Tank Weldable Sight Glass Sanitary DN Connection
Weldable tank sight glasses allow for a total view of the interior of a process. Depending on the fluid temperature and pressure to be worked on, some recommendation may be made on the best manufacturing material, types of crystals and types of gaskets. This type of sight glasses has a sanitary weldable connection based on the size of the connection, and the tightening of the sight glasses is sanitary according to the DN nut.
OUR WARRANTY
100% Satisfaction Guarantee
Douglass warrants merchandise against defective workmanship and materials that become apparent within a period of 12 months from the date of receipt of invoice by the purchaser (hereinafter referred to as the warranty period). All liabilities under the warranty provisions shall expire when the warranty period has expired. Please feel free to contact us if you have any questions or comments.
SHIPPING AND PACKAGING
At Douglass, we use a unique and patented packaging method that minimizes the risk of glass damage during shipping. This system ensures your products arrive in perfect condition, just as we would like to receive them ourselves.
We understand that not all glass is the same, so we tailor our packaging techniques based on the type and quantity of products you order. This ensures maximum protection for every shipment.
A Douglass weldable sight glass is a critical component in various industrial tanks, providing a clear view of the tank's interior for monitoring purposes. It is particularly important in sanitary applications where hygiene and cleanliness are paramount, such as in the food, beverage, pharmaceutical, and biotech industries.
Application — Sanitary sight glass
These sight glasses are especially useful in the chemical and pharmaceutical industry, food and beverage industry, and other sectors where direct observation of the tank's contents is crucial for controlling and monitoring the process.
Key benefits — Sanitary DN connection
Quality control
They allow direct visual inspection, which can prevent quality issues before they escalate.
Operational safety
Observation without opening the tank minimizes exposure to hazardous substances.
Ease of maintenance
Weldability and robust design simplify installation and maintenance of the sight glass.
Parts and materials
| Item | Part name | Material options |
|---|---|---|
| 1 | Support |
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| 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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Installation — Tank weldable sight glass
The numbers in the following installation instructions refer to the drawing above.
After properly welding the cover flange (2) onto the vessel wall, assemble the gasket (3), sight glass (4), gasket (3), and cover flange (2) in that order.
At Douglass, we specialize in providing high-quality sight glass solutions for industries that demand the highest standards of hygiene and safety. Our sight glass sanitary DN connection is specifically designed for seamless integration into process equipment glass systems, ensuring a clear view of fluid processes in real time. This product is essential in industries like food and beverage, pharmaceuticals, and biotechnology, where precise process monitoring equipment is critical to maintaining product quality and compliance with industry regulations.
Sanitary sight glass window — Technical information
| ID | A (Total Diam) | B (Visible Diam) |
|---|---|---|
| DN10 | 38.00 mm | 10.00 mm |
| DN15 | 44.00 mm | 16.00 mm |
| DN20 | 54.00 mm | 20.00 mm |
| DN25 | 63.00 mm | 26.00 mm |
| DN32 | 70.00 mm | 32.00 mm |
| DN40 | 78.00 mm | 38.00 mm |
| DN50 | 92.00 mm | 50.00 mm |
| DN65 | 112.00 mm | 66.00 mm |
| DN80 | 127.00 mm | 81.00 mm |
| DN90 | 138.00 mm | 89.00 mm |
| DN100 | 148.00 mm | 100.00 mm |
| DN125 | 178.00 mm | 125.00 mm |
| DN150 | 210.00 mm | 150.00 mm |
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