一、进口电动高温调节阀概述
进口电动高温调节阀—(美国威盾VTON品牌,Electric high-temperature control valve),具有关闭严密,结构紧凑,重量轻,维修方便等优点。是采用智能一体化执行器与低流阻调节阀阀体组成。电动高温调节阀配以3810系列(或者PSL系列)电动执行器和精小型调节阀体组成,内含饲服功能,接受统一的4-20mA或1-5V·DC的标准信号,将电流信号转变成相对应的直线位移,自动地控制调节阀开度,达到对管道内流体的压力、流量、温度、液位等工艺参数的连续调节。电动高温调节阀调节机构采用平衡式阀塞结构,电动高温调节阀具有阀稳定性好,不易震动,噪音低,对温度敏感性小,允许使用压差不大、温度较大等特点。电动高温调节阀广泛使用于流量大,温度高,泄漏量要求不严格的场合。 电动高温调节阀广泛用于高温的气体、液体、蒸汽、油品介质的管道自动化控制中。
The imported electric high temperature control valve (VTON brand, Electric high temperature control valve) has the advantages of tight closure, compact structure, light weight, and easy maintenance. It is composed of an intelligent integrated actuator and a low flow resistance regulating valve body. The electric high-temperature regulating valve is composed of a 3810 series (or PSL series) electric actuator and a small regulating valve body, which includes feeding function. It receives a unified standard signal of 4-20mA or 1-5V · DC, converts the current signal into corresponding linear displacement, automatically controls the opening of the regulating valve, and achieves continuous adjustment of process parameters such as pressure, flow rate, temperature, and liquid level of the fluid in the pipeline. The regulating mechanism of the electric high-temperature regulating valve adopts a balanced valve plug structure. The electric high-temperature regulating valve has the characteristics of good valve stability, low vibration, low noise, low temperature sensitivity, small allowable pressure difference, and high temperature. Electric high-temperature regulating valves are widely used in situations with high flow rate, high temperature, and less stringent leakage requirements. Electric high-temperature regulating valves are widely used in pipeline automation control of high-temperature gas, liquid, steam, and oil media.
二、进口电动高温调节阀技术参数表
公称通径:DN20-DN300 | 配置执行器类别:3810系列、PSL系列等电动执行器(客户指定品牌亦可) | |
公称压力:1.6Mpa-25Mpa | 配置执行器类别:电源电压:220V | |
环境温度:标准型-25℃-80℃ | 环境温度:-25~+70℃ | |
适用介质:水、油品、气体 | 环境湿度:≤95% | |
额定行程(mm):16、25、40、60、100 | 电源电压:220V、380V | |
阀体材质:不锈钢、碳钢、铸铁、铸钢,合金类 | 输入信号:4-20mA或1-5V·DC | |
阀盖形式:高温型(+250~+450℃) | 输出信号:4-20mA·DC | |
阀芯形式:单座式、套筒式 | 防护等级:相当IP65 | |
阀杆材质:不锈钢 | 隔爆标志:ExdⅡBT4(ExdⅡBT6特殊定制) | |
密封填料:V型聚四氟乙烯填料、V型柔性石墨填料 | 手操功能:手柄 | |
设计制造:VTON | 环境湿度:≤95% | |
法兰标准:ANSI B16.5 | 动作时间:快 | |
结构长度:可选配 | 流量特性:等百分比、直线型 | |
压盖形式:螺栓压紧式 | 扭矩范围:5N.m~3000N.m |
三、电动高温调节阀性能指标表
项目 | 指标值 | |
基本误差% | 配V3810L±2.5; 配PSL±1.0 | |
回查百分之 | 配381L ±2.0; 配PSL±1.0 | |
死区% | 1.0 | |
额定行程偏差 | ≤2.5 | |
泄露量L/h | 0.01%×阀额定容量 | |
可调范围R | 30:1 |
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