标准摘要
[中文适用范围]： 本国际标准定义了用于制造符合ISO 14313和API 6D规范的阀门的电动、气动和液压执行机构的机械完整性和尺寸规格要求。本国际标准适用于安装在管道阀门上的所有类型的电动、气动和液压执行机构，包括安装套件。本国际标准不适用于安装在控制阀上的执行机构、用于调节的阀门、海底服务中的阀门、手持动力装置、独立手动操作齿轮箱、仪表管路及相关配件以及执行机构控制设备。 [外文原描述]： ISO 12490:2011 defines the requirements for mechanical integrity and sizing of actuators used on valves manufactured under ISO 14313 and API Specification 6D. ISO 12490:2011 is applicable to all types of electric, pneumatic and hydraulic actuators, inclusive of mounting kit, installed on pipeline valves. ISO 12490:2011 is not applicable to actuators installed on control valves, valves being used for regulation, valves in sub-sea service, handheld powered devices, stand-alone manually operated gearboxes, instrument tubing and associated fittings and actuator control equipment.
英文名称Petroleum and natural gas industries — Mechanical integrity and sizing of actuators and mounting kits for pipeline valves