Industrial Sight Glass, DIN7080,DIN7081,explosion proof light,Flanges, level gauge | CE&ISO Certified

About Lumistar

Our goal is to provide users with cost-effective special glass products, especially glass observation glasses, pipeline sight glasses, and other products used in high-temperature and high-pressure vessels or pipeline suppliers. Among them, 100% safety is the most important

—Mr. Chen, Chairman

About Lumistar

Leading Factory

The company has passed GJB/T9001C-2017 weapon and equipment management system certification,EJ/T9001-2014 Nuclear industry quality Management system certification, IS09001-2015 quality system certification,ls014001-2015 environmentalmanagement system certification,PED4.3 certification,2014/68/EU certification. Our product export to more than 150 country. Lumistar focus on to beyour reliable partner

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Advanced Equipment

We have a complete production line to control material quality and cost, and can entrust third-party testing agencies (such as TUV, BV, etc.) to conduct inspections according to user needs to ensure compliance with global standards and specifications. Advanced CNC machine tool centers can produce and customize high-precision glass products

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Excellent technology

Lumistar focuses on the research and manufacturing of special glass products that are resistant to high temperature and pressure, high vacuum, bulletproof and explosion proof. We provide high-quality special glass products to global equipment manufacturers with strict quality management to ensure that production details are traceable throughout the entire process.

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Quality Control

Professional quality team, complete quality control process from raw materials, processing to finished products. All products are tested before being delivered to customers to ensure you receive the best possible product.

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Our Advantages

· We can customize products according to the needs of users.

· We can provide professional advice and improvement plans to our clients.

· We adhere to high-quality products, maintain reasonable profits,
and will never lower prices and quality for the sake of orders.

Exploration & Discovery

Industry News

Lumistar Unveils CF Vacuum Sight Glass and Other Industrial Glass at Manufacturing World Tokyo 2025

2025-07-17

Discover Lumistar’s CF vacuum sight glass, sintered sight glass, borosilicate viewports, and liquid level gauges have showcased at Manufacturing World Tokyo 2025. ISO‑ & CE‑certified industrial glass solutions.

Industry News

Lumistar Special Sight Glass to Exhibit at Manufacturing World Tokyo 2025

2025-07-05

Lumistar showcases high‑performance special glass—level gauge glass, sight glasses, pressure vessel sight glass, ultra-high vacuum window, sintered sight glass, and explosion-proof lights—serving chemical, petrochemical, pharmaceutical, semiconductor, power generation, and mining industries worldwide under the motto “Rooted in China, Serving the World.”

Industry News

Precautions for using sight glass devices for process observation of Lumistar pressure vessels and pipeline sight glasses

2025-04-29

The mirror device allows for detailed observation of the production process without the need for complex and typically expensive sensor systems. This article will introduce some common types of mirrors, their advantages and disadvantages, as well as some important design and selection criteria.