在液压动力系统中，动力通过封闭回路中的受压液体进行传输和控制。液压阀可用于控制流经回路的工作流体的方向。对于某些应用，通过给电磁阀通电或断电来改变流体方向所需的时间对流体动力系统设计师来说很重要。1.范围1。1本标准包括一个标准化程序，用于定义、测量和报告液压电磁阀操作方向控制阀的响应时间，并将系统的影响降至最低。包括的阀门是电控的，直接或直接安装先导阀，不包括伺服阀和比例阀。 1.2本标准旨在:a）建立响应时间的标准定义；b） 为液压流体动力系统的制造商和用户提供统一的基础，以测量和比较液压流体动力电磁阀操作方向阀的响应时间；c） 建立一种标准方法，用于呈现响应时间测量的结果。

In hydraulic power systems, power is transmitted and controlled through a liquid under pressure within an enclosed circuit. Hydraulic valves can be used to control the direction of the working fluid through the circuit. For some applications, the time required to change the direction of the fluid by energizing or de-energizing the solenoid valve is important to the fluid power system designer.1 Scope1.1 This standard includes a standardized procedure for defining, measuring and reporting the response time of hydraulic solenoid operated directional control valves with minimum influence from the system. Valves included are electrically controlled, either directly or with a direct-mounted pilot valve, excluding servo and proportional valves.1.2 This standard is intended to:a) establish a standard definition of response time;b) provide a uniform basis to manufacturers and users of hydraulic fluid power systems for measuring and comparing the response time of hydraulic fluid power solenoid operated directional valves;c) establish a standard means for presenting the results of response time measurements.