Sight Glass SG-series sight glass(moisture indicator) is a kind of element which shows the moisture and the flow of refrigerant. Descriptions &©|9734; The content of refrigerant in the line of the system; &©|9734; The content of water in the refrigerant; &©|9734; Indicates the oil level of compressor crooked. &©|9734; SG-series have indicator paper whose color changes can indicate the content of water in the refrigerant; &©|9734; The glasses and the “O?ring can make sure there is no leak of the refrigerant; &©|9734; Max. Working Pressure: 35bar (500psig); &©|9734; The temperature of the medium: -50&©|8451; &©|65374; +110&©|8451;; &©|9734; The content of water is low, the color will change blue while high it will change pink which shows that filter dryer in the system needs to be changed.
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