Class 300 – Check Valve

VALVE SIZE A1 (RF) A2 (RTJ) A3 (BW) A4 (SW)
NPS DN In mm in mm in mm in mm
2 50 10.50 267 11.12 283 10.50 267 10.50 267
2.5 65 11.50 292 12.12 308 11.50 292 11.50 292
3 80 12.50 318 13.12 334 12.50 318 12.50 318
4 100 14.00 356 14.62 372 14.00 356 14.00 356
5 125 15.75 400 16.37 416 15.75 400 15.75 400
6 150 17.50 444 18.12 460 17.50 444 17.50 444
8 200 21.00 533 21.62 549 21.00 533 21.00 533
10 250 24.50 622 25.12 638 24.50 622 24.50 622
12 300 28.00 711 28.62 727 28.00 711 28.00 711
14 350 33.00 838 33.62 854 33.00 838 33.00 838
16 400 34.00 864 34.62 879 34.00 864 34.00 864
18 450 38.50 978 39.12 994 38.50 978 38.50 978
20 500 40.00 1016 40.62 1035 40.00 1016 40.00 1016