... Rating(mm)(in.)(m3/h)(m3/h) (MPa)(MPa) - Flange Fitting40.150.04 to 0.250.04 to 0.4Thread ... , 25200.750.8 to 80.45 to 9Thread: 6.3; Flange: 2.54.0, 6.3, 12, 16, 252511 to ... 100.5 to 10Thread: 6.3; Flange: 2.54.0, 6.3, 12, 16, 25321.251.5 ... 12, 16, 25401.52 to 201 to 30Thread: 6.3; Flange: 2.54.0, 6.3, 12, 16, 255024 to 402 ... , 4.0, 6.3, 12, 16 Digital water flow meter produced in China