METAGLAS® Type 84.BF — Aseptic Flange Sight Glass with Notch (DIN 11864-2 Form A)
The METAGLAS® Type 84.BF is a precision-engineered aseptic sight glass
designed for flange connections in accordance with DIN 11864-2 Form A.
This version features a notched aseptic flange for installation on a
grooved sterile-duty flange, providing an ultra-secure, hygienic seal and
exceptional optical visibility in sterile process environments.
Design & Construction
Connection Standard: DIN 11864-2 Form A aseptic flange with notch-to-groove engagement
Interface: Notched flange design for installation on grooved sterile flange face
Glass Type: METAGLAS® metal-fused borosilicate glass for maximum mechanical safety
Body Material: Stainless steel (1.4404 / 316L) as standard
Finish: Polished and electropolished surfaces for hygienic and aseptic compliance
Seal Options: EPDM, FKM (Viton®), or PTFE depending on temperature and media
Pressure & Temperature: Rated per configuration — data available on request
Applications
Pharmaceutical and biotechnology process systems
Food and beverage sterile production lines
CIP/SIP systems and aseptic filling modules
Dairy, nutraceutical, and cosmetic manufacturing
Any hygienic pipeline or vessel requiring flush, sanitary visibility
Key Advantages:
Complies with DIN 11864-2 Form A aseptic connection standard
Notch-and-groove design ensures precise, repeatable alignment and sealing
Metal-fused construction provides permanent compressive pre-stress for fail-safe operation
Flush interior face for full CIP/SIP compatibility
Exceptional clarity and durability for continuous operation
John Moncrieff Ltd supplies METAGLAS® Type 84.BF
aseptic sight glasses configured for DIN 11864-2 Form A systems — built for reliability, sterility, and total process transparency.
Specify nominal size, material grade, and gasket preference when ordering.
