... RatingCustomized Pressure Rating(mm)(in.)(m3/h)(m3/h) (MPa)(MPa) - Flange Fitting40.150.04 to 0.250.04 to 0.4Thread: 6.312, 16 ... , 2560.250.1 to 0.60.06 to 0.6Thread: 6.312, 16, 25100 ... , 12, 16200880 to 80040 to 800Flange: 1.62.5, 4.0, 6.3, 12, 16 liquid turbine flow meter to measure water flowrate in pipeline