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Frequently Asked Questions
What is a VON DUPRIN keyed removable mullion used for?
A VON DUPRIN keyed removable mullion, like the KR54 SP313 in bronze, is used on paired doors to provide a temporary center post that can be removed with a key for wide passage. It is common in commercial buildings, schools, and hospitals where flexible door openings are needed.
What are the specifications of the VON DUPRIN KR54 SP313 mullion?
The VON DUPRIN KR54 SP313 is a keyed removable mullion in a bronze finish. The manufacturer part number is KR54 SP313. It is designed for use with Von Duprin exit devices to allow a pair of doors to function as a single opening when the mullion is removed.
Where to buy VON DUPRIN door mullions worldwide?
3G Electric supplies VON DUPRIN door mullions, including the KR54 SP313 bronze model, to customers worldwide. We handle full logistics and customs clearance to deliver to your site. Contact us for pricing and lead time on this item.
How to install a VON DUPRIN keyed removable mullion?
Installation of a VON DUPRIN keyed removable mullion involves mounting it vertically between the top and bottom door frames using the provided hardware. The mullion is secured with a key cylinder; turning the key releases it for removal. Always follow the manufacturer's template and instructions for proper alignment.
Used in
Common applications for VON DUPRINVON DUPRIN Products
3G Electric supplies VON DUPRIN keyed removable mullions. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
