VALVE SIZE | A1 (RF) | A2 (RTJ) | A3 (BW) | A4 (SW) |
NPS | DN | In | mm | in | mm | in | mm | in | mm |
2 | 50 | 8.00 | 203 | 8.50 | 216 | 8.00 | 203 | 8.00 | 203 |
2.5 | 65 | 8.50 | 216 | 9.00 | 229 | 8.50 | 216 | 8.50 | 216 |
3 | 80 | 9.50 | 241 | 10.00 | 254 | 9.50 | 241 | 9.50 | 241 |
4 | 100 | 11.50 | 292 | 12.00 | 305 | 11.50 | 292 | 11.50 | 292 |
5 | 125 | 13.00 | 330 | 13.50 | 343 | 13.00 | 330 | 13.00 | 330 |
6 | 150 | 14.00 | 356 | 14.50 | 369 | 14.00 | 356 | 14.00 | 356 |
8 | 200 | 19.50 | 495 | 20.00 | 508 | 19.50 | 495 | 19.50 | 495 |
10 | 250 | 24.50 | 622 | 25.00 | 635 | 24.50 | 622 | 24.50 | 622 |
12 | 300 | 27.50 | 698 | 28.00 | 711 | 27.50 | 698 | 27.50 | 698 |
14 | 350 | 31.00 | 787 | 31.50 | 800 | 31.00 | 787 | 31.00 | 787 |
16 | 400 | 36.00 | 864 | 36.50 | 876 | 36.00 | 864 | 36.00 | 864 |
18 | 450 | 38.50 | 978 | 39.00 | 991 | 38.50 | 978 | 38.50 | 978 |
20 | 500 | 38.50 | 978 | 39.00 | 991 | 38.50 | 978 | 38.50 | 978 |