NPT/BSPT Thread and flange connection, the size of 4mm,10mm,,,200mm.digital display ... (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 ... 12, 16, 25401.52 to 201 to 30Thread: 6.3; Flange: 2.54.0, 6.3, 12, 16, 255024 to ...