NSE series liquid sight glassesDetailed product description：

The NSE type sight glass is installed in the pipelines of refrigeration and air conditioning equipment to display the moisture content of the refrigerant in the system and the flow of refrigerant or lubricating oil inside the pipes. It can also be used to indicate the oil level in the compressor crankcase, so as to observe and judge the operation status of the system at any time, and take timely measures to ensure the safe and normal operation of the equipment.