一、进口电动小流量调节阀概述
进口电动小流量调节阀(Electric small flow control valve)采用微小口径的阀芯,阀芯尺寸可从加工差等0.15-15mm,连接口径G3/8"、G1/2"、G3/4"、G1",配由美国威盾VTON的PSL系列电子式电动执行器,电动执行机构内有伺服放大器,无需另配伺服放大器,有输入控制信号(4~20mADC或1~5VDC)及单相电源即可控制运转,实现对介质的小流量等参数的调节。电动小流量调节阀是针对某些特殊工况量身定制的电动调节阀,微小流量电动调节阀是采用锻造阀体锻制而成,易做成高压结构。阀芯尺寸可从加工差等0.15-15mm,微小流量电动调节阀具有体积小,重量轻、连线简单、流量大、调节精度高等特点,电动小流量调节阀广泛应用于电力、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。
The imported electric small flow control valve adopts a small diameter valve core, with a valve core size ranging from 0.15-15mm in machining error. It is connected to diameters G3/8 ", G1/2", G3/4 ", and G1", and is equipped with PSL series electronic electric actuators from VTON. The electric actuator has a servo amplifier inside, without the need for an additional servo amplifier. It can control the operation with input control signals (4-20mADC or 1-5VDC) and a single-phase power supply, achieving the adjustment of parameters such as small flow of the medium. Electric small flow control valve is a customized electric control valve for certain special working conditions. The small flow electric control valve is forged with a forged valve body, which is easy to make into a high-pressure structure. The size of the valve core can range from 0.15-15mm in machining error. Micro flow electric control valves have the characteristics of small volume, light weight, simple connection, large flow rate, and high adjustment accuracy. Electric small flow control valves are 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、进口电动小流量调节阀技术参数
公称通径:G3/8"、1/2"、G3/4"、G1" | 阀座直径(dn):1.5-15 | |
额定流量系数KV:0.025-2.23 | 配置执行器类别:PSL系列、V3810L系列等电动执行器(客户指定品牌亦可) | |
公称压力:1.6Mpa-32Mpa | 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 | |
泄露量L/h:0.01%×阀额定容量 | 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:单座式 | 防护等级:IP65 | |
压盖形式:螺栓压紧式 | 隔爆标志:ExdⅡBT4(ExdⅡBT6特殊定制) | |
流量特性:等百分比、直线型 | 手操功能:手柄 | |
设计制造:VTON | 可调范围R:30:1 |
三、进口电动小流量调节阀零件材料
阀体 | WCB | 304 | 316 | 316L |
垫片 | PTFE石墨垫片 | PTFE石墨垫片 | PTFE石墨垫片 | PTFE石墨垫片 |
阀座 | 304 | 304 | 316 | 316L |
阀芯 | 304 | 304 | 316 | 316L |
阀盖 | WCB | 304 | 316 | 316L |
阀杆 | 304 | 304 | 316 | 316L |
填料 | PTFE/石墨 | PTFE/石墨 | PTFE/石墨 | PTFE/石墨 |
填料压盖 | WCB | 304 | 316 | 316L |
四、进口电动小流量调节阀连接尺寸
公称通径DN | 阀座直径dn | L | H | H1 | H2 | D |
G3/8“ | 1.5~15 | 95 | 30 | 130 | 465 | 177 |
G1/2“ | 1.5~15 | 95 | 30 | 130 | 465 | 177 |
G3/4“ | 1.5~15 | 110 | 30 | 130 | 465 | 177 |
G1“ | 1.5~15 | 110 | 30 | 130 | 465 | 177 |
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