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进口常闭电磁阀

产品名称弛辣:进口常闭电磁阀
产品品牌浮李汉:美国米勒
产品型号梆:MILLER


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进口常闭电磁阀

美国米勒(MILLER)品牌进口常闭电磁阀当线圈通电时课毁,先导阀芯吸合乏凸塑,先导孔打开禄,阀上腔卸压煌捕,活塞靠下腔介质压力推动瞬阂,电磁阀打开;当线圈断电时娟镣膊,先导阀芯靠弹簧复位期蒜涣,先导孔关闭姑挖,阀上腔由活塞节流孔增压和复位弹簧的推力祷奢词,电磁阀关闭哗绩规。广泛应用在航天染蔷、船舶重工怒拖、石油化工垂砷、给排水蜕湾啡、消防设备舍度、食品医疗设备晌咐际、清洗设备磕昧、景观喷灌喘馆、加湿设备辩玻、液压设备侨、测试设备冻镣、水厂等,工作压力在0100MPa的管道系统中档。

产品特点蹈随棋:
阀芯均为不锈钢活塞式绦加斡,活塞环不会被介质中的杂质卡死哼鲍此,动密封性能高,寿命长;活塞与金属阀腔不产生直接摩擦悄,阀体安装向无限制;专制线圈菇非蔫,不易烧毁;长时间停止动作重新启动凭枯,动作同样灵敏;最低启动工作压力0.5MPa擂竿。

主要技术参数剁涕:

产品规格拆赔胶:

DN0.5DN200

阀体材质临:

不锈钢

适用介质郡讨何:

水劣酥、气品僵、油铰、蒸汽华、燃气省纯、腐蚀流体等

温度范围奶羡:

-100+200

介质粘度菱羌淑:

小于50C St(大于时需定制)

防护性能柔:

防水起、防爆(Exd IICT5)请、防腐

接线方式降摄深:

接线座式;引线式;插头式

控制方式竭鸥:

常开说充、常闭

电源电压柏答:

DC12127V; AC36380V

连接方式吩:

内螺纹突冗、法兰(外螺纹和特殊接口可定做或加转接头)

量空室随:

工作原理缉:
常闭露卞寒:当线圈通电时虏恳,先导阀芯吸合什凳,先导孔打开坤沥炒,阀上腔卸压判,活塞靠下腔介质压力推动嫡,电磁阀打开;当线圈断电时瓤厕膳,先导阀芯靠弹簧复位帅愁,先导孔关闭良,阀腔由活塞节流孔增压和复位弹簧的推力磐,电磁阀关闭僵氢渐。
常开量:当线圈通电时巷,先导孔关闭卑,阀上腔由活塞节流孔增压和复位弹簧的推力碉桅茹,电磁阀关闭拘东咯。当线圈断电时劣咸,先导阀芯靠弹簧复位袱蜗纤,先导孔打开违磺,阀上腔卸压涉氏市,活塞靠下腔介质压力推动驾文祷,电磁阀打开靶雾。

注犀肋堤:出口端压力大于进口端压力烹亢,介质会反向导通垄。可安装止回阀或订制自带止回功能的阀挤。

Applications: 
Widely used in aerospace, shipbuilding Heavy Industry, petrochemical, water, fire fighting equipment, food and medical equipment, cleaning equipment, landscape irrigation, humidification equipment, hydraulic equipment, testing equipment, water plant, the work pressure in the pipeline 6.4 --- 100MPa system.

Features: 
Spool is stainless steel piston and piston rings will not be stuck impurities in the medium, dynamic sealing performance and long life; piston valve chamber with the metal does not produce direct friction, the valve installed to the limit; authoritarian coil, easily burned ; for a long time to restart the stopped action, action as sensitive; minimum start working pressure 0.5MPa.

Main technical parameters:

Specifications:

DN0.5 ~ DN200

Body material:

Stainless Steel

Medium:

Water, gas, oil, steam, gas, corrosive fluids

Temperature range:

-100 ~ +200

Media Viscosity:

Less than 50C St (greater than the time to be customized)

Protection performance:

Waterproof, explosion-proof (Exd IICT5), anti-corrosion

Wiring:

Terminal Block Type; lead type; male

Control:

Normally open, normally closed

Power supply voltage:

DC12 ~ 127V; AC36 ~ 380V

Connection:

Thread, flange (male and special interfaces or add custom adapter)

Leakage:

Zero

How it works: 
NC: When the coil is energized, the pilot spool pull the pilot hole to open, pressure relief valve on the chamber, the piston on the lower chamber medium pressure to promote, the electromagnetic valve is opened; When the coil power, the pilot valve by the spring return, pilot hole closed throttle valve chamber pressurized by the piston return spring and thrust, the electromagnetic valve is closed. 
Normally Open: When the coil is energized, the pilot hole closed, the valve chamber and pressurized by the piston return spring throttle thrust, the electromagnetic valve is closed. When the coil power, the pilot valve by the spring return, pilot hole open, pressure relief valve on the chamber, the piston on the lower chamber medium pressure to promote the solenoid valve open.

Note: The outlet pressure is greater than the inlet pressure, the media will pass anti-wizard. Can be installed or custom built non-return valve function of the valve.

电磁阀控制方式选择俱谦:

常闭型电磁阀指线圈断电时汲,电磁阀关闭;线圈通电时赔,电磁阀打开守冒。

常开型电磁阀指线圈断电时靛抡测,深圳名阀电磁阀打开;线圈通电时沁蔑崇,电磁阀关闭肪。

我们可以根据持续工作时间长短来选择沏:常闭价、常开枪委粮、或可持续通电

1锣诵、当电磁阀需要长时间关闭陪,并且关闭的时间多于开启的时间应选用常闭型钵对。

2吠糯、当电磁阀需要长时间开启阔辅光,并且开启的时间多于关闭的时间应选用常开型免科。

3免看酣、需要长时间开启的同时又要长时间关闭时膝,要选自保持式电磁阀氮,也叫常开常闭型电磁阀宫如。

4涪蔫卞、但是有些用于安全保护的工况江态,如炉厂点锌、窑火焰监测巷,则不能选常开的躲曹,应选可长期通电型昧晾。

5从饰碘、用于燃气警报系统等痢,要选用常开型的燃气紧急切断电磁阀仑皋凹,带手动开启点耐粉。

【订货须知】

一谰畦炮、请向我们提供您的使用参数:1.公称通径2辉卫、公称压力3亲评附、流体性质(包括温度觅嘿、介质) 4.材质 5.连接方式 6电源.电压7蒋膳哨、控制方式(常开式考、常闭式糕潮、自保持式).8煽、防护形式(防爆型环散、防水型纱茅、防尘型伦、防潮型弘嘉桐、防腐型肉磨、普通型)

二立房、当使用的工况比较重要或管路比较复杂时厘衅陇,请您尽量提供设计图纸和详细参数堵姓,由我们专家为您审核把关石。

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