AGB MEDIANA EVOLUTION 85/50 Interior Door Lock Chrome Matte 18mm Faceplate UNI 9173

Product Overview

The MEDIANA EVOLUTION 85/50 lock with 18 mm chrome matte faceplate from AGB is intended for professional installation in interior doors, including commercial and residential environments. Developed to meet the rigorous UNI 9173:1988 endurance standards and DIN 50021 salt spray resistance, it demonstrates proven longevity and corrosion protection. The lock mechanism is engineered for low acoustic output, ensuring quiet operation even in high-traffic applications.

The lock's most distinctive feature is its standardized compatibility: all Mediana locks and strikes share identical dimensions across both mechanical and magnetic variants. This eliminates risks of misalignment or costly door frame modifications when upgrading or switching lock types, streamlining OEM and retrofit door projects. Particularly suited to facility managers or contractors handling bulk door installations in hotels, offices, or apartment complexes seeking flexible hardware options.

Key Features

• Faceplate width 18 mm ? enables precise fit in modern interior and partition doors


• UNI 9173:1988 certified ? mechanism endurance tested to over 500,000 cycles


• DIN 50021 salt spray tested ? enhanced corrosion resistance for long-term use


• Standardized dimensioning ? allows seamless interchangeability between magnetic and mechanical Mediana locks


• Mute operation ? engineered for minimal sound during locking and unlocking


• Unique lock function ? blocking latch does not restrict handle movement, preventing mechanical lock breakage


• World-class reliability ? only 0.0006% complaint rate globally since 1989

Technical Specifications

• Lock Model: Mediana Evolution 85/50


• Faceplate Width: 18 mm


• Finish: Chrome matte


• Tested Cycles: >500,000


• Certification: UNI 9173:1988


• Salt Spray Test: DIN 50021


• Handle to Lower Shield Axis: 96 mm


• Interchangeable with: Mediana magnetic and mechanical locks


• Complaint Rate: 0.0006% since 1989

Applications

Suitable for interior doors in commercial, hospitality, residential, and institutional buildings. Especially appropriate for projects requiring bulk installation, facility refurbishments, or upgrades where standardized lock dimensions enable quick swaps?mechanical to magnetic or vice versa. Used in high-traffic environments where durability, silent operation, and corrosion resistance are required.

Packaging & Shipping

Standard export packaging. Each unit includes the lock body, chrome matte faceplate, mounting hardware, and installation manual. Bulk shipments are available for OEM and contractor orders.