日标铸铁摆式止回阀 JIS F7372 5K
Standard Materials
| body | fc200 |
| bonnet | fc200 |
| seat | bc6/sus420 |
| disc | bc6/sus420 |
| gasket | non-asbestos |
| DN | d | L | D | C | NO. | h | t | H |
| 50 | 50 | 190 | 130 | 105 | 4 | 15 | 16 | 97 |
| 65 | 65 | 220 | 155 | 130 | 4 | 15 | 18 | 119 |
| 80 | 80 | 250 | 180 | 145 | 4 | 19 | 18 | 129 |
| 100 | 100 | 280 | 200 | 165 | 8 | 19 | 20 | 146 |
| 125 | 125 | 330 | 235 | 200 | 8 | 19 | 20 | 171 |
| 150 | 150 | 380 | 265 | 230 | 8 | 19 | 22 | 198 |
| 200 | 200 | 460 | 320 | 280 | 8 | 23 | 24 | 235 |
| 250 | 250 | 550 | 385 | 345 | 12 | 23 | 26 | 290 |
| 300 | 300 | 640 | 430 | 390 | 12 | 23 | 28 | 351 |