... sharp metal in order to avoid breaking of the rubber body.4. For flanges of other standards or non-standards. It is ... transport -15 to 120 centigrade, of air, compressed air, water, sea water, oil, acid and alkali. Special type used to transport ... could reach to -30--250 centigradeMediaair,compressed air ,water, seawater,hot water,oil,acid,alkali etc.Main Dimension: DNLenth LAxial DisplacementLateral ...