You may also like
Von Duprin KR4854 Series - Keyed Removable Steel Mullion
Model: VON-KR4854-S
Von Duprin KR4854 - Keyed Removable Steel Mullion, Prepped For One 299 Strike and One 6111 Electric Strike
Mullions Removable steel mullions provide single door performance in double door...
Von Duprin
Starting at
$2,087.00
$1,736.67
Detex 90 Series Keyed Removable Mullion for Rim Exit Devices
Model: DTX-90KR
Detex 90 Series Keyed Removable Mullion for Rim Exit DevicesProfessional Removable Mullion Solution for Double Door ApplicationsThe Detex 90 Series Keyed Removable Mullion provides a durable,...
Detex
Starting at
$1,116.00
$695.29
Von Duprin 379L - Key Unlocks Trim for 55 Rim Exit Devices
Model: VON-379L
370 Series Control TrimsVon Duprin protects your investment by empowering you to adapt with flexible solutions and modular options. The 55 Series features numerous trim options to serve your...
Von Duprin
Starting at
$1,272.00
$877.00
Falcon KR4023 Key Removable Steel Mullion for 25/24/19 Series Rim Exit Devices
Model: FAL-KR4023
Falcon KR4023 Key Removable Steel Mullion for 25/24/19 Series Rim Exit DevicesProfessional Removable Mullion Solution for Double Door ApplicationsThe Falcon KR4023 Key Removable Steel Mullion is...
Falcon
Starting at
$1,124.00
$697.20
The Von Duprin KR4954 Keyed Removable Steel Mullion delivers single-door performance in double-door openings with rim exit devices. A single operation of the mortise cylinder releases the mullion, allowing large equipment or furniture to pass through freely. The mullion self-locks on reinstallation — no cylinder key required.
Key Specifications
- Width: 2" (51 mm)
- Depth: 3" (76 mm)
- Wall Thickness: 1/8" (3 mm)
- Available Heights: 7'6", 8'6", 10'6"
- Finishes: SP28 (Aluminum Painted), SP313 (Dark Bronze Painted)
- Strike Prep Options: 299 Strike Prep or No Prep (Blank)
- Grade: Grade 1 Commercial
Cylinder Requirement
Requires a 1-1/4" mortise cylinder with a straight cam (Schlage cam reference B502-191). Cylinders are sold separately.
Installation Notes
Removal is performed by loosening the bottom set screw and removing the top fitting cover. The top mullion fitting attaches to the frame and is concealed by the fitting cover. Ships with mounting screws and is prepped for strikes. Strikes are not included unless otherwise indicated.
Manufacturer Resources
Product Specs
- Maximum Purchase:
- 5 units
- Product Group:
- Exit Devices and Trim
- Series:
- KR4954
- Grade:
- Grade 1
- Product Subgroup:
- Parts and Accessories
- Subcategory:
- Parts and Accessories
- Product Type:
- Exit Devices Parts
- Commercial/Residential:
- Commercial
- Parts and Accessories Type:
- Installation Accessories
- Product Attribute:
- Parts and Accessories
- Fire Rating:
- No
- Product Category:
- Exit Devices and Trim
- Department:
- Door Hardware
Von Duprin KR4594 7 FT 6 IN SP28 – Frequently Asked Questions
1) What is the Von Duprin KR4954 keyed removable mullion used for?
The KR4954 is a steel mullion that provides structural support between double doors while allowing authorized removal with a key. It's commonly used in commercial applications where occasional wide opening access is needed while maintaining security.
2) Which Von Duprin exit devices is this mullion compatible with?
This mullion works with Von Duprin exit devices designed for double door applications. Verify compatibility with your specific exit device model and door configuration before ordering.
3) How is the keyed removal feature operated?
The mullion can be unlocked and removed using the provided key mechanism. This allows the mullion to be taken out when full width access is needed, then reinstalled when standard operation is required.
4) What finish options are available for the KR4954?
Contact us to confirm available finishes for this steel mullion. Von Duprin typically offers finishes to match their exit device hardware lines.
5) What are the structural requirements for this mullion?
Steel construction provides robust structural support. Verify door weight capacity and frame requirements with manufacturer specifications. Proper installation requires adequate floor and header attachment points.
6) Does this mullion meet fire and building code requirements?
Von Duprin mullions are designed to work with code-compliant exit systems. Confirm specific fire rating and ADA compliance requirements with local code officials for your installation.
7) What hardware components are included with the KR4954?
The mullion includes the steel post, keyed removal mechanism, and necessary mounting hardware. Check specification sheet for complete component list and any required field-supplied items.
8) What are the basic installation requirements?
Installation requires secure mounting to floor and header. Follow Von Duprin installation templates for proper positioning. Coordinate with door frame preparation and exit device installation.
9) How do I maintain the keyed removal mechanism?
Keep the key mechanism clean and lubricated per Von Duprin maintenance guidelines. Test removal and reinstallation periodically to ensure smooth operation. Inspect mounting points for secure attachment.
10) Are there other Von Duprin mullion options available?
Von Duprin offers various mullion configurations including fixed, removable, and surface-mounted options. Browse our Von Duprin collection for alternative models that may suit your application.
11) What field conditions affect mullion installation?
Consider floor conditions, header structure, and door alignment. Uneven floors may require shimming. Ensure adequate clearance for mullion removal path when key operation is needed.
How fast can I get the Von Duprin KR4594 7 FT 6 IN SP28 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Von Duprin KR4594 7 FT 6 IN SP28 come with a warranty?
Absolutely. The Von Duprin KR4594 7 FT 6 IN SP28 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Von Duprin KR4594 7 FT 6 IN SP28?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Von Duprin KR4594 7 FT 6 IN SP28 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.