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產品描述
應用范圍：
它廣泛應用于航天、船舶重工、化工、鍋爐、采暖設備、干燥設備、食品醫療設備、清洗設備、等加溫管道系統中。
產品特點：
閥芯均為不銹鋼材料、活塞式結構，活塞環用特殊耐溫、耐磨材料制作；活塞與金屬閥腔不產生直接摩擦，閥體安裝方向無限制；特制線圈，不易燒毀；長時間停止動作重新啟動，動作同樣靈敏。
主要技術參數：
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產品規格：
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DN0.5～DN500
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閥體材質：
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不銹鋼
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適用介質：
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氣、油、蒸汽、腐蝕流體等
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溫度范圍：
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0～+250℃
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防護性能：
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防潮、防爆（Exd IICT5)、防腐
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接線方式：
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接線座式；引線式、插頭式
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控制方式：
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常開、常閉
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電源電壓：
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DC24～127V; AC36～380V
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連接方式：
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內螺紋、法蘭（外螺紋和特殊接口可定做或加轉接頭）
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工作原理：
常閉：當線圈通電時，先導閥芯吸合，先導孔打開，閥上腔卸壓，活塞靠下腔介質壓力推動，電磁閥打開；當線圈斷電時，先導閥芯靠彈簧復位，先導孔關閉，閥上腔由活塞節流孔增壓和復位彈簧的推力，電磁閥關閉。
常開：當線圈通電時，先導孔關閉，閥上腔由活塞節流孔增壓和復位彈簧的推力，電磁閥關閉。當線圈斷電時，先導閥芯靠彈簧復位，先導孔打開，閥上腔卸壓，活塞靠下腔介質壓力推動，電磁閥打開。
規格尺寸：
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產品代碼
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GN816
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公稱通徑
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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《LIZCD系列直動式電磁閥》、《ZC系列中低壓電磁閥》中的接口尺寸（或定制）
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閥體體質
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不銹鋼、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：出口端壓力大于進口端壓力，介質會反向導通?？砂惭b止回閥或訂制自帶止回功能的閥。
Applications:
It is widely used in aerospace, shipbuilding Heavy Industry, chemical industry, boiler, heating equipment, drying equipment, food and medical equipment, cleaning equipment, such as heating pipe system.
Features:
Are all stainless steel valve, piston structure, 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, not easy to burn; a long time to stop action Restart the action as sensitive.
Main technical parameters:
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Specifications:
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DN0.5 ~ DN500
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Body material:
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Stainless Steel
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Medium:
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Gas, oil, steam, corrosive fluids
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Temperature range:
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0 ~ +250 ℃
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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 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, the valve chamber and pressurized by the piston return spring throttle 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, medium pressure piston push the lower chamber, the electromagnetic valve is opened.
Size:
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Product Code
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DM816
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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 valve function of the valve.
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