额定流量系数是调节阀的固有特性,是不变的,你想问的应该是相对流量是多少吧,相对流量是和阀门压差有直接关系的.
当压降比s小于1时,流量特性发生畸变,因此,同样开度下的流量值发生变化.
线性流量特性控制阀在不同压降比下相对流量与相对行程的关系
x050.05x050.10x050.15x050.2x050.25x050.3x050.4x050.5
10%x050.7569x050.8680x050.9126x050.9367x050.9517x050.9621x050.9753x050.9834
20%x050.5060x050.6838x050.7745x050.8295x050.8665x050.8930x050.9284x050.9511
30%x050.3349x050.5152x050.6280x050.7051x050.7612x050.8039x050.8644x050.9054
40%x050.2298x050.3865x050.5001x050.5863x050.6539x050.7084x050.7908x050.8501
50%x050.1647x050.2939x050.3980x050.4836x050.5553x050.6162x050.7141x050.7893
0.6 x050.7x050.8x05 0.9 1.0
10%x050.9889x050.9928x050.9958x050.9981x051.0000
20%x050.9669x050.9785x050.9873x050.9943x051.0000
30%x050.9348x050.9571x050.9745x050.9885x051.0000
40%x050.8948x050.9297x050.9578x050.9808x051.0000
50%x050.8489x050.8973x050.9374x050.9712x051.0000