Sealed Tubular Sight Glasses | Custom Fittings & High Precision

High-precision borosilicate glass tube viewports with custom threaded or bayonet fittings. We manufacture borosilicate glass tube viewports with precision ends that ensure leak-proof connections. Customize diameter, length, and fitting type for your specific application needs.

Cylindrical Sight Glass Windows for Oil Storage Tank Level Gauge

Tough cylindrical sight glass windows for oil storage tanks, fuel tanks, and industrial level gauges.

Round Lenslet Arrays for Efficient Light Collection

Round lenslet arrays capture and focus light with maximum efficiency, significantly boosting optical system performance and output intensity.

Threaded Sight Glass with Gasket for Chemical Reactor Inspection

Easy-install threaded sight glasses with sealing gaskets for chemical reactors and pressure vessel inspection.

Flange sight glasses for brewery tanks and fermenters

Reliable flanged sight glass assemblies for brewery tanks, fermentation vessels, and food processing equipment.

Temperature Resistant Sight Glass for Reactor & Process Vessels

Heat-resistant sight glass assemblies maintain clarity in chemical reactors and high-temperature process vessels.

Sanitary Sight Glass for Cosmetic Manufacturing & Food Processing

Hygienic sanitary sight glasses with smooth surfaces for cosmetic, food, and pharmaceutical applications.

Level Gauge Glass Tube with Flange for Industrial Tank Monitoring

Complete level gauge glass tube kits with flanges for easy installation on industrial tanks and vessels.

Green Line Gauge Glass Tube for High Pressure Steam Boiler Systems

Durable green line gauge glass provides clear liquid level indication in high-pressure steam boilers and power plants.

Custom Microlens Array Design for LED Lighting & Light Field Displays

We design custom microlens arrays to optimize light for LEDs and create immersive light field displays.

High-pressure sight glasses for industrial boilers

Safety-rated high pressure sight glasses withstand extreme conditions in chemical plants and boiler systems.

Complete product samples within 21 day

We have advanced production equipment, the latest tempered glass technology, and strong customized production capabilities. We have a mature logistics team that can transport products to customers in a timely and safe manner.

Inquiry and Confirmation
Receive and confirm the customer’s inquiry, ensuring accurate specifications and information.
Quotation and Sample Preparation
Prepare and send the quotation. Once confirmed by the customer, create the sample.
Sample Delivery and Feedback
Deliver the sample to the customer, gather feedback, and confirm the sample meets requirements.
Bulk Order Confirmation and Production
Once the sample is approved, confirm the bulk order, verify details, and start mass production.
Quality Inspection and Packaging
Conduct quality checks after production to ensure standards are met and packaged as required.
Shipping and Delivery

Our other products

Sight Glass Disc

Source custom Sight Glass Disc
  • From prototyping to production
  • Huge selection of high-quality materials & finishes
  • Get full IP protection and quality documentation
See Our Custom Glass

Pipe Bends and Glass Bends

Source Custom Pipe Bends and Glass Bends
  • From prototyping to production
  • Huge selection of high-quality materials & finishes 
  • Get full IP protection and quality documentation
See Our Custom Glass

Home Decor Glass

Source Custom Home Decor Glass
  • From prototyping to series production
  • Huge selection of high-quality glass materials
  • Get full IP protection and quality documentation
See Our Custom Glass

Contact Us

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