... ,Prompt delivery,flexible MOQ,nonstandard OEM rubber joint,flexible rubber joint,expansion jointWe manufacture varieties of expansion ... sharp metal in order to avoid breaking of the rubber body. 4. Technical data: 1) Flange standard ... : ANS1150, or DIN, or UNI. 2) Rubber: EPDM / NBR Rubber. 3) Pressure: PN6. PN10, PN16, ANSI150. 4 ... sea water, weak acidoil, alk aline, etc. soft rubber joint