Throttling Butterfly Valve

NOM. Size ISO Ref A B C D Conductance Min. controllable conductance Max. differential pressure
1.5" KF40 80 89.2 54.9 41.3 80 l/s 0.25 l/s 1,000 mbar
2.0" KF50 90 95.5 74.9 52.3 150 l/s 0.30 l/s 1,000 mbar
2.5" ISO63 130 100 70 63 360 l/s 0.45 l/s 1,000 mbar
3.0" ISO80 145 108.1 83 80 850 l/s 0.65 l/s 1,000 mbar
4.0" ISO100 165 118.6 102 100 1,400 l/s 0.85 l/s 800 mbar
6.0" ISO160 225 149.7 153 150 3,800 l/s 1.70 l/s 300 mbar
8.0" ISO200 285 180.3 213 200 7,800 l/s 2.80 l/s 150 mbar
10.0" ISO250 335 205.6 261 250 15,00 l/s 5.00 l/s 100 mbar