Sinopec news online news May 9th, the sales of Southern China branch led development of domestic intelligent pump controlled electrohydraulic actuator through the expert group pre acceptance, marking the relationship between the oil pipeline construction of the important technology was conquered.



The core technology is the weapon of the country. This kind of intelligent pump electro-hydraulic actuator is widely used in the key position of inlet and outlet valve and regulating valve of oil pipeline, but it has long been monopolized by foreign equipment. In order to break through the monopoly of foreign technology, the Southern China branch of the sale began to develop the intelligent pump controlled electro-hydraulic actuator in October 2016. It lasted for three years, and was produced by 8 generations of 3 generation prototypes. It was finally developed in December 2017 and put into industrial test application at the oil transportation station. After five months of industrial application test, the site runs smoothly, the accuracy of the main indicators is better than that of imported equipment, and passed the expert group pre assessment in May 9th. It is understood that the electro-hydraulic actuator has independent intellectual property rights, has obtained 3 national invention patents, and 9 invention patents are being examined in substance.