进口比例积分电动调节阀质量就是好德国洛克《DE LOCKE》

一、进口比例积分电动调节阀描述：

德国《LOCKE》洛克进口比例积分电动调节阀QS系列阀门驱动器为内置24V/AC双向可逆马达直行程驱动器，能接受与反馈0-10V或4-20mA控制讯号，与KT/KTF系列阀体配套使用提供比例式控制，实现管道中介质流量的调节功能。广泛应用于空调、采暖等系统中，亦可通过不同的连接器与其它阀门配套使用。驱动器垂直安装于阀体上，不可安装在阀体下面，需留出足够的空间以便日常维护。

The QS series valve driver of proportional integral electric control valve imported from Germany "locke" is a built-in 24 V / AC bidirectional reversible motor direct stroke driver, which can receive and feedback 0-10V or 4-20mA control signal. It is used with kt / KTF series valve body to provide proportional control and realize the regulation function of pipeline medium flow. It is widely used in air conditioning, heating and other systems. It can also be used with other valves through different connectors. The actuator should be installed vertically on the valve body, not under the valve body. Enough space should be reserved for routine maintenance.

二、进口比例积分电动调节阀结构特点：

★执行器选用铸铝支架及塑料外壳，体积小、重量轻

★选用永磁同步电机，并带有磁滞离合机构，具有可靠的自我保护功能

★适合多种控制信号：增量（浮点）、电压（0～10V）、电流（4～20mA）

★具有0～10V或4～20mA反馈信号（选配）

★传动齿轮采用金属齿轮，大大提高了驱动器的使用寿命

★功耗低、输出扭力大、噪音小

★现场安装方便。

★阀体有螺纹连接和法兰连接两种，安装方便，其构造符合IEC国际标准

★阀体有铸铜、铸铁、铸钢、不锈钢多种材质可供选择，以适合不同工作介质及温度的要求

★阀体结构形式有两通阀（单座）、两通平衡阀（平衡式）、三通合流和三通分流阀

The actuator adopts cast aluminum bracket and plastic shell, which is small in size and light in weight

The permanent magnet synchronous motor with hysteresis clutch mechanism has reliable self-protection function

Suitable for various control signals: increment (floating point), voltage (0-10V), current (4-20mA)

With 0-10V or 4-20mA feedback signal (optional)

The transmission gear adopts metal gear, which greatly improves the service life of the driver

Low power consumption, high output torque and low noise

It is convenient to install on site.

The valve body has threaded connection and flange connection, which is easy to install and its structure conforms to IEC international standard

The valve body can be made of cast copper, cast iron, cast steel and stainless steel to meet the requirements of different working medium and temperature

There are two-way valve (single seat), two-way balance valve (balanced type), three-way combined flow and three-way shunt valve

三、进口比例积分电动调节阀工作原理：

电动比例调节阀在控制形式上是通过阀门开启角度大小来实现控制开度和截面面积。控制过程是在电机转动过程中，不断以线性电阻值反馈给控制单元，控制单元根据测量值和电动调节阀的反馈电阻值进行比对和判断，发出控制信号到达目标位置即刻停止动作的原理。

Electric proportional control valve in the control form is through the valve opening angle to control the opening and cross-sectional area. The control process is that in the process of motor rotation, the linear resistance value is continuously fed back to the control unit. The control unit compares and judges the measured value with the feedback resistance value of the electric control valve, and sends out the control signal to stop the action immediately when it reaches the target position.

四、进口比例积分电动调节阀技术参数： 

Nominal pressure: 1.6Mpa 2.5MPa 4.0Mpa

Travel range: 40mm

Flow characteristics are equal linear or equal percentage

Medium: cold / hot water, steam, glycol, etc

Valve diameter: dn25-dn450

Medium temperature: 0-120 ℃, 0-170 ℃, 0-380 ℃

Valve body material: cast steel or cast iron

Stem material: 1cr18n19 (aisi302) Ф 9 stainless steel

Stem seal PTFE retaining ring + NBR

Leakage less than 0.03% of Kv value

Working temperature - 10 ℃ - 70 ℃, 0% - 95% RH, no condensation

Storage temperature - 20 ℃ - 85 ℃