... .NameMaterialWorking temperature Working media 1Outer/inner rubberNR,EPDM,NBRNR:-15ºC - 115ºC Water, sea water, evaporation, oil, acid, alkali, and son ... .2Key frameNylon cord fabricEPDM: -30ºC - 170ºC 3Pressurized ringSteel Wire StrandNBR: -15ºC - 140ºC 4FlangeQ235SI: 200ºC -250ºC main connecting dimensionNominal diameterLength Outer ...