The market for polyurethane bend restrictor and stiffeners can be segmented according to application and region. In terms of applications, the market for bend limiters and stiffeners can be divided into cables, submarine risers, pipelines, and flexible pipes. The bend restrictor is used to protect the flexible pipe from bending and excessive bending during its installation or operation phase, during which static load will be generated. Bend limiters are used to support flexible pipes in free spans. In flexible pipes, due to excessive bending, wellhead connections, PLET connections, J-tube outlets, rigid pipe intersections, and on subsea buoys, the pipeline structure may be damaged. Unlike bending reinforcements, the bending limiter provides protection once the hose reaches a certain bending radius.
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