Double hinged expansion joints (HD)

Expansion joints

Double hinged expansion joints (HD)

Double hinged expansion joints are formed of two bellows connected with central pipe. Each bellows is designed to allow angular displacement in one plane only what is result of tie elements (hinge plates and pins) and as set expansion joint compensates lateral movement.

With application of these expansion joints, high values of movements can be compensated, advantage of this type is elimination of needs for robust fix points because force due to internal pressure is taken over by tie elements.

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