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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.
主要技术参数：
|
产品规格： |
DN0.5～DN200 |
|
阀体材质： |
不锈钢 |
|
适用介质： |
水、气、油、蒸汽、燃气、腐蚀流体等 |
|
温度范围： |
-100～+200℃ |
|
介质粘度： |
小于50C St(大于时需定制） |
|
防护性能： |
防水、防爆（Exd IICT5)、防腐 |
|
接线方式： |
接线座式；引线式；插头式 |
|
控制方式： |
常开、常闭 |
|
电源电压： |
DC12～127V; AC36～380V |
|
连接方式： |
内螺纹、法兰（外螺纹和特殊接口可定做或加转接头） |
|
泄 漏 量： |
零 |
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 |
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。
