Sight Glass

Features & Applications

The sight glass is an optical monitoring component used in refrigeration systems to observe the condition of liquid refrigerant flow and detect moisture levels within the system. It is used for system diagnostics, allowing quick assessment of operating conditions and early detection of potential issues before maintenance or intervention.

Main Features

Transparent viewing window enables visual inspection of refrigerant flow and bubble condition in the liquid line
Moisture indicator provides visual color change according to moisture content in the system
Brass or stainless steel body construction for durability and corrosion resistance
High-pressure and temperature-resistant glass element
Available with screw, solder, or flanged connection options
Compact design requiring minimal installation space
Compatible with common refrigerants such as R22, R134a, R404A, and R410A

Application Areas

Commercial and industrial refrigeration systems
Cold rooms, chillers, and display coolers
Air conditioning systems and heat pumps
Condenser outlet and liquid line monitoring points
Ideal for installation after filter driers for flow and moisture inspection

Sight Glass

Sight Glass

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