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Sight Glass
Sight glass, also known as a level gauge or sight tube, is a device used to observe the level of a liquid or gas in a container without opening the container. Installed between the condenser and the flow restrictor to observe the condition of the refrigerant, the sight glasses used in the ducts measure the level of refrigerant or lubricant flowing within the HVAC or refrigeration system, as well as the amount of liquid contained in the refrigerant at any given moment. By looking at the flow in the sight glass, the technician can tell if the refrigerant is circulating properly in the system, whether there is a blockage or other problems such as running low on the refrigerant, and it can help the technician quickly identify and solve the problem.
The sight glass is installed in the liquid line of the refrigerant to observe the flow of the refrigerant and the gas-liquid phase transition, and to detect the water vapor content in the refrigerant. Installed on the return line to check the flow of lubricating oil from the oil separator. It is usually installed on the high-pressure liquid pipe from the back of the condenser to the front of the expansion valve, and is generally installed at the back end of the filter dried, which not only observes the flow of refrigerant in the pipeline, but also detects the working condition of the filter dried, including whether the water vapor content after drying meets the requirements, and whether the filter drier is blocked after running for a period of time. (We can also customize a professional filter drier for you).
The sight glass pressure rating is designed to withstand a certain amount of pressure, which determines the size and type of accessories required. The material of the sight glass is corrosion-resistant, high-pressure resistant, highly transparent and abrasion-resistant. It can also indicate the oil level in the compressor crankcase and assist the user in monitoring the condition of the system so that in case of any problems, the user can take quick action to repair the machine.
The sight glass is made of high-strength corrosion-resistant materials, which has safety performance and can be used for a long time in corrosive environments under high pressure. Sight glasses provide a clear view of the flow of liquids in the refrigeration system; The sight glasses have undergone strict quality control and testing to be able to be used stably for a long time.
All in all, all our water gauges are made from modified PTFE sealing materials and an anti-explosion crimping structure which make the gauge highly reliable for observing the condition of refrigeration or HVAC systems. We offer several types of this fluid level gauge, such as the sight glass with flare and soldered sight glass.
We offer many types of sight glass, and you can choose the right sight glass according to your needs. Welcome to inquire!
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Main Product:
Copper fittings,
Copper filter drier,
Brass fittings,
access valve,
Branch pipe ,
Service valve
