产品描述
应用范围：
它广泛应用于船舶重工、测试设备、加热设备、液压设备等，工作温度在300℃以上的导热系统中。
它广泛应用于船舶重工、测试设备、加热设备、液压设备等，工作温度在300℃以上的导热系统中。
产品特点：
阀芯均为不锈活塞式，活塞环用特殊耐温、耐磨材料制作；活塞与金属阀腔不产生直接摩擦，阀体安装方向无限制；特制线圈，并采用散热的结构方式，因此不易烧毁；长时间停止动作重新启动，动作同样灵敏；最低启动压力0.2MPa。
阀芯均为不锈活塞式，活塞环用特殊耐温、耐磨材料制作；活塞与金属阀腔不产生直接摩擦，阀体安装方向无限制；特制线圈，并采用散热的结构方式，因此不易烧毁；长时间停止动作重新启动，动作同样灵敏；最低启动压力0.2MPa。
主要技术参数：
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产品规格：
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DN0.5～DN200
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阀体材质：
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不锈钢
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适用介质：
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油、蒸汽、腐蚀流体等
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温度范围：
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+300～+450℃
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防护性能：
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防潮、防爆（Exd IICT5)、防腐
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接线方式：
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接线座式；引线式；插头式
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控制方式：
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常开、常闭
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电源电压：
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DC24～127V; AC36～380V
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连接方式：
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内螺纹、法兰（外螺纹和特殊接口可定做或加转接头）
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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，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。
常闭：当线圈通电时，先导阀芯吸合，先导孔打开，阀上卸压，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，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：
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产品代码
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GN815
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公称通径
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选用《ZCD系列直动式电磁阀》、《ZC系列中低压电磁阀》中的标准口径
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适用压力
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选用《ZCD系列直动式电磁阀》、《ZC系列中低压电磁阀》中的压力范围
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连接尺寸
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选用《ZCD系列直动式电磁阀》、《ZC系列中低压电磁阀》中的接口尺寸（或定制）
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阀体体质
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不锈钢、304或316
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特殊功能
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（其它功能可定制）
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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:
It is widely used in shipbuilding Heavy Industry, test equipment, heating equipment, hydraulic equipment, the working temperature above 300 ℃ thermal systems.
It is widely used in shipbuilding Heavy Industry, test equipment, heating equipment, hydraulic equipment, the working temperature above 300 ℃ thermal systems.
Features:
Are stainless steel piston valve, piston ring with a special temperature, wear-resistant material; piston valve chamber with the metal does not have a direct friction, the valve mounting direction unlimited; special coil structure and way of using heat, it is not easy burned; long time to restart the stopped action, action as sensitive; minimum starting pressure 0.2MPa.
Are stainless steel piston valve, piston ring with a special temperature, wear-resistant material; piston valve chamber with the metal does not have a direct friction, the valve mounting direction unlimited; special coil structure and way of using heat, it is not easy burned; long time to restart the stopped action, action as sensitive; minimum starting pressure 0.2MPa.
Main technical parameters:
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Specifications:
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DN0.5～DN200
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Body material:
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Stainless Steel
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Medium:
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Oil, steam, corrosive fluids
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Temperature range:
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+300 ~ +450 ℃
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Protection performance:
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Moisture-proof, explosion-proof (Exd IICT5), anti-corrosion
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Wiring:
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Terminal Block Type; lead type; male
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Control:
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Normally open, normally closed
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Power supply voltage:
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DC24 ~ 127V; AC36 ~ 380V
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Connection:
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Thread, flange (male and special interfaces or add custom adapter)
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How it works:
NC: When the coil is energized, the pilot spool pull the pilot hole to open, pressure relief valve, piston push media pressure on the lower chamber, the electromagnetic valve is opened; When the coil power, the pilot valve by the spring return, pilot hole Close the valve on the throttle chamber pressurized by the piston return spring and thrust, the valve 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, medium pressure piston push the lower chamber, the electromagnetic valve is opened.
NC: When the coil is energized, the pilot spool pull the pilot hole to open, pressure relief valve, piston push media pressure on the lower chamber, the electromagnetic valve is opened; When the coil power, the pilot valve by the spring return, pilot hole Close the valve on the throttle chamber pressurized by the piston return spring and thrust, the valve 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, medium pressure piston push the lower chamber, the electromagnetic valve is opened.
Size:
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Product Code
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DM815
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DN
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Use "ZCD Series direct-acting solenoid valve", "ZC series of low pressure solenoid valve" in the standard diameter
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Apply pressure
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Use "ZCD Series direct-acting solenoid valve", "ZC series of low pressure solenoid valve" in the pressure range
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Connection size
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Use "ZCD Series direct-acting solenoid valve", "ZC series of low pressure solenoid valve" in the interface dimensions (or customized)
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Body Constitution
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Stainless steel, 304 or 316
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Special Features
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(Other functions can be customized)
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Note: The outlet pressure is greater than the inlet pressure, the media will pass anti-wizard. Can be installed or custom built non-return
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