
A Sanitary Glass Window is a sealed optical device installed in sanitary piping systems. Made with hygienic materials and smooth finishes, these windows allow visual monitoring of liquids or gases in sterile processes.
In industrial processing systems where hygiene and precision are paramount, Sanitary Glass Windows serve as critical components for process observation and industrial flow monitoring. These specialized sight glasses are installed in pipelines, tanks, and reactors, enabling operators to visually inspect the flow, clarity, and presence of fluids without compromising the system's integrity or cleanliness. Whether in pharmaceutical, food and beverage, or biotechnology applications, these windows ensure that production complies with strict sanitary standards while allowing for real-time decision-making.
Weld to tank sight glass
The Douglass Weldable Tank Sight Glass with SMS (Sanitary Mechanical Seal) Connection is an advanced sight glass designed for seamless integration into tanks where cleanliness and durability are paramount.
Engineered for industries demanding high standards of hygiene, this sight glass provides clear visibility of the tank's interior, ensuring precise monitoring of processes and fluid levels.


| Item | Part name | Material options |
|---|---|---|
| 1 | Support |
|
| 2 | Cover flange |
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| 3 | Gasket (max temp) |
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| 4 | Sight glass |
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| 5 | Base |
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| ID | A (Total Diam) | B (Visible Diam) |
|---|---|---|
| 1" | 51.00 mm | 22.50 mm |
| 1.5" | 74.00 mm | 35.50 mm |
| 2" | 84.00 mm | 48.50 mm |
| 2.5" | 100.00 mm | 60.50 mm |
| 3" | 114.00 mm | 72.00 mm |
| 4" | 154.00 mm | 97.60 mm |
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