Von Duprin LD99NL 3 Grade 1 Rim Exit Device, Wide Stile Pushpad, 36" Nightlatch Function with Escutcheon Pull, Less Dogging

Von Duprin LD99NL 3 Grade 1 Rim Exit Device, Wide Stile Pushpad, 36" Nightlatch Function with Escutcheon Pull, Less Dogging

Heavy-Duty 99 Series Wide Stile Rim Exit Device for Institutional and Commercial Applications

The Von Duprin LD99NL 3 is a Grade 1 certified rim exit device from the renowned 98/99 Series, featuring a wide stile heavy-duty pushpad designed for 36" door applications. This device is configured with Nightlatch function, an escutcheon pull, and the Less Dogging (LD) option, making it an ideal solution for institutional environments including higher education, K-12 schools, hospitals, hospitality, and government buildings. The 99 Series is distinguished by its grooved mechanism case, and its modular design allows the device to be upgraded over time to keep pace with changing technology and evolving facility needs. Certified to ANSI/BHMA A156.3 2014 Grade 1 standards, this exit device delivers the highest level of industry-recognized performance and reliability.

Professional Features & Benefits

• Door Width Compatibility: Specifically designed for 36" door applications with a wide stile pushpad configuration, ensuring proper fit and reliable operation in standard commercial door openings.
• ANSI/BHMA Grade 1 Certified: Certified to ANSI/BHMA A156.3 2014 Grade 1 standards—the highest industry certification—confirming suitability for high-traffic institutional and commercial applications.
• Multi-Standard Certifications: Meets ANSI/UL 305, CAN/ULC-S132, and for fire-rated configurations, ANSI/UL 10C and CAN/ULC-S104, providing broad compliance across a range of building code requirements.
• Nightlatch Function with Escutcheon Pull: The NL (Night Latch, key retracts) function combined with an escutcheon pull provides controlled outside entry via key while always allowing free egress from the interior, ideal for secured institutional doors.
• Less Dogging (LD) Configuration: The Less Dogging option removes the dogging mechanism, ensuring the latchbolt is always active and the door remains secure—a critical feature for fire-rated and high-security applications.
• Modular Design for Future Upgrades: The 98/99 Series modular architecture allows the device to be upgraded with mechanical, electromechanical, and finish options—including electric latch retraction, latchbolt monitoring, request-to-exit switches, and more—without full replacement.
• Wide Range of Field-Configurable Options: Compatible with a broad array of mechanical options (cylinder dogging, quiet mechanical, hurricane-rated, ADA-compliant AX option, pneumatic latch retraction) and electromechanical options (EL, QEL, RX, LX, SS, CX delayed egress, ESL emergency lockdown, ALK alarm kit) for maximum facility flexibility.
• Designed for High-Use Institutional Environments: Engineered specifically for high use and abuse in demanding settings such as schools, hospitals, and government facilities where dependable daily performance is essential.

Technical Specifications

• Subcategory: Parts and Accessories
• Product Group: Exit Device Trims
• Product Subgroup: Parts and Accessories
• Product Category: Exit Device
• Department: Door Hardware

Professional Applications

• Higher Education Facilities
• K-12 Schools and Educational Institutions
• Hospitals and Healthcare Facilities
• Hospitality and Hotel Properties
• Government and Municipal Buildings
• Commercial Office Buildings
• Industrial and Institutional Facilities

Why Choose Von Duprin Quality?

Von Duprin 98/99 Series exit devices are certified to ANSI/BHMA A156.3 2014 Grade 1—the highest industry standard—and comply with ANSI/UL 305 and CAN/ULC-S132, ensuring proven performance in the most demanding commercial and institutional environments. The modular design and extensive field-configurable options mean this device can adapt to a facility's changing needs without requiring full replacement, delivering long-term value and reliability. Engineered for high use and abuse in schools, hospitals, and government buildings, Von Duprin exit devices represent a trusted standard in commercial door hardware.