5 below expansion joint flange ConnectionSize:1.25"-16" or DN32- ... Material:F304,F316,F304L,F316L 5 below expansion joint flange ConnectionA) Shock absorption expansion joint ; B) Easy installment and keep up ... media and the environment. 3. Material is a polar rubber, sealing, light weight, easy installation and maintenance, long life ... 0MPa, 1.6MPa, 2.5MPa. 5 below expansion joint flange Connection