... material may be selected according t your requirement.Flange standard: ANSI, DIN, JIS, GB or othersRubber: NR, NBR, SBR, EPDMPressure: ... fans and other piping systemsbr> [Media]:Common type used to transport -15 to 120 centigrade, of air, compressed air, water, sea water ... , oil, acid and alkali. Special type used to transport -30 to 250 centigrade of the medium contain oil, strong alkali ...