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几种新型实用的液压控制阀张彦军官忠范第四讲内、外控顺序阀及其应用１结构与工作原理１１结构内、外控顺序阀是近年国内新开发研制的一种多功能压力控制阀。在某些场合正确使用该阀，可以简化液压系统，提高液压系统性能和效率。内、外控顺序阀的结构原理如图１所示...
Several new and practical hydraulic control valve Zhang Yanjun ⊕ Guan Zhongfan Lecture IV, the external control sequence valve and its application 1 Structure and working principle 11 structure, the external control sequence valve is a newly developed domestic in recent years more Functional pressure control valve. The correct use of the valve on some occasions simplifies the hydraulic system and improves the hydraulic system’s performance and efficiency. Internal and external control sequence valve structure principle shown in Figure 1 ...