标准摘要
[中文适用范围]： 本文件规定了测量电动或气动方向控制阀换档时间的测试程序。 适用于单稳态和双稳态气动方向控制阀，具有二位或三位功能。 [外文原描述]： This document specifies test procedures for measuring the shifting times of electrically or pneumatically operated directional control valves. It is applicable to monostable and bistable pneumatic directional control valves, with 2 or 3 position functions.
英文名称Pneumatic fluid power — Directional control valves — Measurement of shifting time