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 | 8.50 | 216 | 9.12 | 232 | 8.50 | 216 | 8.50 | 216 | 14 | 350 |
2 1/2 | 65 | 9.50 | 241 | 10.12 | 257 | 9.50 | 241 | 9.50 | 241 | 16 | 400 |
3 | 80 | 11.12 | 283 | 11.74 | 299 | 11.12 | 283 | 11.12 | 283 | 20 | 500 |
4 | 100 | 12.00 | 305 | 12.62 | 321 | 12.00 | 305 | 12.00 | 305 | 20 | 500 |
6 | 150 | 15.88 | 403 | 16.50 | 419 | 18.00 | 403 | 18.00 | 403 | 24 | 600 |
8 | 200 | 19.75 | 502 | 20.37 | 518 | 20.50 | 521 | 20.50 | 521 | 24 | 600 |
10 | 250 | 22.38 | 568 | 23.00 | 584 | 22.00 | 559 | 22.00 | 559 | 24 | 600 |
12 | 300 | 25.50 | 648 | 26.12 | 664 | 25.00 | 635 | 25.00 | 635 | 24 | 600 |
14 | 350 | 30.00 | 762 | 30.62 | 778 | 30.00 | 762 | 30.00 | 762 | 32 | 800 |
16 | 400 | 33.00 | 838 | 33.62 | 854 | 33.00 | 838 | 33.00 | 838 | 32 | 800 |
18 | 450 | 36.00 | 914 | 36.62 | 930 | 36.00 | 914 | 36.00 | 914 | 32 | 800 |
20 | 500 | 39.00 | 991 | 39.75 | 1010 | 39.00 | 991 | 39.00 | 991 | 32 | 800 |
24 | 600 | 45.00 | 1143 | 45.88 | 1165 | 45.00 | 1143 | 45.00 | 1143 | 32 | 800 |
26 | 650 | 49.00 | 1245 | 50.00 | 1270 | 49.00 | 1245 | 49.00 | 1245 | 32 | 800 |
28 | 700 | 53.00 | 1346 | 54.00 | 1371 | 53.00 | 1346 | 53.00 | 1346 | 32 | 800 |
30 | 750 | 55.00 | 1397 | 56.00 | 1422 | 55.00 | 1397 | 55.00 | 1397 | 32 | 800 |
32 | 800 | 60.00 | 1524 | 61.12 | 1552 | 60.00 | 1524 | 60.00 | 1524 | 32 | 800 |