... is low, only 1/2-1/3 of the orifice pressure loss Features 1Throtting piece is V- ... low, only 1/2-1/3 of.the orifice pressure loss 8 Integral structure design, the temperature, pressure ... about 1 / 2 ~ 1 / 3 of orifice pressure loss 6Upper limit of measured fluid viscosity: 500MPa · s 7Reynolds scope ... , liquid, vapor,particularly suitbale for the measurement of the slurry, sewage, fuel oil, residual oil ...