| VALVE SIZE | A1 (RF) | A2 (RTJ) | A3 (BW) | A4 (SW) | W |
| NPS | DN | In | mm | in | mm | in | mm | in | mm | in | mm |
| 2 | 50 | 11.50 | 292 | 11.62 | 295 | 11.50 | 292 | 11.50 | 292 | 14 | 350 |
| 2 1/2 | 65 | 13.00 | 330 | 13.12 | 333 | 13.00 | 330 | 13.00 | 330 | 16 | 400 |
| 3 | 80 | 14.00 | 356 | 14.12 | 359 | 14.00 | 356 | 14.00 | 356 | 20 | 500 |
| 4 | 100 | 17.00 | 432 | 17.12 | 435 | 17.00 | 432 | 17.00 | 432 | 20 | 500 |
| 6 | 150 | 22.00 | 559 | 22.12 | 562 | 22.00 | 559 | 22.00 | 559 | 24 | 600 |
| 8 | 200 | 26.00 | 660 | 26.12 | 664 | 26.00 | 660 | 26.00 | 660 | 24 | 600 |
| 10 | 250 | 31.00 | 787 | 31.12 | 791 | 31.00 | 787 | 31.00 | 787 | 24 | 600 |
| 12 | 300 | 33.00 | 838 | 33.12 | 841 | 33.00 | 838 | 33.00 | 838 | 24 | 600 |
| 14 | 350 | 35.00 | 889 | 35.12 | 892 | 35.00 | 889 | 35.00 | 889 | 32 | 800 |
| 16 | 400 | 39.00 | 991 | 39.12 | 994 | 39.00 | 991 | 39.00 | 991 | 32 | 800 |
| 18 | 450 | 43.00 | 1092 | 43.12 | 1095 | 43.00 | 1092 | 43.00 | 1092 | 32 | 800 |
| 20 | 500 | 47.00 | 1194 | 47.25 | 1200 | 47.00 | 1194 | 47.00 | 1194 | 32 | 800 |
| 24 | 600 | 55.00 | 1397 | 55.38 | 1407 | 55.00 | 1397 | 55.00 | 1397 | 32 | 800 |
| 26 | 650 | 57.00 | 1448 | 57.50 | 1461 | 57.00 | 1448 | 57.00 | 1448 | 32 | 800 |
| 28 | 700 | 61.00 | 1549 | 61.60 | 1562 | 61.00 | 1549 | 61.00 | 1549 | 32 | 800 |