BEST Precision KR822689 Key Removable Mullion 2" x 3" x 8' Aluminum Finish

BEST Precision KR822689 Key Removable Mullion 2" x 3" x 8' Aluminum Finish

Professional Double Door Conversion Solution

The BEST Precision KR822689 Key Removable Mullion transforms double door openings into two single door openings for use with rim exit devices. This 2" x 3" steel mullion accommodates openings up to 8'-0" high and features a secure key removable design that allows quick removal when full opening width is required. The investment cast steel construction with aluminum finish provides durable performance for commercial applications.

Professional Features & Benefits

• Flexible Opening Configuration: Converts double door openings to two single door openings with rim exit devices for enhanced security and code compliance.
• Key Removable Design: KR option provides secure yet quick and easy mullion removal when full opening width is required, with reinstallation capability without key.
• Standard Dimensions: 2" x 3" steel mullion designed for openings up to 8'-0" high, with field-cuttable capability for shorter openings.
• Heavy-Duty Construction: Investment cast steel mullion base (2" wide x 3-1/2" deep) and cap assembly provide exceptional durability for commercial applications.
• Complete Installation Package: Furnished with steel anchors for concrete floors and retrofits to existing MC822 mullion cap hole patterns.
• Series Compatibility: KR822 model designed for non-fire-rated applications with rim panic devices, with FLKR822 model available for UL listed fire exit hardware applications.
• Professional Finish: Aluminum finish provides corrosion resistance and professional appearance for commercial installations.

Technical Specifications

• Commercial/Residential: Commercial
• Department: Door Hardware
• Parts and Accessories Type: Installation Accessories
• Product Attribute: Parts and Accessories
• Product Category: Key Removable Mullion
• Product Finish: Aluminum
• Product Group: Parts and Accessories
• Product Subgroup: Parts and Accessories
• Product Type: Exit Devices Parts
• Series: KR822
• Subcategory: Door Parts and Accessories

Installation & Operation

1. Review manufacturer specifications and verify opening dimensions and floor preparation requirements for the 2" x 3" mullion base installation.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on floor surface for the investment cast steel base.
3. Prepare floor by drilling required holes for steel anchors in concrete floors as specified in manufacturer instructions.
4. Install mullion base using provided steel anchors and secure per manufacturer torque specifications.
5. Install the 8' mullion section, cutting down as needed for openings less than 8'-0" high following manufacturer guidelines.
6. Install key removable cap assembly, ensuring proper alignment with existing MC822 mullion cap hole patterns if retrofitting.
7. Test key removal and reinstallation operation to verify proper function and security. Refer to manufacturer documentation for complete installation details and key operation procedures.

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 BEST Quality?

BEST Precision mullion systems deliver professional-grade reliability with investment cast steel construction and aluminum finish for demanding commercial applications. The KR822 series provides secure key removable functionality while maintaining structural integrity and code compliance. Engineered for dependable performance in high-traffic commercial environments where flexible opening configurations are essential.