... :EPDM, NBR, NR Rubber Expansion Joint: Size: DN32MM--DN3000MM (1 1/4"--120")Rubber material: EPDM,NBR, NR, NeopreneRubber sphere: Single sphere, Double sphere Flange: ANSI B16.5 ... ~250Applicable Mediawater,sea water,hot water,oil,acid,alkali etc Rubber Expansion Joint