The hydraulic profile control and water shutoff pump is a hydraulic driven reciprocating pump with double cylinders and single action. 液压调剖堵水泵是一种液压驱动的双缸单作用往复泵。
The second-stage exhaust pressure surpasses its design value, due to poor performance of the cooler in a reciprocating air compressor, which leads to action of safety valve. 由于活塞式空压机二级冷却器冷却效果不佳,二级排气压力超过设计压力,造成安全阀起跳。