The KAK refrigeration sight glass is designed to provide accurate refrigerant flow visibility and moisture detection in air conditioning and refrigeration systems. Manufactured from durable brass with a clear viewing window and a sensitive color-changing indicator, it helps technicians quickly determine system conditions and avoid damage caused by excess moisture or improper charging.
Available in both ODF (copper tube) and SAE threaded flare connections, the sight glass is suitable for new installations and easy replacement during servicing.
Key Features
• Brass body with corrosion resistance and long service life
• Built-in moisture indicator (color change for dryness/wetness detection)
• High transparency glass window for clear refrigerant observation
• Options: ODF solder connection or SAE flare threaded connection
• Compatible with CFC, HCFC, HFC, and blended refrigerants (R22, R134a, R410A, R404A, R507A, R32, R290, etc.)
• Wide application: commercial and residential HVAC, refrigeration equipment, cold storage, and heat pumps
• Customizable sizes, labeling, and packaging (OEM/ODM available)
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📏 Regular Sizes
Custom dimensions available upon request.
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FAQ
A1: A sight glass provides visual monitoring of refrigerant flow and indicates moisture content through a built-in color-changing indicator.
A2: They are compatible with R22, R134a, R410A, R407C, R404A, R507A, R32, R290, and other commonly used refrigerants.
A3: KAK sight glasses are available in ODF copper tube (solder connection) and SAE flare threaded connections.
A4: Yes, OEM/ODM customization is available for tube size, packaging, labeling, and special applications.
A5: They are widely used in HVAC air conditioners, refrigeration systems, cold storage units, and heat pump systems.
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