Von Duprin XP98/XP99-4 48" Wide Stile Rim Exit Device with Patented Smart LatchHeavy-Duty Institutional Rim Exit Device with Patented 2-Piece Latchbolt SecurityThe Von Duprin XP98/XP99-4 is a 48" wide stile rim exit device engineered for single and double doors requiring increased security in high-demand institutional environments. Featuring Von Duprin's patented XP 2-piece latchbolt design, the smart latch changes shape when subjected to external forces, enabling the exit door to withstand external attack and remain secure. The patented latch bolt design provides greater, longer-lasting latch bolt to strike contact that is not easily affected by the twisting motion of a weakened frame. Certified to ANSI/BHMA A156.3 2014 Grade 1 and UL listed for panic exit hardware, this device is built for schools, hospitals, and government buildings where dependable performance is essential. The device accommodates door thickness of 1-3/4" and features a 3/4" latch throw, with a center case measuring 8" x 2-3/4" x 2-3/8" and a product projection of 3-13/16".Professional Features & Benefits48" Wide Stile Coverage: Designed for 48" doors with wide stile push pad construction, ideal for high-traffic institutional applications requiring robust egress hardware.Patented XP 2-Piece Smart Latchbolt: The patented latch bolt changes shape under external force to resist attack, while providing greater and longer-lasting latch bolt to strike contact even when frames are weakened or twisted.Door Thickness Compatibility: Accommodates doors 1-3/4" thick; fasteners included for wood or metal doors 1-3/4" and 2-1/4" thick for versatile installation.Precision Latch Specifications: Features a 3/4" latch throw and a center case measuring 8" x 2-3/4" x 2-3/8" with a product projection of 3-13/16" for consistent, reliable latching performance.Field-Selectable Functions: Product function is EO/DT/NL (field selectable); for TP, K, or L functions, simply remove the NL drive screw from the device, enabling flexible configuration without additional parts.Hex Key Dogging Configuration: Standard hex key dogging allows authorized personnel to hold the latch in the retracted position for high-traffic periods, with non-handed operation for simplified installation.Industry Certifications: Certified to ANSI/BHMA A156.3 2014 Grade 1, UL listed (ANSI/UL 10C for fire-rated configurations, ANSI/UL 305), CAN/ULC-S104 (fire-rated only), and CAN/ULC-S132 for comprehensive code compliance.Broad Device Type Compatibility: The 98/99 Series platform supports rim, surface-mounted vertical rod (27), concealed vertical rod (47, 48), concealed vertical cable (49, 52), wood door concealed vertical rod/cable (47WDC, 50WDC), 3-point latching (57), and mortise lock (75) configurations.Retrofit and Upgrade Options: Compatible with CDSI/HDSI security dogging indicators, QEL electronic latch retraction, RX (request to exit) and LX (latchbolt monitoring) electronic switches, AX accessible device upgrade (certified to 5 lb. force ADA requirements), and CX CHEXIT delayed egress option meeting NFPA and IBC requirements.Technical SpecificationsProduct Group: Exit Devices and TrimSeries: 98 & 99 SeriesGrade: Grade 1Fasteners: Included for wood or metal doors 1-3/4" and 2-1/4" thickProduct Subgroup: Exit Devices - RimSubcategory: Rim Exit DevicesLatch Throw: 3/4"Product Type: Exit Devices - RimCommercial/Residential: CommercialStile Type: Wide StileCenter Case Dimensions: 8" x 2-3/4" x 2-3/8"Wood Door Compatible: NoMAP Policy: YesProduct Model: XP98/XP99-4'Product Function: EO/DT/NL (field selectable). For TP, K or L remove NL drive screw from device.Door Hand Direction: Non-HandedDoor Thickness Range: 1-3/4"Product Size: 48"Dogging Configuration: Hex Key DoggingProduct Projection: 3-13/16"Product Style: Push PadsProduct Category: Exit Devices and TrimDepartment: Door HardwareProfessional ApplicationsEducational Facilities (Schools and Universities)Healthcare Institutions (Hospitals and Medical Centers)Government and Municipal BuildingsCommercial Office BuildingsIndustrial and Warehouse FacilitiesMulti-Tenant Residential PropertiesRetail Establishments Requiring Code-Compliant EgressWhy Choose Von Duprin Quality?Von Duprin rim exit devices deliver professional-grade reliability backed by ANSI/BHMA A156.3 2014 Grade 1 certification and UL listing for panic exit hardware, ensuring compliance with the most demanding industry standards. The XP98/XP99-4 features a patented 2-piece smart latchbolt engineered to resist external attack and maintain secure contact even under frame stress, making it the trusted choice for institutional environments including schools, hospitals, and government facilities. With field-selectable functions, broad retrofit compatibility, and a comprehensive suite of upgrade options, Von Duprin engineering delivers the adaptability and durability that commercial door hardware professionals depend on.