METAGLAS® Type 99.NA — NA-Connect™ Flush-Mounted Aseptic Sight Glass
The METAGLAS® Type 99.NA sight glass is designed specifically for integration with the
flush-mounted NA-Connect™ system, offering clear process visibility, superior safety, and hygienic performance.
This advanced metal-fused glass assembly eliminates dead legs and prevents air pockets or trapped materials —
a common issue in traditional sanitary ferrule connections.
Design & Construction
Interface: Flush-mounted NA-Connect™ aseptic system
Glass Type: METAGLAS® metal-fused borosilicate for unmatched mechanical integrity
Seal Design: Dead-leg-free flush surface for CIP/SIP compatibility
Body Material: Stainless steel 1.4404 / 316L as standard (other alloys available on request)
Finish: Electropolished hygienic surface for sterile process environments
Temperature Range: -40°C to +200°C (application-dependent)
Pressure Rating: Up to 16 bar (depending on diameter and seal material)
Applications
Pharmaceutical and biotech processing vessels
Food, dairy, and beverage production requiring aseptic standards
Cleanroom and high-purity chemical systems
Inspection and illumination points in sterile pipelines
Key Advantages:
Flush-mounted design eliminates dead legs and stagnation zones
Superior hygiene — ideal for CIP/SIP processes
Metal-fused glass ensures long life and resistance to thermal shock
Compliant with modern aseptic connection standards (NA-Connect™, DIN, ISO)
Clear, distortion-free viewing with zero maintenance alignment
Specify NA-Connect™ size, body material, operating pressure, and temperature range when ordering.
John Moncrieff Ltd supplies METAGLAS® Type 99.NA pre-configured for your sanitary or sterile processing application.
