Von Duprin KR9954 Keyed Removable Steel Mullion for Paired Door Exit Device Applications

Von Duprin KR9954 Keyed Removable Steel Mullion for Paired Door Exit Device Applications

Fire-Rated, Key-Removable Center Post Solution for Double Door Openings

The Von Duprin KR9954 Keyed Removable Steel Mullion is a professional-grade center post solution engineered for paired door openings requiring a removable mullion with key-operated release. Constructed of durable steel, this mullion is prepped to accept two 499F or two 268 strikes, providing a versatile and code-compliant mounting point for exit device hardware. Available in a 7' fire-rated aluminum configuration and an 8'5" fire-rated aluminum blank configuration, the KR9954 accommodates a range of commercial opening heights while maintaining fire-rated integrity.

Professional Features & Benefits

• Key-Removable Design: Keyed removable operation allows authorized personnel to unlock and remove the mullion, enabling full-width access through paired door openings when required.
• Dual Strike Compatibility: Factory prepped to accept two 499F or two 268 strikes, ensuring seamless integration with compatible Von Duprin exit device hardware.
• Multiple Height Options: Available in a 7' fire-rated aluminum configuration and an 8'5" fire-rated aluminum blank configuration to suit a variety of commercial opening heights.
• Fire-Rated Construction: Both available configurations carry a fire rating, supporting compliance requirements for fire-rated door assemblies in commercial and institutional applications.
• Steel Substrate: Built on a steel substrate for robust structural integrity, providing a dependable center post that withstands the demands of high-traffic commercial environments.
• Series 9954 Platform: Part of the Von Duprin 9954 Series mullion family, ensuring compatibility and consistent performance within coordinated exit device installations.
• Blank Option Available: The 8'5" configuration is available in a blank version, offering flexibility for field preparation or custom strike placement as required by the specific opening.

Technical Specifications

• Subcategory: Parts and Accessories
• Product Group: Mullions
• Product Subgroup: Parts and Accessories
• Product Category: Exit Devices Parts
• Product Function: Key Removable Mullion
• Strike Classification: Two 268 Strikes or Two 499F
• Series: 9954
• Product Substrate: Steel
• Department: Door Hardware

Professional Applications

• Commercial Office Buildings with Double-Door Lobbies
• Educational Facilities Requiring Wide Egress Access
• Healthcare Institutions with Paired Entry and Exit Points
• Retail Establishments with High-Traffic Double Door Openings
• Industrial and Warehouse Facilities Requiring Removable Center Posts
• Government and Municipal Buildings with Fire-Rated Door Assemblies
• Multi-Tenant Residential Properties with Code-Compliant Exit Hardware

Why Choose Von Duprin Quality?

Von Duprin mullion products are built on a steel substrate and engineered to integrate seamlessly within the 9954 Series platform, delivering reliable performance in demanding commercial door assemblies. The KR9954's fire-rated configurations and dual strike compatibility with 499F and 268 strikes reflect Von Duprin's commitment to versatile, code-conscious hardware solutions. Trusted by door hardware professionals across a wide range of institutional and commercial applications, Von Duprin products are a dependable choice where performance and compliance are essential.