... ) Extended Flow Range (EFR)Standard Pressure RatingCustomized Pressure Rating(mm)(in.)(m3/h)(m3/h) (MPa)(MPa) - Flange Fitting40.150.04 ... ; Flange: 2.54.0, 6.3, 12, 16, 252511 to 100.5 to 10Thread: 6.3; Flange: 2.54.0, 6.3 ... ; Flange: 2.54.0, 6.3, 12, 16, 255024 to 402 to 40Flange: 2.54.0, 6.3, 12, 16, 25652.57 ... : 1.62.5, 4.0, 6.3, 12, 16150630 to 30015 to 300Flange: 1.62.5, 4.0, 6.3, 12, 16200880 ...