Description
The Von Duprin QEL98NL-OP 4 643E is a rim exit device designed for single and double doors with mullion applications. Built to ANSI A156.3-2008 Grade 1 standards and UL listed for panic exit use, it provides reliable emergency egress for commercial facilities, schools, hospitals, and other high-traffic environments where code-compliant life safety hardware is essential.
This device is compatible with standard rim exit frames and mullion door configurations. Installation requires professional setup to ensure proper alignment and function. As an authorized Von Duprin dealer, E.D. Locks & Security offers expert guidance on application, installation, and keying options. Contact our sales team at sales@edlocks.com or 1-877-207-6067 for compatibility verification and installation support.
