... accordingly. Rubber material may be selected according t your requirement.Flange standard: ANSI, DIN, JIS, GB or othersRubber: NR, NBR, ... five series of patent products. They are flexible rubber joints, reduced rubber joints, rubber elbows, fan coil joint, sewage check valve ... Joint is consist of fabric reinforced rubber body and metal flange or loose joint ,used at shock absorber and compensate for ...