一、进口电动衬氟调节阀概述
进口电动衬氟调节阀---美国威盾VTON品牌,(Electric fluorine lining control valve),由低流阻直通衬聚四氟乙烯的单座阀,或与低流阻陈四氟套筒阀配用威盾3系列直行程电动执行机构组成,电动执行机构内有伺服放大器,无需另配用伺服放大器,有输入控制信号(4-20mADC或1-5VDC)及单相电源即可控制运转,阀体全衬四氟,耐强酸碱,耐腐蚀,实现对强酸碱腐蚀性介质的压力、流量、温度、液位等参数的调节。广泛应用于电力、石油、化工、冶金、环保、轻工、教学和科研设备等行业的工业过程自动控制系统中。
Electric fluorine lining control valve - American Weidun VTON brand, electric fluorine lining control valve, composed of a single seat valve with low flow resistance and PTFE lining, or a Weidun 3 series direct stroke electric actuator paired with a low flow resistance PTFE sleeve valve. The electric actuator has a servo amplifier inside, without the need for an additional servo amplifier. It can control operation with input control signals (4-20mADC or 1-5VDC) and single-phase power supply. The valve body is fully lined with PTFE, resistant to strong acid and alkali, and corrosion, achieving the adjustment of parameters such as pressure, flow rate, temperature, and liquid level for strong acid and alkali corrosive media. Widely used in industrial process automatic control systems in industries such as power, petroleum, chemical, metallurgy, environmental protection, light industry, teaching and research equipment.
二、进口电动衬氟调节阀主要技术参数
公称通径:20-150 | 阀座直径(dn):20-150 | |
额定流量系数KV:5.0-240 | 配置执行器类别:威盾3810系列、PSL系列等电动执行器 | |
公称压力:1.6Mpa-6.4Mpa | 环境温度:-25~+70℃ | |
适用介质:水、油品、气体 | 环境湿度:≤95% | |
连接方式:法兰、螺纹、卡箍 | 电源电压:220V | |
流量特性:快开特性 | 输入信号:4-20mA或1-5V·DC | |
阀盖形式:标准型(-17~+250℃)、高温型(+250~+450℃)、低温型(-40~-196℃)、波纹管密封型(-40~+350℃) | 输出信号:4-20mA·DC | |
阀芯形式:单座柱塞式衬氟阀芯 | 防护等级:IP68 | |
手操功能:手柄 | 隔爆标志:ExdⅡBT4(ExdⅡBT6特殊定制) |
三、进口电动衬氟调节阀主要零件材料
零件 | 材料 | |
阀体、阀盖 | ZG230-450衬F46 | |
阀座、阀芯 | 304衬F46 | |
阀杆 | 304衬F46 | |
导向套 | 304衬F46 | |
波纹管 | 不锈钢+F46 |
四、进口电动衬氟调节阀主要性能指标
项目 | 指标值 | |
基本误差% | 配V3810L±2.5; 配PSL±1.0 | |
回差% | 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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