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Innovating industrial vision technology

DOUGLASS flow sight glasses with 360°

Sight Flow Indicators

Level Gauge Glass

Sight Windows

Custom Applications

Spare parts

About Our Products

Variety and Quality

Douglass pioneers top-tier sight glass equipment, meeting diverse tank and industrial vision needs. Our lineup, from Flow Indicators to Level Gauge Glass, showcases unwavering commitment. Specialized solutions like Polycarbonate Sight Glass and Red Line Borosilicate Tube adhere to the highest standards.

Innovation defines Douglass, seen in products like Tempered Borosilicate Level Sight Glasses, Tempered Soda Lime Sight Glass, and Flat Quartz Sight Glass. We excel in understanding the evolving industrial landscape.

Douglass: Where quality, variety, and customer understanding converge for unmatched excellence.

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