METAGLAS® Type 211 — Sight Glass for Glass-Lined Vessels
The METAGLAS® Type 211 sight glass is engineered specifically for
glass-lined vessels, delivering robust mechanical integrity, shock resistance,
and the fail-safe performance of metal-fused borosilicate glass.
Designed for demanding chemical, pharmaceutical, and process environments, it provides
exceptional clarity and long-term reliability under aggressive conditions.
Design & Interface Options
Flange Compatibility:
• DIN 2501
• ANSI B16.5
Suitable for direct mounting to standard process nozzles.
Application: Glass-lined vessels, reactors, and chemical handling systems
Compliance: Designed for use with sight flow indicators per
DIN 3236 and DIN 3237
Construction: METAGLAS® metal-fused borosilicate glass with stainless-steel ring
Sealing: Compatible with flat-face flange gaskets — materials supplied per duty
Profile: High-strength, low-build design for compact installation
Applications
Glass-lined reactors and chemical vessels
Sight flow indicator assemblies per DIN 3236 / 3237
Corrosive process media requiring stable, inert viewing ports
Pharmaceutical, specialty chemical, fine chemical production
High-purity and solvent-based processing systems
Key Advantages:
Ideal for glass-lined vessel installations
Fully compatible with DIN 2501 / ANSI B16.5 flange systems
Engineered for DIN 3236/3237 sight flow indicator requirements
Metal-fused glass eliminates risk of sudden failure
Exceptional resistance to thermal shock and mechanical stress
Long service life under aggressive chemical media
Specify flange type, DN/NPS size, operating pressure, temperature, and media when ordering.
John Moncrieff Ltd will configure METAGLAS® Type 211 to match your process requirements,
glass-lined vessel interface, and compliance documentation needs.
