... Flow Range (SFR) Extended Flow Range (EFR)Standard Pressure RatingCustomized Pressure Rating(mm)(in.)(m3/h)(m3/h) (MPa)(MPa ... ) - Flange Fitting40.150.04 to 0.250.04 to 0 ... 2.54.0, 6.3, 12, 16, 255024 to 402 to 40Flange: 2.54.0, 6.3, 12, 16, ... 12, 16200880 to 80040 to 800Flange: 1.62.5, 4.0, 6.3, 12, 16 liquid turbine flow meter to measure water flowrate ...