Sight Glass SG
SG-series sight glass(moisture indicator) is a kind of element which shows the moisture and the flow of refrigerant.
☆ The content of refrigerant in the line of the system;
☆ The content of water in the refrigerant;
☆ Indicates the oil level of compressor crooked.
☆ SG-series have indicator paper whose color changes can indicate the content of water in the refrigerant;
☆ The glasses and the “O” ring can make sure there is no leak of the refrigerant;
☆ Max. Working Pressure: 35bar (500psig);
☆ The temperature of the medium: -50℃ ～ +110℃;
☆ 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.