GB/T 2878的本部分规定了液压传动连接用米制螺纹油口的尺寸和要求,适用于与GB/T 2878.2和GB/T 2878.3中规定的螺柱端连接。
本部分所规定的油口适用的最高工作压力为63 MPa(630 bar)。许用工作压力应根据油口尺寸、材料、结构、工况、应用等因素来确定。
本部分的使用者宜确保油口周边的材料足以承受最高工作压力。
This document specifies general specification and requirements of test,inspection,mark,package and storage for hydraulic filter element.
This document is applicable to filter element with hydraulic fluid as working medium.
This standard establishes the term,the definition,the representation,the measurement methods and devices of Pneumatic power.
This standard is applicable to the representation and the measurement of the pneumatic power in the compressed air in all relevant instruments as well as their charge and discharge ports,which are working under the atmosphere condition with the compressed air as the working fluid.
本标准规定了电控或气控方向控制阀和逻辑元件的切换时间的定义、测量方法以及测试结果报告的方法,以便气动系统应用。