Factory Direct Hardware Von Duprin 9957EO26D3 - Manual (Page 20)

9857-F/9957-F Three-Point Latching Fire Device
18 © 2004 Ingersoll-Rand. May be copied for use with specification submittal.
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. See page 41 for detailed information on UL listed fire exit hardware label and
door opening size information. 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). See Opposite page for available outside trim and
device functions.
The 9857-F/9957-F devices are available in the following finishes: US3, US4, US10, US26, US26D, US28,
313AN, 315AN and US32D for the 9827-F device only. See page 52 for component finishes and the inside
cover for finish chips.
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. Refer to Page 49.
Top Latch
Bottom Latch
299F
Top & Middle
Strike
304L
Bottom Strike
499F
Rim Strike
For Mullion
Applications
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-299F–Dull Black, Bottom–304L-Unfinished
Optional Strikes – see page 39
Dogging Feature No Mechanical Dogging, EL option available
Electric Options LX Latchbolt Monitor Switch see page 42
RX Pushpad Monitor Switch see page 42
RX2 Double Pushpad Monitor Switch see page 42
EL Electric Latch Retraction see page 43
SS Signal Switch see page 43
CX Chexit Delayed Exit see page 45
ALK Alarm Exit Kit see page 42
Miscellaneous Options PN Pneumatic Latch Retraction see page 48
GBK Glass Bead Kit see page 49
Fasteners & Includes 1 ³ ₄" (19mm) – 2 ¹ ₄" (57mm) Wood & Metal Doors
Sex Bolts (SNB) SNB furnished for top & bottom latches
Optional SNB available for device, see next page for quantities
Optional SLM Blocking Pkg for wood doors with SLM blocking
SNB required for wood doors, unless SLM Blocking Pkg specified
Latch Bolt Deadlocking Anti-friction Top & Bottom Bolt, ⁵ ₈" (16mm) throw
Deadlocking Rim Bolt, ³ ₄" (19mm) throw
Device Centerline from 39 ¹³ ₁₆" (1011 mm)
Finished Floor
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 ₄" (794mm)
Extension rods available, 1’ (205mm) or 3’ (914mm) for doors over 7’
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)
See page 53 for How to Order specification