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SL1/SK1 Ligature-resistant Trims

Using the L Series chassis with smooth, tapered levers or knobs and concealed fasteners, these trim options are available in 22 mechanical and 9 electrified functions.

 

Looking for more information? Connect with an Allegion team member for help.

Overview

SL1 (lever) and SK1 (knob) trims are specifically designed with multiple safety facets including recessed trim, sloped surfaces and concealed fastening hardware to reduce the risk of injury or death due to ligature strangulation in hospitals, behavioral health facilities and detention centers. Optional key override adds an anti-barricade safety feature on four functions helping prevent self-harm situations by allowing the key to override a  thumbturn being held in a locked position. 

Ideal for use on:    

  • Low- to medium-risk behavioral health facility doors
  • Hospital room doors
  • Detention center doors
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Mechanical Locks

For frequently asked questions, educational resources and technical product materials visit the Mechanical Locks 101 page. 

Security

  • Ligature-resistant designs positively contribute to healing environments - lever style is also ADA compliant 
  • Tested and certified to ANSI/BHMA Grade 1 operational and security standards
  • UL listed for 3-hour fire door; spring-loaded fusible link inside lock case provides fail secure mode in case of fire   
  • Available lead lining for use in X-ray or other rooms with radiation concern
  • Deadbolt functions include anti-saw pin in bolt to prevent cut-through
  • Lock monitoring options include request to exit (RX), latchbolt (LX), door postion (DPS), and deadbolt (DM) (availability varies by function)
  • Patented Everest 29™ S123 keyway is provided standard which prohibits unauthorized key duplication 
  • Restricted geographically exclusive Primus upgraded security options offer advanced key control and exceptional physical security

 

Aesthetics

 

Functions

  • 22 keyed and non-keyed functions
  • Four mechanical functions offer optional key override of the inside thumbturn when it is being held in the locked position to stop unwanted barricade situations
  • Nine SK1/SL1 electrified ligature-resistant trim functions (see separate web page for details)

 

Built to Last

  • Two piece anti-friction tongue in latch bolt reduces wear
  • Breakaway spindle keeps door secured in the event of vandalism
  • Every Schlage lock undergoes intensive testing to determine its ANSI grade level including: cycle, resistance, door impact, warped door and bolt strength tests 

Non-keyed functions

  • L9010 Passage latch (ANSI F01)
  • L9040 Bath/bedroom privacy lock (ANSI F22)
  • L9440 Privacy with deadbolt

 

Keyed non-deadbolt functions

Single cylinder

  • L9050 Entrance/office lock (ANSI F04)
  • L9056 Entrance/office lock with automatic unlocking and optional key override feature
  • L9070 Classroom lock (ANSI F05)
  • L9076 Classroom holdback lock (ANSI F06)
  • L9080 Storeroom lock (ANSI F07)

Double cylinder

  • L9060 Apartment entrance lock (ANSI F09)
  • L9066 with XL11-897 Store lock 
  • L9071 Classroom security lock (ANSI F32)
  • L9077 Classroom security holdback lock
  • L9082 Institution lock (ANSI F30)

 

Keyed deadbolt functions

Single cylinder

  • L9453 Entrance/office lock with deadbolt (ANSI F20)
  • L9456 Corridor lock with deadbolt (ANSI F13) and optional key override feature
  • L9465 Closet/storeroom lock
  • L9473 Dormitory/bedroom lock (ANSI F21)
  • L9480 Storeroom lock with deadbolt and optional key override feature
  • L9485 Faculty/hotel restroom lock with deadbolt and optional key override feature

Double cylinder

  • L9457 Classroom security lock with deadbolt (ANSI F33)
  • L9458 Classroom security lock with deadbolt and auxiliary latch(ANSI F34)
  • L9466 Utility room/storeroom lock (F14)

 

Electrified

 

Optional key override is a safety feature, available on four functions, that allows the outside key to retract the deadbolt and/or latchbolt, depending on function, to override the inside thumbturn when it is being held in the locked position. 

Chassis

  • Case: Cold Rolled Steel (CRS) with corrosion resistant zinc dichromate plating
  • Case size: 4-7/16" x 6 1/16" x 1" (113 mm x 154 mm x 25 mm)
  • Spacing: knob or lever to cylinder 3-7/8" (98 mm); knob or lever to thumbturn hub 2-11/16" (68 mm)
  • Door thickness: 1-3/4" (44 mm) standard
  • Field reversible handing

 

Trim Options 

  • Lever and knob designs made of Stainless Steel  
  • Dimensions: SL1 3-7/32" x 6-1/8" x 3-1/8" (83 mm x 155 mm x 80 mm); SK1 3-3/16" x 3-3/16" x 2-5/16" (81 mm x 81 mm x 58 mm); thumbturn 2-11/16" x 2-11/16" x 1-3/32" (69 mm x 69 mm x 28 mm)                   
  • Available 1/8" thick lock case lead lining option for use in X-ray or other rooms with radiation concern

 

Latches

  • Backset: 2-3/4" (70 mm) only
  • Armor: Standard - 1-1⁄4" x 8" x 7⁄32" (32 mm x 203 mm x 6 mm); Optional - 1-1⁄16" x 8" x 7⁄32"  (27 mm x 203 mm x 6 mm) 
  • Deadbolt: 1" (25 mm) throw stainless steel
  • Latch: 3⁄4" (19 mm) throw stainless steel with anti-friction tongue
  • Strike: ANSI curved lip strike 1-1⁄4" x 4-7⁄8" (32 mm x 124 mm) standard; dust box included
  • Strike lip length: 1-3⁄16" (30 mm); optional extended lip strikes - 7⁄8", 1", 1-1⁄2", 1-3⁄4", and 2"  

ANSI/BHMA

  • ANSI/BHMA A156.13-2017 Series 1000, Grade 1 operational and security 
  • With FSIC interchangeable core cylinders: Grade 1 operational, Grade 2 security
  • With SFIC interchangeable core cylinders: Grade 1 operational, Grade 3 security

 

ICC

  • Complies with ICC A117.1 Accessible and Usable Buildings and Facilities (lever only)          

 

UL/cUL

  • UL 10C and CAN/ULC-S104 listed 3-hour fire door (except L9076 and L9077)
    • A label single doors, 4' x 10' and pairs 8' x 10'        
    • Letter F and UL symbol on latch front indicate listing
  • UL 437 listed when using Primus high-security UL 437 cylinder

 

Windstorm

  • Miami-Dade NOA and Florida Building Commission listings
  • Texas Department of Insurance (TDI) for impact and non-impact applications

 

BAA/TAA

  • Meets BAA (Buy American Act)

Mortise lock and cylinder front housing finishes

Finishes

630 Satin stainless steel

Finishes

630AM Satin stainless steel with antimicrobial coating

Key cylinder, plug and core face finishes

Finishes

626 Satin chrome

Open keyways upgradeable to Primus RP

 

Patented keyways upgradeable to Primus XP

  • Everest 29™ S keyways include S123 (default keyway)
  • Everest 29™ T restricted keyways 
  • Everest 29™ R restricted keyways as SL cylinders in conventional or FSIC formats with the same A2 pinning style of an SFIC cylinders
  • Everest 29™ keyways gain restricted, geography exclusivity in a Primus XP cylinder
  • Available in Conventional and FSIC cylinder formats

 

Small Format Interchangeable Cores (SFIC)

  • Everest 29™ R restricted keyway family

 

Master Keying

  • Factory master keying available

Need Replacement Parts?

Get the resources you need to get in touch with an Allegion team member for Schlage replacement parts.

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Additional Resources

Did You Know?

Carrying on the legacy of the groundbreaking push-button lock, Schlage changed the game again with its descendent in 2019—the ALX Series. This series features a patent-pending chassis and revolutionary new modular design.

Allegion Insights

Understanding ligature risks in health care facilities

Patients seeking help for mental health or behavioral issues are often vulnerable and in need of a safe place for treatment. Beyond medical attention, this includes treatment spaces that promote a healthy, restorative environment while limiting opportunities for strangulation and other forms of self-harm.

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