應用范圍：
它廣泛應用于工業爐窯、鍋爐、燃氣管網、燃氣處理廠、加氣站、燃氣泄漏報警系統、安全保護系統、消防報警系統等城市或工廠易燃易爆介質切斷；當發現事故隱患時快速切斷，及時制止惡性事故發生。
產品特點：
不銹鋼閥芯，在長時間不動作情況下啟動閥門，動作迅速，快速切斷；線圈長時間通電，發熱量低，不會燒毀，功耗底，節能；零壓啟動，零泄漏。
主要技術參數：
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產品規格：
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DN15--DN200
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閥體材質：
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鑄鋼體、不銹鋼（鑄鋼體不能用在腐蝕流體上）
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適用介質：
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煤氣、天然氣、液化氣、沼氣、甲烷、瓦斯等氣體或燃油
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溫度范圍：
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-20～+100℃
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防護性能：
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防水、防爆（Exd IICT5)
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接線方式：
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引線式；接線座式；插頭式
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電源電壓：
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DC12～127V; AC36～380V
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連接方式：
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管接，法蘭
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工作原理：
同先導式閥原理。
規格尺寸：
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產品代碼
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GN820
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公稱通徑
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選用《TF系列直動式電磁閥》、《ZC系列中低壓電磁閥》中的標準口徑
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適用壓力
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選用《ZCD系列直動式電磁閥》、《ZC系列中低壓電磁閥》中的壓力范圍
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連接尺寸
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選用《ZCD系列直動式電磁閥》、《ZC系列中低壓電磁閥》中的接口尺寸
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閥體體質
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鑄鐵、鑄鋼、不銹鋼
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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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