• Borosilicate Glass

Borosilicate Glass

  • Product Code: Borosilicate Glass

Borosilicate Sight Glass Discs

Product Code: Borosilicate Glass

Our premium borosilicate sight glass discs are engineered as high-performance replacements for Lumiglas sight glass assemblies and circular viewing windows manufactured to MAXOS® DIN 7080, DIN 7081, or BS 3463. These discs offer outstanding thermal resistance, mechanical strength, and long-term reliability in demanding industrial environments.

Key Features

  • High Temperature Capability: Rated for pressure duties up to 280°C with no lower temperature limit.
  • Toughened Construction: Manufactured from fully toughened borosilicate glass compliant with BS 3463 or MAXOS® DIN 7080 / DIN 7081.
  • Superior Optical Quality: Ground and polished to ensure clear, distortion-free viewing.
  • Custom Manufacturing: Available in bespoke diameters, thicknesses, and non-standard shapes.
  • Optional Enhancements: Special coatings and additional treatments available upon request.

Designed for high-demand process environments, our borosilicate sight glass discs deliver the strength, temperature resistance, and clarity essential for safe and reliable industrial observation.


Tags: borosilicate sight glass disc, toughened borosilicate, DIN 7080 sight glass disc, BS 3463 sight glass disc, high-temperature sight window, custom glass disc, John Moncrieff borosilicate sight glass