• The highest level of ligature resistance featuring Paperclip Protection.
  • Meets BHMA 156.34 Ligature Resistant Trim Standard.
  • Compatible with any standard mortise cylinder (must be ordered with appropriate cam).
  • US26D/US32D finish standard, anti-microbial plating available.
  • Supplied with Torx® Security Screws.





CH 9124ML Dormitory


  • Latch bolt by handle either side unless deadbolt is thrown, in which case outside handle becomes rigid.
  • A turn of inside handle retracts latch and deadbolt simultaneously, automatically unlocking outside handle.
  • Deadbolt by key outside.

CH 9125ML Passage


  • Latch bolt by handle either side.

CH 9143ML Institutional Privacy


  • Latch bolt by handle either side unless outside handle is locked by thumb turn.
  • Thumb turn locks or unlocks outside handle.
  • Key will not retract latch as an override. Clutch* on inside thumb turn required to enable key to unlock the outside handle if inside thumb turn forcibly held.
  • Outside handle unlocks when inside handle is turned or door closes.
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CH 9143E-ML Institutional Privacy


  • Latch bolt by handle either side unless outside handle is locked by thumb turn.
  • Thumb turn locks or unlocks outside handle.
  • Emergency release locks or unlocks outside handle.
  • Clutch* on inside thumb turn required to enable emergency release to unlock the outside handle if inside thumb turn forcibly held.
  • Outside handle unlocks when inside handle is turned or door closes.
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CH 9143i-ML Institutional Privacy with Occupancy Indicator


  • Same operation as 9143 Institutional Privacy except outside plate has an occupancy indicator.

CH 9144ML Institutional Privacy


  • Latch bolt by handle either side unless outside handle is locked by thumb turn.
  • Thumb turn locks or unlocks outside handle.
  • Key will not retract latch as an override. Clutch* on inside thumb turn required to enable key to unlock the outside handle if inside thumb turn forcibly held.
  • Outside handle unlocks when inside handle is turned (closing door will not unlock outside handle).
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CH 9144E-ML Institutional Privacy


  • Latch bolt by handle either side unless outside handle is locked by thumb turn.
  • Thumb turn locks or unlocks outside handle.
  • Emergency release locks or unlocks outside handle.
  • Clutch* on inside thumb turn required to enable emergency release to unlock the outside handle if inside thumb turn forcibly held.
  • Outside handle unlocks when inside handle is turned (closing door will not unlock outside handle).
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CH 9144i-ML Institutional Privacy with Occupancy Indicator


  • Same operation as 9144 Institutional Privacy except outside plate has an occupancy indicator.

CH 9145ML Classroom


  • Latch bolt by key outside and handle either side unless outside handle is locked by key.

CH 9145S-ML Classroom Security


  • Latch bolt by handle either side unless outside handle is locked by key outside or inside.
  • When locked, latch bolt retracted by key inside or outside or handle inside.
  • Inside handle is always free.
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CH 9146ML Classroom Double Locking


  • Latch bolt by key from either side.
  • Key from either side locks and unlocks outside and inside handles.*
  • *Verify code compliance before specifying this function.
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CH 9153ML Entrance


  • Latch bolt by key outside and handle either side unless outside handle is locked by thumb turn or key.
  • Thumb turn locks or unlocks outside handle.
  • Key will not retract latch as an override. Clutch* on inside thumb turn required to enable key to unlock the outside handle if inside thumb turn forcibly held.
  • Operating inside handle will not unlock outside handle if locked.
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CH 9158ML Institutional or Asylum


  • Latch by key either side.
  • Inside and outside handle always rigid.*
  • *Verify code compliance before using this function.
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CH 9159ML Storeroom


  • Latch by handle inside and key outside.
  • Outside handle always rigid.

CH 9160ML Asylum with Deadbolt


  • Latch by key either side. Deadbolt by key either side (key projects deadbolt and retracts latch bolt and deadbolt).
  • Inside and outside handle always rigid.*
  • *Verify code compliance before using this function.
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Click on a swatch below to get a closer look
  • US26D
    Satin Chrome
  • US32D
    Satin Stainless Steel
US26D
Satin Chrome





How to Specify


Function. Backset. Trim.