NEW: pressure-balanced pipe expansion joint by Spiroflex d.o.o.

They are designed with several bellows where the effective area of the balancing bellows is twice that of the line bellows

The pressure thrust forces cancel acting across the tie rods attached to the tie flanges. The anchors are only loaded by the displacement forces in expansion joints.

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Spiroflex d.o.o.

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Pipe expansion joints

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NEW: metal pipe expansion joint by Spiroflex d.o.o.

Mounting and demounting of valves or similar devices in the rigid pipelines is quite a difficult job

In the pipeline with high pressure and larger sizes with strong anchors at the ends of straight sections, Spiroflex recommends mount-demount expansion joints. The expansion joints are equipped with restrain screws which bridge convoluted part of expansion joint and they absorb the pressure thrust force due to the internal pressure of pipeline. Furthermore the mount-demou...

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NEW: angular pipe expansion joint by Spiroflex d.o.o.

Gimbal expansion joints are designed to accept angular movement in any plane

Four hinge restraints are welded on flanges and connected on common gimbal ring. Gimbal expansion joints are usually used in pairs or in system of one pair of gimbal expansion joints plus one hinged expansion joint.

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