 | 165 | 8 | 19 | 16 | 220 |
| 125 | 125 | 235 | 200 | 8 | 19 | 16 | 250 |
| 150 | 150 | 265 | 230 | 8 | 19 | 18 | 285 |
| 200 | 200 | 320 | 280 | 8 | 23 | 20 | 365 |
| 250 | 250 | 385 | 345 | 12 | 23 | 22 | 430 |
| 300 | 300 | 430 | 390 | 12 | 23 | 22 | 530 |
| 350 | 335 | 480 | 435 | 12 | 25 | 24 | 570 |
| 400 | 380 | 540 | 495 | 16 | 25 | 24 | 640 |
| 450 | 430 | 605 | 555 | 16 | 25 | 24 | 713 |