METAGLAS® Type 82 – Metal-Fused Sight Glass for Pipe Coupling (DIN 11851)
The METAGLAS® Type 82 sight glass is engineered for pipe coupling installations to DIN 11851, providing a compact,
hygienic, and pressure-resistant observation window for sanitary and industrial processes.
Designed for use with a cover nut mounting system, it enables quick installation and removal without compromising sealing integrity.
Design & Construction
Type: Metal-fused sight glass for pipe coupling
Standard: DIN 11851
Mounting: Installed using a cover nut; suitable for clamp and threaded coupling systems
Glass-to-Metal Seal: Fused construction delivering permanent mechanical pre-stress and leak-tight performance
Pressure/Temperature Range: Dependent on size and material specification (available on request)
Applications
Hygienic and sterile processing lines
Dairy, beverage, and food-processing equipment
Pharmaceutical and biotech installations
Chemical and cosmetic production systems
Sanitary pipeline visual inspection points
Key Advantages:
Compliant with DIN 11851 coupling dimensions for seamless integration
High mechanical and thermal resistance via metal-fused construction
Compact, easy-to-clean design for sanitary pipelines
Quick assembly using standard cover nut fittings
Long-term reliability with zero maintenance requirement
John Moncrieff Ltd supplies certified METAGLAS® Type 82 sight glass assemblies
for hygienic and process applications worldwide — engineered for mechanical integrity, pressure safety, and compliance with
DIN and PED standards.