应用范围：
它广泛应用于工业炉窑、锅炉、燃气管网、燃气处理厂、加气站、燃气泄漏报警系统、安全保护系统、消防报警系统等城市或工厂易燃易爆介质切断；当发现事故隐患时快速切断，及时制止恶性事故发生。
产品特点：
不锈钢阀芯，在长时间不动作情况下启动阀门，动作迅速，快速切断；线圈长时间通电，发热量低，不会烧毁，功耗底，节能；零压启动，零泄漏。
主要技术参数：
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产品规格：
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DN15--DN200
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阀体材质：
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铸钢体、不锈钢（铸钢体不能用在腐蚀流体上）
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适用介质：
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煤气、天然气、液化气、沼气、甲烷、瓦斯等气体或燃油
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温度范围：
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-20～+100℃
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防护性能：
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防水、防爆（Exd IICT5)
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接线方式：
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引线式；接线座式；插头式
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电源电压：
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DC12～127V; AC36～380V
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连接方式：
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管接，法兰
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工作原理：
同先导式阀原理。
规格尺寸：
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产品代码
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GN820
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公称通径
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选用《TF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
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阀体体质
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铸铁、铸钢、不锈钢
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特殊功能
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（其它功能可定制）
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Applications:
It is widely used in industrial furnaces, boilers, gas pipelines, gas treatment plants, filling stations, gas leak alarm systems, security systems, fire alarm systems, explosive media, cut off the city or the factory; when that potential accidents Quick cut, time to stop fatal accidents.
Features:
Stainless steel spool, the situation does not move in a long time to start valves, quick action, quick cut; coil for a long time power, low heat, not burning, power bottom, energy saving; zero pressure starts, zero leakage.
Main technical parameters:
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Specifications:
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DN15 - DN200
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Body material:
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Steel body, stainless steel (steel body can not be used in corrosive fluid on)
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Medium:
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Gas, natural gas, liquefied petroleum gas, biogas, methane, gas and other gas or fuel oil
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Temperature range:
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-20 ~ +100 ℃
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Protection performance:
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Waterproof, explosion-proof (Exd IICT5)
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Wiring:
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Lead type; Terminal Block type; male
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Power supply voltage:
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DC12 ~ 127V; AC36 ~ 380V
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Connection:
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Pipe connection, flange
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How it works:
With the pilot valve principle.
Size:
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Product Code
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DM820
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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
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Body Constitution
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Cast iron, cast steel, stainless steel
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Special Features
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(Other functions can be customized)
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