We manufacture hinge type flexible bellows connector a hinged expansion joint contains one bellows and is tailored to permit angular rotation in one plane only by the utilization of a set of pins through hinge plates affixed to the expansion joint ends. The hinges and hinge pins must be crafted to restrain the thrust of the expansion joint due to internal pressure and extraneous forces, Where applicable. Hinged expansion joints should can serve in sets of a pair or trio to function properly. Cold water, Hot water and other, Mainly used in steam pipelines. Features bulk productiontimely delivery easily availableoperating pressure range0. 2 mpa to 20 mpa