... ,4,6,10,15,25,40,50,80,100,150,200,250,300mmSpecifocation:DN(mm)Flow range(m3/h)Medium temp ... .2%)Error (0.5%)Error (1.0%)MinMaxMinMaxMinMax2A0.030.16-20~+120(150*)(Degree Centigrade)6.3-25~+55(Degree Centigrade ... .040.256A0.10.66.316*25*40*0.0810A0.21.20.0515A0.640.660.03525A1.61011040A3203202201.6or2.516*25*0.02550A64064044080A161001610010100100A2516025160202001 ...