A Tri-Clamp sight glass union is a viewing window integrated into sanitary piping, allowing you to visually inspect flui...
Inquire1. Brief Introduction of Products:
An in-line sight glass is a transparent component installed directly into a pipeline or vessel that allows operators to visually monitor fluid or gas flow, clarity, and levels without interrupting the process. It acts as a real-time window into the internal conditions of an industrial system.
Materials & Design
• Construction: Consists of a strong, transparent tube (like borosilicate glass, pyrex, or acrylic) housed inside a durable metal frame (often stainless steel).
• Connections: They often feature sanitary Tri-Clamp, threaded, or flanged connections for seamless integration into piping.
2. Technical Specification:

3A/SMS/ISO/IDF
| Size | L1 | K1 | A |
| 1" | 156 | 50.5 | 78 |
| 1 1/4" | 156 | 50.5 | 78 |
| 1 1/2" | 160 | 50.5 | 80 |
| 2" | 166 | 64 | 100 |
| 2 1/2" | 168 | 77.5 | 117 |
| 3" | 172 | 91 | 129 |
This product are also available in DIN, ISO/IDF, SMS, BSP standards. Please feel free to contact us if you need it in other standards!
3. Key Applications and Use Cases:
• Brewing & Distilling: Monitoring fermentation, verifying wort clarity, or watching for liquid levels and foaming in a column.
• Industrial Processing: Inspecting product flow in the pharmaceutical, food and beverage, and chemical industries without exposing the fluid to outside elements.
4. Core Features
• Real-Time Visual Monitoring: Offers full 360-degree transparency to observe color, clarity, and consistency, or to spot foreign particles and air bubbles.
• Durable Materials: Transparent tubes are crafted from high-grade materials like tempered borosilicate glass or acrylic for thermal and pressure resistance.
• Robust Enclosure: The glass is typically encased in a protective stainless steel or PVC housing, often featuring safety grids or double-nut tensioning to prevent over-tightening.
• Seamless Integration: Uses standard connections (such as flanged, threaded, or sanitary Tri-Clamp) to fit easily into existing industrial, hygienic, or plumbing lines
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