Von Duprin KR54 Keyed Removable Mullion Retrofit Kit for 1654 and 4954 Mullions

Von Duprin KR54 Keyed Removable Mullion Retrofit Kit for 1654 and 4954 Mullions

Professional Mullion Retrofit Accessory for Commercial Exit Device Applications

The Von Duprin KR54 Keyed Removable Mullion Retrofit Kit is a purpose-built accessory designed to upgrade or retrofit 1654 and 4954 mullions with keyed removable functionality. This kit provides all necessary hardware components for a complete retrofit installation, including precisely sized fasteners to ensure a secure and professional fit. Available in two configurations—KR54-28 and KR54-F-28—each variant includes the specific screw assortment required for compatible mullion assemblies.

Professional Features & Benefits

• Broad Mullion Compatibility: Specifically engineered for use with 1654 and 4954 mullions, enabling a keyed removable upgrade on existing installations without full hardware replacement.
• Complete Hardware Assortment (KR54-28): Includes 1/4-20 x 1", 8-32 x 1/4", 5/16-18 x 1-1/4", and 8-32 x 3/8" fasteners to cover all required mounting points.
• Extended Hardware Assortment (KR54-F-28): Includes 1/4-20 x 3/8", 1/4-20 x 1", 8-32 x 1/4", 5/16-18 x 1-1/4", and 8-32 x 3/8" fasteners for applications requiring the additional 1/4-20 x 3/8" screw size.
• Keyed Removable Functionality: Provides the keyed removable mullion feature, allowing authorized personnel to remove the mullion with a key for enhanced operational flexibility in commercial door openings.
• Retrofit Design: Designed as a retrofit kit for existing 1654 and 4954 mullion installations, minimizing downtime and simplifying the upgrade process.
• Von Duprin Quality Construction: Manufactured to Von Duprin’s commercial-grade standards, ensuring reliable performance and compatibility with the specified mullion series.
• Exit Device Parts Category: Classified as an Exit Devices Parts accessory within the Mullions product group, confirming suitability for professional door hardware applications.

Technical Specifications

• Subcategory: Parts and Accessories
• Product Group: Mullions
• Product Subgroup: Parts and Accessories
• Product Category: Exit Devices Parts
• For Use With: KR54
• Product Function: Keyed Removable Mullion Kit
• Screw Size: 1/4-20 x 1"; 8-32 x 1/4"; 5/16-18 x 1-1/4"; 8-32 x 3/8"
• Department: Door Hardware

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Von Duprin Quality?

Von Duprin mullion parts and accessories are engineered to meet the demands of commercial door hardware installations, delivering reliable compatibility and consistent performance with the 1654 and 4954 mullion series. Each KR54 Retrofit Kit is manufactured to Von Duprin’s professional-grade standards, providing the precise fastener assortments needed for a complete and secure retrofit. Trusted by door hardware professionals across a wide range of commercial applications where dependable performance is essential.