METAGLAS® Type 85 — Sterile Duty Fitting (DIN 11864-3 Form A, Raised Lip)
The METAGLAS® Type 85 sterile-duty sight glass is designed for
aseptic clamp connections to DIN 11864-3 Form A.
Featuring a raised lip for installation on a
recessed-face sterile-duty flange Form A, it delivers
uncompromising optical clarity, hygienic integrity, and mechanical security.
This unit is built for CIP/SIP-compliant operation across pharmaceutical,
biotech, and food-grade process systems.
Design & Construction
Connection Standard: DIN 11864-3 Form A aseptic clamp interface
Interface Type: Raised-lip configuration for recessed-face flange Form A
Body Material: Stainless steel 1.4404 / 316L as standard; other alloys on request
Surface Finish: Polished / electropolished to hygienic standards (≤ Ra 0.8 µm)
Sealing Options: EPDM, FKM (Viton®), or PTFE gaskets per process requirements
Pressure / Temperature Range: Defined by nominal size and material combination — data on request
Applications
Pharmaceutical & biotech pipelines and vessels
Food & beverage aseptic processing and filling systems
CIP/SIP loops and sterile inspection ports
Dairy, nutraceutical, and cosmetic manufacturing equipment
Key Advantages:
Complies with DIN 11864-3 Form A aseptic clamp standard
Raised-lip / recessed-face interface ensures perfect seal alignment and repeatability
Metal-fused glass construction eliminates risk of seal creep or glass delamination
Completely flush internal surface for CIP/SIP sterility and easy cleaning
High mechanical integrity under vibration and thermal cycling
John Moncrieff Ltd supplies
METAGLAS® Type 85 aseptic sight glasses tailored to your system
— built for sterile performance, precision visibility, and reliability under the strictest process conditions.
Specify nominal size, flange rating, seal material, and finish when ordering for perfect fit and documentation compliance (PED / CE / QA certification).
