... :0.6MPa-2.5MPa Material:F304,F316,F304L,F316Letc API Metal expansion joint SS304 SpecificationsA) Shock absorption expansion joint ; B) Easy ... and maintenance, long life, but to avoid contact with sharp metal instruments, so as not to puncture the sphere. 4. Without ... pressure 0.6MPa, 1.0MPa, 1.6MPa, 2.5MPa. API Metal expansion joint SS304