Sargent 28-11G05 LB Entrance or Office T-Zone Cylindrical Lever Lock

Sargent 28-11G05 LB Entrance or Office T-Zone Cylindrical Lever Lock

Function Description: Entrance or Office lock - ANSI F81
• Deadlocking latch
• Latchbolt by either lever unless outside lever is locked by turn button in inside lever
• Turn button must be released manually
• Key only retracts latchbolt when outside lever is locked

Door Prep: ANSI/BHMA A156.115 (161)

Door Thickness: 1-3/4" to 2" (44mm to 51mm) thick doors standard
Specify 31- option for doors 2-1/4" to 2-1/2" (57mm x 64mm) centered in door prep, no paneling.
Consult factory for other door thicknesses available by special application. Not available for 1-3/8" (35mm) thick doors

Backsets: 2-3/4" (70mm) standard 3-3/4" (95mm) backset (specify 23- Option) 5" (127mm) backset 

Bearing Assembly: Cast and machined stainless steel

Front: Wrought brass, bronze or stainless steel 2-1/4" x 1-1/8" (57mm x 29mm)
Self-adjusting for flat to 1/8" (3mm) in 2" (51mm) bevel

Strike: Wrought brass, bronze or stainless steel 800 curved lip strike standard 808 ANSI
curved lip strike (specify 28- Option) Wrought box strike

Hand: Non-handed

Levers: Secured with 6 lobe security set screw standard 6 Lobe tool packed with each lock

Roses: Heavy wrought brass, bronze or stainless steel

Latchbolt: Stainless steel bolt 7/8" (22mm) dia. x 1/2" (13mm) throw Optional: Brass 3/4" (19mm)
throw deadlocking fire latch for pair of doors 

Cylinder: Brass, 6-pin LA keyway, 1-bitted standard, specify KD for keyed different/random

Keys: Two nickel silver change keys per lock standard

Masterkeying: Can be masterkeyed or grand masterkeyed Construction key systems available

Finishes: 03, 04, 09, 10, 10B, 10BE, 10BL, 14, 15, 20D, 26, 26D, BSP, WSP

Minimum Stile: 4-1/4" (108mm) with B and O roses 4-1/2" (114mm) with E and L roses

Warranty: Ten-year limited

T-Zone Construction
Direct linkage with fixed alignment between the hub and the latchbolt is the best construction for quietly and effectively operating the latchbolt. For this reason, SARGENT developed the interlocking aligning and latch tubes, which form a rugged torque resistant “T” in the critical twist area. This “T-Zone” construction, combined with long lasting components, makes 11 Line bored lock outstanding!

Strength & Durability
• UL Cycle above and beyond test completed at 7.6 Million Cycles
Verification ID: V584148
• True interlocking between the cast/ machined stainless steel lockbody and latchbolt provides strength and durability
• Independent Testing proves:
– Exceeds ANSI/ BHMA A156.2 Grade 1 standard for cycle testing. Verified by UL for Operational Cycling (V584148) at 7 Million Cycles.
– Exceeds ANSI/ BHMA A156.2 Grade 1 torque force on a locked lever. Over 3000 in/lbs!
– Virtually no lever sag ever

Certification/Compliance

ANSI/BHMA: Certified ANSI/BHMA A156.2 (2017) Series 4000 — Grade 1 Certified ANSI/BHMA A156.41

UL/cUL: UL/cUL listed to US and Canadian safety standards for 3 hour doors up to 4' x 10' (double doors require 41- option)

NFPA 80: Conforms for life safety and property protection, Standard for Fire Doors and Other Opening Protectives

Positive Pressure: Meets ANSI/UL 10C, Positive Pressure Fire Test of Door Assemblies

ADA: All levers conform to ADA clear opening width requirements of ANSI A117.1

California State Reference Code (Formerly Title 19, California State Fire Marshal Standard): All levers with returns comply; levers return to within 1/2" (13mm) of door face

Windstorm/Hurricane: All individual components of a total door opening are required to comply with each code.

Any retrofit or other field modification to a fire rated opening can potentially impact the fire rating of the opening, and Sargent Manufacturing Company makes no representations or warranties concerning what such impact may be in any specific situation. When retrofitting any portion of an existing fire rated opening, or specifying and installing a new fire-rated opening, please consult with a code specialist or local code official (Authority Having Jurisdiction) to ensure compliance with all applicable codes and ratings.

Windstorm Certifications: Florida Building Codes & UL Listings SARGENT Manufacturing’s products meet building codes that require hurricane and windstorm certifications, including some of the most stringent building codes as specified in the Florida Building Code, Miami Dade Code and the International Building Code. Listed below are certifications and standards met by the 11 Line lock.

Florida Building Code: FL2998 UL Certification Directory: ZHEM.R21744 – Latching Hardware.

Model: Sargent 28-11G05 LB 26D, 28-11G05 LB 3, 28-11G05 LB 4, 28-11G05 LB 10, 28-11G05 LB 10B, 28-11G05 LB 26