125u型管卡的作用就是把输送泵管固定在泵车臂架上，防止泵管松动，一根泵管需要两个u型管卡来固定。
The function of the 125u pipe clamp is to fix the conveying pump pipe on the boom of the pump truck to prevent the loosening of the pump pipe. A pump pipe needs two U pipe clamps to fix it.
125u型管卡使用钢筋生产，把钢筋加工成合适的尺寸，表面包裹橡胶或者聚氨酯，在与螺丝，垫片等配件组合而成。
The 125u pipe clamp is made of reinforcing bars, which are processed into suitable sizes and coated with rubber or polyurethane. It is composed of screw, gasket and other fittings.