... wear, so that the equipment can keep long, stable performance;6.Low pressure loss, 1/3 ~ 1/5 of traditional orifice ... application up to 850°C; high pressure up to 40MPa;8.Wide measuring (liquid, gas, steam), wide flowing range and bore ... requirement:5.upstream, 1 ~ 3D; downstream, 0 ~ 1D6.Reynolds number: 8,000 ~ 1X1077.Available bore size: DN15 ~ DN2,0008.Temperature: -50 ...