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Polyurethane bending restrictor for submarine cables origin China

2020-08-28 10:40 click:474
Whether it is a metal polyuretahne bend restrictor or a polyurethane bend limiter, they are composed of a series of cylindrical substructures of the same shape and size. There is a fixed rotation allowance between the two adjacent substructures of the bend limiter. When the adjacent substructures are locked together by relative rotation, the bend limiter reaches the locked state, and the overall bending radius is Is the locking radius of the bend limiter. Different from the bending limit mode of the bend preventer, when the bending radius of the flexible tube cable does not reach the locking radius of the bend limiter, the bend limiter has no effect on the flexible tube and cable. When the bending radius of the flexible umbilical cable reaches the locking radius of the bend limiter, the substructures of the bend limiter will be locked together, and the entire bend limiter will become a rigid structure. Continue to bend to limit it. The locking radius of the bend limiter is designed according to the minimum bending radius of the flexible tubing cable. Generally, the locking radius of the bend limiter is required to be greater than the allowable minimum bending radius of the flexible tubing cable.
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