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Danfoss Sight Glass & Moisture Indicator
Professional refrigeration sight glass solutions designed for quick visual monitoring of refrigerant condition and moisture level in refrigeration, cold room, chiller and HVAC systems.
Why Choose Danfoss Sight Glass?
The Danfoss Sight Glass provides refrigeration technicians with a simple and effective way to inspect refrigerant condition and, on applicable models, monitor moisture inside the refrigeration system.
Installed in the liquid line, the sight glass provides valuable visual information during system operation and maintenance. With Danfoss engineering, durable construction and a wide selection of connection sizes, it is an excellent choice for professional commercial refrigeration and HVACR applications.
Clear Monitoring
Convenient viewing window allows quick visual inspection of refrigerant condition.
Moisture Indication
Applicable models provide easy visual indication of moisture condition inside the refrigeration system.
Reliable Protection
Helps technicians identify abnormal moisture or refrigerant conditions during inspection.
Flexible Selection
Available in flare, solder, threaded and special installation configurations.
💧 Easy Moisture Condition Monitoring
DRY / NORMAL
Indicates an acceptable moisture condition according to the applicable indicator calibration.
WET / CHECK SYSTEM
A change toward yellow indicates increased moisture and the refrigeration system should be inspected.
Choose Your Danfoss Sight Glass Series
SGN
Popular Danfoss sight glass family for general refrigeration applications.
Up to 35 barSGI
I-type moisture indicator solution for applicable traditional refrigeration systems.
Specialised SelectionSGP
Higher-pressure sight glass family suitable for a broader range of modern refrigeration applications.
Up to 52 barSGRN / SGS
Threaded and saddle-type configurations for specialised refrigeration installations.
Flexible Installation⚡ SGN vs SGP – What's the Difference?
SGN Series
Standard Refrigeration Choice
Ideal for general commercial refrigeration and HVACR applications where standard pressure capability is suitable.
SGP Series
Higher-Pressure Choice
Designed for higher-pressure refrigeration systems and a broader selection of modern refrigerant applications.
❄️ Ideal Applications
🔧 Typical Liquid Line Installation
💎 Small Component. Valuable System Information.
Danfoss Sight Glass combines easy system inspection, reliable moisture monitoring and proven refrigeration engineering in one compact component — providing excellent long-term value for professional refrigeration installations and maintenance.
Inquiry - Danfoss Sight Glass
