53-ON AIR PIPE HEAD
Standard Materials
| Body | FC200 |
| Float | SS316 |
| Rubber ring | NBR |
| Gasket | Non-asbestos |
| Cover | SS400 |
| Screen cover | SS304 |
| DN | d | D | C | NO-h | t | a | H | H1 |
| 50 | 50 | 130 | 105 | 4-15 | 14 | 7 | 184 | 176 |
| 65 | 65 | 155 | 130 | 4-15 | 14 | 7 | 204 | 203 |
| 80 | 80 | 180 | 145 | 4-19 | 14 | 7 | 225 | 238 |
| 100 | 100 | 200 | 165 | 8-19 | 16 | 8 | 265 | 271 |
| 125 | 125 | 235 | 200 | 8-19 | 16 | 8 | 304 | 323 |
| 150 | 150 | 265 | 230 | 8-19 | 18 | 9 | 339 | 378 |
| 200 | 200 | 320 | 280 | 8-23 | 18 | 9 | 434 | 493 |