... ") Flange: ANSI B16.5, DIN2501, BS4504 Material:EPDM, NBR, NR Rubber Expansion Joint: Size: DN32MM--DN3000MM (1 1/4"--120 ... ")Rubber material: EPDM,NBR, NR, NeopreneRubber sphere: Single ... ANSI B16.5, DIN2501, BS4504 Flange material: Carbon steelFlange surface: Galvanized Main Material: No.NameMaterial1Outer/inner rubberEPDM,NBR,NR, ...