• CV calculated and estimated valve size as per the Manufacturer Catalogue (competent manufacturers), flow rates and operating range, operating conditions, applicable physical properties of process and utility streams, action of the measured variable, flashing status of the fluid and position in case of air failure shall be provided in the specification sheets for all types of control valves.
控制阀的计算。根据相关制造厂商(有实力制造商)资料目录,进行控制阀阀门尺寸的估算。所有型号的控制阀的规格数据表中应给出:流量,操作范围,操作条件,工艺和公用工程流股的适用的物性特征,测量变量的动作反应,流体的闪火态,和失气时阀位置。 |