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1范围本标准适用于流通能力。本标准的目的是明确说明典型控制阀固有流量特性及固有范围度。同时亦明确了如何制定遵守制造厂规定的流量特性的准则。2参照的标准出版物534一1(1987)工业过程控制阀,第1部分:控制阀术语和总则
1 Scope This standard applies to the capacity of circulation. The purpose of this standard is to clearly illustrate the inherent flow characteristics of a typical control valve and inherent range. It also clarifies how to set guidelines for compliance with the manufacturer’s specified flow characteristics. 2 References Standard Publication 534-1 (1987) Industrial Process Control Valves, Part 1: Control Valve Terminology and General Provisions