Professional Manufacturer of Industrial Sight Glass Solutions
Lumistar provides high quality sight glass, glass windows and sight glass lights for pressure vessels, tanks, pipelines and industrial equipment.
- PED Support
- EN10204-3.1
- Custom Solutions
- Fast Response
Industrial sight glass and special glass
Our Products

Circular Sight Glass
DIN 7080 / DIN8902
Various materials available

Level Gauge Glass
DIN 7081 / Reflex / Transparent High Temperature Resistance

Vessel Sight Glass
For Pressure Vessels / Reactors High Pressure Applications

Pipeline Sight Glass
Inline Flow Observation
Threaded / Flanged Connection

Vacuum Viewport
CF / KF / ISO/DN Standard
High Vacuum Applications

Sight Glass Light
LED Available
Explosion-Proof Optional
QUALITY ASSURANCE
Strict quality control system from raw materlal to finished products.
CERTIFIED MANUFACTURER
ISO 9001:2015, PED/CE, EN 10204 3.1, BV certified.
CUSTOM SOLUTIONS
Custom sizes, thickness, materials and coatings available.
GLOBAL SUPPLY
Exported to more than 50 countries and regions worldwide.
Industrial Sight Glass Manufacturer
About Lumistar
Lumistar Special Glass Technology Co., Ltd. is a professional manufacturer of industrial sight glass and special glass components. We focus on supplying reliable viewing solutions for demanding applications, including pressure vessels, pipelines, level gauges, vacuum systems, and other industrial equipment.
With strong manufacturing capabilities and a quality-driven production system, we provide customized glass products with stable performance, precise dimensions, and consistent quality. Our products are widely used in industries such as petrochemical, pharmaceutical, energy, marine, and process equipment.
We can provide PED compliance, ISO 9001 quality management, Bureau Veritas inspection support, and EN 10204 3.1 material certificates to meet customer requirements for project approval, quality traceability, and international procurement.
At Lumistar, we are committed to delivering high-quality industrial sight glass solutions, fast response, and dependable service for global customers.
Industrial Sight Glass Manufacturer
Our Applications
Trusted by industry worldwide
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Get in Touch with Lumistar
At Lumistar, we are committed to delivering high-quality industrial sight glass solutions, fast response, and dependable service for global customers.
Trusted by industry worldwide
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