代理經銷:美國Stonel公司閥位回訊器,限位開關,閥位信號反饋裝置
STONEL 閥位回訊器分為6個系列，

一體型的Eclipsc適用於ISO標準的Namur執行器；獨立的可視顯示器（Visual Indicator）在75英呎的範圍內可清楚的觀察閥門位置
的狀態；環氧樹脂塗層鍍鋁的Quartz是防爆/防火環境的最理想選擇；防腐和防水的SolaR是在過程應用中滿足一般用途的最理想的產
品；完全氣動型的Onxy是防腐蝕性和/或阻燃環境的理想選擇；完全密封的316不鏽鋼殼體和熱塑聚碳酸酯檢測探頭的一體式Hawkeye
適用於陰燃燃環境。
針對石化領域，StoneL推出了FF總線的閥位指示器，這種閥位指示器可選購配套的低功耗防爆電磁閥。電磁閥的電流消耗為2mA@7.5V
,低電壓低電流啟動,防爆等級為Eexia llC T6。這樣就極大地提高了總線上可帶閥位指示器的數量。一根總線最多可帶16個閥位指示
器，節省了布線

分別為Eclipsc,Visual Indicator,Quartz,SolaR,Onxy,Hawkeye
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