进口带止回电磁阀 德国洛克带止回电磁阀

一、进口带止回电磁阀产品概述：

德国《LOCKE》洛克--进口带止回电磁阀是安装在管道中，防止介质反向压力比正向压力大的情况下，介质不会回流的环境中。电磁阀本身是具有工作方向的，当出口压力比进口压力大的时候，介质就会回流，而该带止回功能电磁阀是在电磁阀内部集成了一个止回装置，当出口压力大于进口的时候，介质也不回倒流。

1、 Introduction of imported solenoid valve with check valve:

German "Locke" - the imported solenoid valve with check is installed in the pipeline to prevent the medium from backflow when the reverse pressure is greater than the forward pressure. The solenoid valve itself has working direction. When the outlet pressure is greater than the inlet pressure, the medium will return. The solenoid valve with check function integrates a check device inside the solenoid valve. When the outlet pressure is greater than the inlet pressure, the medium will not return.

二、进口带止回电磁阀技术参数：

原理结构：先导活塞式

公称通径：DN1～1000mm

环境温度：-10～+50℃ -40～+80℃

线圈温度：<+50℃、<+85℃

控制方式：常闭、常开、自保持

公称压力：0～6.4Mpa

阀体材质：铸钢、不锈钢304、316

适用介质：气、水、油、蒸汽、燃气、腐蚀性流体

介质温度：-200～+300℃

介质粘度：小于50CSt （大于50时需定制）

防护性能：防水、防尘、防爆（Exd IICT5）、防腐

阀芯材质：均为不锈钢

接线方式：接线座式、引线式、插头式

电源电压：DC12、DC24V、DC36V、DC110V、DC127V、DC220V、DC380V；

                AC24V、AC36、AC110V、AC127V、AC220V、AC380V

连接方式：法兰、内螺纹、外螺纹、卡套、焊接

泄  漏  量：零泄漏

备       注：特殊型可定制

2、 Technical parameters of imported solenoid valve with check valve:

Principle and structure: pilot piston type

Nominal diameter: DN 1 ～ 1000mm

Ambient temperature: - 10 ～ + 50 ℃ - 40 ～ + 80 ℃

Coil temperature: < + 50 ℃ and < + 85 ℃

Control mode: normally closed, normally open, self holding

Nominal pressure: 0 ～ 6.4Mpa

Valve body material: cast steel, stainless steel 304, 316

Applicable media: gas, water, oil, steam, gas, corrosive fluid

Medium temperature: - 200 ～ + 300 ℃

Medium viscosity: less than 50cst (customized when more than 50)

Protection performance: waterproof, dustproof, explosion-proof (Exd iict5), anti-corrosion

Valve core material: stainless steel

Wiring mode: wiring base type, lead type, plug type

Power supply voltage: DC12, DC24 V, dc36 V, dc110 V, dc127 V, DC220 V, dc380 V;

AC24V、AC36、AC110V、AC127V、AC220V、AC380V

Connection mode: flange, internal thread, external thread, ferrule, welding

Leakage: zero leakage

Note: special type can be customized

三、进口带止回电磁阀工作原理：

常闭：当线圈通电时，先导阀芯吸合，先导孔打开，阀上腔卸压，活塞靠下腔介质压力推动，电磁阀打开。

          当线圈断电时，先导阀芯靠弹簧复位，先导孔关闭，阀上腔由活塞节流孔增压和复位弹簧的推力，电磁阀关闭。

常开：当线圈通电时，先导阀芯靠弹簧复位，先导孔关闭，阀上腔由活塞节流孔增压和复位弹簧的推力，电磁阀关闭。

          当线圈断电时，先导阀芯靠弹簧复位，先导孔打开，阀上腔卸压，活塞靠下腔介质压力推动，电磁阀打开。

止回功能：当出口端得压力大于进口端，介质不会反向导通。

3、 Working principle of inlet solenoid valve with check valve:

Normally closed: when the coil is energized, the pilot valve core is closed, the pilot hole is opened, the pressure in the upper chamber of the valve is relieved, the piston is pushed by the medium pressure in the lower chamber, and the solenoid valve is opened.

When the coil is powered off, the pilot valve core is reset by the spring, the pilot hole is closed, the upper chamber of the valve is pressurized by the piston orifice and the thrust of the reset spring, and the solenoid valve is closed.

Normally open: when the coil is energized, the pilot valve core is reset by the spring, the pilot hole is closed, the upper chamber of the valve is pressurized by the piston orifice and the thrust of the reset spring, and the solenoid valve is closed.

When the coil is powered off, the pilot valve core is reset by the spring, the pilot hole is opened, the pressure in the upper chamber of the valve is relieved, the piston is pushed by the medium pressure in the lower chamber, and the solenoid valve is opened.

Check function: when the pressure at the outlet is greater than that at the inlet, the medium will not conduct in the reverse direction.

四、进口带止回电磁阀性能特点：

先导式结构，阀芯均为不锈钢活塞，活塞环不会被介质中的杂质卡死，动密封性能高,寿命长;活塞与金属阀腔不产生直接摩擦，阀体安装方向无限制;专制线圈，不易烧毁;长时间停止动作重新启动，动作同样灵敏;泄漏量零;使用寿命长达100万次以上。

4、 Performance characteristics of imported solenoid valve with check valve:

The valve core is stainless steel piston, the piston ring will not be stuck by impurities in the medium, the dynamic sealing performance is high, and the service life is long; There is no direct friction between piston and metal valve chamber, and the installation direction of valve body is unlimited; Autocratic coil, not easy to burn; After a long time of stopping and restarting, the action is equally sensitive; The leakage is zero; Its service life is more than 1 million times.

IMPORT WITH CHECK SOLENOID valve product overview: Roch-import with check solenoid valve is installed in the pipeline, to prevent the medium reverse pressure than positive pressure, the medium will not return to the environment. The solenoid valve itself has a working direction. When the outlet pressure is higher than the inlet pressure, the medium will flow back, and the solenoid valve with check function is integrated with a check device inside the solenoid valve, when the outlet pressure is greater than the inlet, the medium does not reverse flow. 2. Imported non-return solenoid valve technical parameters: principle structure: PILOT PISTON NOMINAL DIAMETER: DN1 ~ 1000MM AMBIENT TEMPERATURE:-10 ~ + 50 °c-40 ~ + 80 °C Coil Temperature: & Lt; + 50 °C, & Lt; Sentence is too long, please supply a shorter sentence AC24V, AC36, AC110V, AC127V, AC220V, AC380V connection: Flange, internal thread, external thread, clamp, welding leakage: Zero Leakage Note: special type can be customized three, import with check solenoid valve working principle: normally closed: when the coil is energized, pilot Spool Suction, pilot hole open, relief pressure on the Valve Chamber, Piston Chamber media pressure driven, solenoid valve open. When the coil is cut off, the pilot valve core is reset by the spring, the pilot hole is closed, the upper chamber of the valve is pressurized by the Piston throttle hole and the thrust of the reset spring, and the solenoid valve is closed. Normally Open: When the coil is energized, the pilot spool is reset by the spring, the pilot hole is closed, the upper chamber of the valve is pressurized by the piston throttle hole and the thrust of the reset spring, and the solenoid valve is closed. When the coil is cut off, the pilot Spool is reset by spring, the pilot hole is opened, the upper chamber of the valve is unloaded, the Piston is driven by the lower chamber medium pressure, and the solenoid valve is opened. CHECK FUNCTION: When the pressure at the outlet is higher than that at the inlet, the medium will not be conducted in the opposite direction. 4. IMPORTED NON-RETURN SOLENOID VALVE FEATURES: pilot structure, Spool are stainless steel piston, Piston ring will not be stuck by impurities in the medium, high dynamic sealing performance, Long Life; Piston and Metal Valve cavity do not produce direct friction, the Valve Body installs the direction not to limit; the despotic Coil, not easy to burn down; the long time stops the movement to restart, the movement is equally sensitive; the leakage quantity is zero; the service life reaches more than 10000 times.

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