A container leakage is caused by circle welding seam fractures in the course of hydraulicpressuretest.
一贮箱在水压试验时环焊缝开裂导致泄漏。
2
The value of stress under hydraulicpressuretest shall not exceed 90% of the yield point of the material in test temperature;
液体压力试验时的应力值，不得超过试验温度下材料屈服点的90%；
3
This series of products mainly used in BOP, valves, blowout pipeline, the BOP tools, wellhead equipment and other products of hydraulicpressuretest inspection.