... : Size: DN32MM--DN3000MM (1 1/4"--120") Flange: ANSI B16.5, DIN2501, BS4504 Material:EPDM, NBR, NR High-pressure Rubber Expansion ... ")Rubber material: EPDM,NBR, NRRubber sphere: Single sphere, Double sphere Flange: ANSI B16.5, DIN2501, BS4504 Flange material: Carbon steelFlange surface: Galvanized ... Pressure MPa(Kgf/cm2)3.0(30)4.8(48)5.5(55)Vacuum KPa(mmHg)53.3(400)86.7(650 ...