进口常闭电磁阀-德国威乐品牌
广泛应用在航天、船舶重工、石油化工、给排水、消防设备、食品医疗设备、清洗设备、景观喷灌、加湿设备、液压设备、测试设备、水厂等,工作压力在6.4---100MPa的管道系统中。
产品特点：
阀芯均为不锈钢活塞式，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，阀体安装向无限制；制线圈，不易烧毁；长时间停止动作重新启动，动作同样灵敏；zui低启动工作压力0.5MPa。
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 |
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。
规格尺寸：
| 产品代码 | HM810 | ||||
| 公称通径 | DN3 | DN4 | DN5 | DN6 | DN8 |
| 适用压力 | 0.5～70MPa | ||||
| 接口螺纹 | G1/4 | G3/8 | |||
| 阀体材质 | 不锈钢、304、316等 | ||||
| 特殊功能 | 可定制带手动、带止回功能 | ||||
注：出口端压力大于进口端压力，介质会反向导通。可安装止回阀或订制自带止回功能的阀。
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.
Size:
| Product Code | DM808 | ||||
| DN | DN3 | DN4 | DN5 | DN6 | DN8 |
| Apply pressure | 1 ~ 200 MPa | ||||
| Interface Thread | G1 / 4 | G3 / 8 | |||
| Body material | 304 stainless steel (316), etc. | ||||
| Special Features | Can be customized with a manual, with a return function) | ||||
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.
