Detex 90 Series Keyed Removable Mullion for Rim Exit Devices

Detex 90 Series Keyed Removable Mullion for Rim Exit Devices

Professional Removable Mullion Solution for Double Door Applications

The Detex 90 Series Keyed Removable Mullion provides a durable, low-cost solution designed specifically for use with rim exit devices on standard and fire rated pairs of doors. This innovative mullion features a unique latching head design that allows removal in seconds with one key turn and easy snap-back installation without requiring the key. The cylinder is strategically located inside the building to prevent tampering, making it ideal for commercial applications requiring flexible access control.

Professional Features & Benefits

• Quick Removal System: Mullion can be removed in seconds with one key turn and easily snaps back into place without needing the key for maximum operational efficiency.
• Tamper-Resistant Design: Cylinder located inside the building prevents unauthorized tampering and maintains security integrity.
• Fire Rated Compatibility: Designed for use with both standard and fire rated pairs of doors for versatile installation options.
• Easy Retrofit Application: Simple installation process allows for quick adaptation to existing double door configurations.
• Low-Profile Design: Small profile base plate prevents interference when moving objects through doorway, maintaining clear passage.
• Universal Double Door Compatibility: Easily adapted to any double door application for flexible use across various commercial settings.
• Heavy-Duty Construction: Very durable design engineered for long-term reliability in high-traffic commercial environments.
• Rim Exit Device Integration: Specifically designed for use with rim exit devices to ensure proper compatibility and performance.

Technical Specifications

• Commercial/Residential: Commercial
• Product Category: Exit Devices and Trim
• Product Group: Exit Devices and Trim
• Product Model: 90KR
• Product Subgroup: Exit Device Trim
• Product Type: Exit Device Trim
• Series: 90 Series
• Subcategory: Mullions
• Tags: keyed removable mullion, detex 90kr

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

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 Detex Quality?

Detex 90 Series mullions deliver professional-grade reliability with very durable construction designed for demanding commercial applications. The unique latching head design and tamper-resistant cylinder placement demonstrate Detex’s commitment to innovative security solutions. Engineered for demanding commercial applications where dependable performance and flexible access control are essential.

Installation Instructions
Installation Templates
Installation Video