Weld sight glass sanitary sight glass

Sanitary Weld Sight Glass — Hygienic Pipeline Observation

Our sanitary weld sight glass is designed for hygienic process pipelines in food and beverage, dairy, pharmaceutical, and biotechnology industries. Featuring a high-clarity borosilicate glass window and a smooth, crevice-free weld-in body, it meets stringent sanitary standards while providing clear, real-time visibility of process fluids.

Key Features

• Borosilicate glass window — high thermal shock resistance and chemical durability
• Weld-in design — seamless integration into stainless steel pipelines, no dead zones
• Electropolished interior surface — Ra ≤ 0.8μm, easy to clean and sterilize
• Compatible with CIP (Clean-in-Place) and SIP (Steam-in-Place) processes
• Available in AISI 304 and AISI 316L stainless steel
• Compliant with 3-A Sanitary Standards and EHEDG guidelines

Available Configurations

• Inline weld sight glass (straight-through flow)
• Elbow weld sight glass (90° configuration)
• Single and double window designs
• With or without illumination port

Typical Applications

• Dairy processing — milk, cream, and whey pipelines
• Beverage production — juice, beer, and soft drink lines
• Pharmaceutical and biotech process vessels and transfer lines
• Cosmetics and personal care product manufacturing

Specifications

• Pipe OD: DN25 to DN150 (custom sizes available)
• Max working pressure: 10 bar
• Max working temperature: 140°C (CIP/SIP compatible)
• Glass material: Borosilicate 3.3

Custom sizes, surface finishes, and connection types available. Contact us with your pipeline OD and process conditions for a tailored solution.