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Liners / Covers
Liners And Covers
Liners and Covers are used to provide additional protection to the thin wall bellows element of the expansion joint. Dents or other damage to the bellows will materially affect the performance of an expansion joint and a cover should be used where conditions warrant this additional protection.
Liners or internal sleeves are used to minimize contact with the medium, smooth flow , control erosion and eliminate resonance where flow velocities are high.
Unaflex offers various liner designs. Drop in liners are avvailable which allow easy maintenance and replacement. Flared liners welded directly to the expansion joint are designed to allow proper clearance for expansion joint motion.
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