... B16.5, DIN2501, BS4504 Material:EPDM, NBR, NR Rubber Expansion Joint: Size: DN32MM--DN3000MM (1 1/4"--120")Rubber material: ... ,NR,Neoprene2Key frameNylon cord fabric3Pressurized ringSteel Wire Strand4FlangeQ235Technical ConditionsTypeIIIIIIWork pressure MPa(Kgf/cm2)1(10)1.6(16)2 ... .5(25)Explosion Pressure MPa(Kgf/cm2)3.0(30)4.8(48 ... water,hot water,oil,acid,alkali etc Rubber Expansion Joint