GB/T 17213.7-1998 in English

《GB/T 17213.7-1998工业过程控制阀 第7部分:控制阀数据单》由TC124（全国工业过程测量控制和自动化标准化技术委员会）归口，TC124SC1（全国工业过程测量控制和自动化标准化技术委员会温度、流量、机械量、物位、显示仪表、执行器和结构装置分会）执行，主管部门为中国机械工业联合会。
本标准提出了一份各种要求的清单，这些要求都是采购绝大多数过程系统用控制阀所必需的。

Scope

This standard presents a list of requirements that are necessary for the procurement of control valves for the vast majority of process systems. However, it is not the intention of this standard to list all possible requirements for any conceivable process system. The arrangement format of the list is designed according to the standardized data representation, which helps the fillers to fill in the specifications correctly and lays the foundation for the adoption of data processing devices. In order to ensure that the abbreviations can be fully understood and the consistency of the data filled in, detailed instructions are attached to this standard.