Von Duprin 9857EO-F/9957EO-F Three-Point Latching Fire Touch Bar Exit Device

9857-F/9957-F fire exit three-point latching device for all types of single doors up to 4´ x 8´ (1219mm x 2438mm) or up to 8´ x 8´(2438mm x 2438mm) double doors with 9954 or 9854 mullion, UL listed for Fire Exit Hardware. Devices are ANSI A156.3 – 2001 Grade 1. The 9857-F device has a smooth mechanism case and the 9957-F device has a grooved case. The three-point latch device is non-handed except when the following device option is used: SS (Signal Switch).

 

Vertical rod and latch guards are available to protect the bottom rod of the exit device from damage by impacts of carts or gurneys passing through doors.

The 9857-F/9957-F devices are available in the following finishes: US3, US4, US10, US26, US26D, US28 and 313AN. US32D available with 98 Series only.

Specifications

• Device Functions: Device ships EO/DT/NL. Field selectable. For TP,K,or L remove NL drive screw from device
• Device Lengths: 3’: 2’4" to 3’ (711mm to 914 mm) Door Size; 4’: 2’10" to 4’ (864 mm to 1219 mm) Door Size
• Strikes: Top & Middle-299–Dull Black, Bottom–248L4 & 304L-Unfinished; Optional Strikes available
• Dogging Feature: No Mechanical Dogging, EL and QEL options available
• Electric Options: LX Latchbolt Monitor Switch; RX Pushpad Monitor Switch; RX2 Double Pushpad Monitor Switch; EL Electric Latch Retraction; SS Signal Switch; CX Chexit Delayed Exit; ALK Alarm Exit Kit; E Electric Unlocking and Locking Trim
• Mechanical Options: PN Pneumatic Latch Retraction; LBR Less Bottom Rod; GBK Glass Bead Kit
• Fasteners & Sex Bolts (SNB): Includes screw pack for 1-3/4 (44mm) – 2-1/4" (57mm) Thick Metal and Wood Doors, and 325 SNB for top & bottom latch. Optional 425 SNB available for metal doors. 425 SNB required on wood doors without SLM Blocking.
• Latch Bolt: Deadlocking Anti-friction Top & Bottom Bolt, 5/8" (16mm) throw; Deadlocking Rim Bolt, 3/4" (19mm) throw
• Device Centerline from Finished Floor: 39-13/16" (1011 mm)
• Door Undercut: 1/4" (7mm)
• Center Case Dimensions: 8" x 2-3/4" x 2-3/8" (203mm x 70mm x 60mm)
• Mechanism Case Dimensions: 2-1/4" x 2-1/4" (57mm x 57mm)
• Top & Bottom Latch Case: 4-1/2" x 2-1/8" x 1-1/2" (114mm x 54mm x 38mm);
• Vertical Rods: 1/2" square tubing, standard rods accommodate 7’ (2134mm) door; Top rod length is 34-15/16" (887mm); Bottom rod length is 31-1/2" (794mm); Extension rods available, 1’ (205mm) or 3’ (914mm) for doors over 7’ "F"; One piece top rod available for 8’ (2438mm) – 10’ (3048mm) door
• Projection: Pushbar Neutral – 3-13/16" (97 mm); Pushbar Depressed – 3-1/16" (78 mm)