标准号:SIS SS IEC 534-1-1983
中文标准名称:工业过程测控.工业过程控制阀.总则
英文标准名称:Industrial-process measurement and control — Industrial-process control valves — General considerations
发布日期:1983/6/25 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Part 1 of this standard applies to all types of iridustrial-process control valves (hereafter referred to as control valves). It establishes basic definitions, specifies tolerances on flow coefficients, provides classifications, outlines a fiow testing method for incompressible fluids and gives seat leakage r?tes and marking requirements.Note. — Other parts of this standard will cover control valve sizing under installed conditions, actuator selection, routine test procedures, and face-to-face dimensions.