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DG series

DG26 mortise lock ANSI/BHMA A156.13 F26 Institutional Privacy

PRODUCT / DG series

DG26 mortise lock - Institutional Privacy

The DG26 Institutional Privacy Lock is a Grade 1 mortise lock developed for commercial and institutional doors where controlled privacy is required. It complies with ANSI/BHMA A156.13 and exceeds the Grade 1 cycle requirement. Stainless steel construction throughout the lock case and internal components provides strength, durability, and resistance to corrosion. UL listed for up to 3-hour fire-rated openings.

Category
Mortise Lock
FUNCTION
ANSI BHMA A156.13 F20 Apartment Corridor Door Lock
01 / OVERVIEW

Overview

The DG26 Institutional Privacy Lock complies with ANSI/BHMA A156.13 and meets Grade 1 requirements for heavy-duty applications. Its cycle performance exceeds the Grade 1 requirement, making it suitable for doors with frequent daily operation.

Stainless steel is used for the lock case and internal components, providing resistance to corrosion, wear, and repeated use. The solid construction is suited to demanding institutional environments.

The DG26 provides privacy control for rooms and areas where unauthorized access needs to be restricted during use. The DG Series shares a common multifunction mortise lock body that supports 10 functions and fits wood or metal doors in multiple thicknesses.

UL listed for up to 3-hour fire-rated openings, the DG26 is suitable for healthcare facilities, schools, offices, government buildings, institutional facilities, and other commercial applications requiring dependable privacy control.

02 / FEATURE

Feature

Institutional Design

● Provides controlled privacy for institutional and commercial rooms.
● Compatible with various lever and trim configurations, including ADA-compliant levers.
● Fits both wood and metal doors in multiple door thicknesses.
● Supports different trim configurations for specific door requirements.

Construction

● Grade 1 mortise lock construction for demanding daily use.
● Stainless steel lock case and internal components resist corrosion and wear.
● Heavy-duty components support long-term operating performance.

Flexibility

● Common DG Series lock body supports 10 functions.
● Quick Reversible design allows handing to be changed without disassembling the lock case.
● Compatible with indicator trim, escutcheon trim, and electronic mechanisms.

Security & Privacy

● Provides reliable privacy control for institutional applications.
● Robust lock construction helps resist forced damage.
● UL listed for up to 3-hour fire-rated openings.

 

03 / FUNCTION

Function

Picture Model no. ANSI no. Function Description Lever Cylinder Thumb turn Emergency turn
DG26 mortise lock function diagram
DG26 F26 Institutional Privacy Latch by either lever unless outside lever is inside-locked. Key overrides inside hold-lock to unlock. Inside lever or closing door restores operation. Auxiliary dead latch. ✓ ✓ ✓
04 / SPECIFICATION

Specification

Door preparation ANSI/BHMA A156.115W or A156.115
Door thickness For doors 1-3/4" (44mm) to 2-1/4" (57mm) thick standard
Stile 4-1/2" (114mm) minimum stile
Backset 2-3/4" (70mm)
CTC Cylinder to lever distance 3-7/8" (98mm)
Lock case SS304, thickness 3/32"
Latch bolt SS303, A156.13 Grade 1 latch bolt projection 3/4"
Auxiliary latch bolt SS304, 3/8" projection, non-handed
Face plate SS304, ANSI/BHMA A156.115 8" × 1-1/4" × 1/16" (203 × 31.7 × 2.1mm)
Hub AISI4140 steel, high hardness
Cylinder Φ1-1/8" cylinder, C28000 brass, 6 pin, 3 keys, satin nickel face
Strike SS304, 4-7/8" ANSI curved lip strike, thickness 1/8" (3mm)
Strike box PA66
Hand Field reversible latch bolt
Finishes US32D
ANSI/BHMA ANSI/BHMA A156.13 certified Grade 1
UL listed UL/cUL 10C listed for 3 hour fire rating
05 / CONFIGURATION

Configuration

Lever options

L10 lever
L10
L17A0 lever
L17A0
L17A1 lever
L17A1
L21 lever
L21
L30A0 lever
L30A0
L30A1 lever
L30A1
L31 lever
L31
L71A0 lever
L71A0
L72 lever
L72


Healthcare lever & knob options

L80 healthcare lever and knob
L80
L82 healthcare lever and knob
L82
L83 healthcare lever and knob
L83

Thumb turn options

T52A0 thumb turn
T52A0
T52A1 thumb turn
T52A1
T53A0 thumb turn
T53A0
T53A1 thumb turn
T53A1
T59A0 thumb turn
T59A0
T59A1 thumb turn
T59A1
T60A0 thumb turn
T60A0
T60A1 thumb turn
T60A1

Cylinder details

Cylinder details
Cylinder A12

C28000 brass body, 6 pins, satin nickel face

3 pcs C26000 brass keys, nickel plated

Strike details

Strike details
ST-04A *Standard

4-7/8" (124mm) ANSI curved lip strike SS304.

1-3/16" (30mm) curved lip from center of screw holes to end of lip.

Strike box 4-3/4" × 1-1/8" × 1" (120×29×25mm), PA66

06 / DOCUMENTS

Documents

HARDWOOD product consultation support
07 / REQUEST INFORMATION

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