Corbin Russwin Institution Gra...
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$1,421.06
$831.23
Corbin Russwin Institution Grade 1 or Utility Mortise Lock, LW Lever, A Rose

Corbin Russwin Institution Grade 1 or Utility Mortise Lock, LW Lever, A Rose

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Model: ML2032-LWA-626
From the ML2000_Series Collection
$1,421.06
$831.23
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Selected Lever Type is
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,421.06
$831.23
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Corbin Russwin ML2032 Institution & Utility Mortise Lock with LW Lever, A Rose, Grade 1, Field Reversible

Commercial-Grade Institution & Utility Mortise Lock for High-Traffic Security Applications

The Corbin Russwin ML2032 is a Grade 1 Institution & Utility Mortise Lock from the ML2000 Series, engineered for demanding commercial, institutional, industrial, and government environments. Constructed of heavy-gauge steel with a 1" stainless steel deadbolt and Corbin Russwin's patented Quick Reversible latchbolt, this mortise lock delivers life safety and security in a single door prep. Designed for 1-3/4" (44mm) standard door thickness with a field-reversible handing feature, the ML2032 pairs an LW lever with an A Rose trim and includes an ANSI straight lip standard strike measuring 4-7/8" (124mm) x 1-1/4" (32mm) x 1-1/8" (29mm) lip to center. ANSI function F19 governs its operation, making it a trusted solution for offices, schools, hospitals, hotels, and other high-use facilities.

Professional Features & Benefits

  • ANSI/BHMA Grade 1 mortise lock per A156.13 Series 1000, Operational and Security Grade 1
  • UL Cycle above and beyond: 14.5 Million Cycles (Verification ID: V875753)
  • Patented Quick Reversible latchbolt — reverse handing without disassembling the lock case
  • Multi-function capability: 12 functions configurable from one ML2054 lockbody
  • Heavy-gauge steel lockcase 5-7/8" x 4" x 15/16"; 1" stainless steel deadbolt, 1" throw
  • 3/4" (19mm) throw anti-friction two-piece latchbolt requires less force to close
  • Wide variety of trim designs including Muséo®, Vineyard™, Behavioral Health (BHSS/BLSS)
  • Status indicator options for locked/unlocked visibility (sectional and escutcheon trim)
  • Motorized Electric Latch Retraction (MELR) available for ML20900 series
  • Thru-bolted trim designs for proper alignment and increased security
  • Can be used with new or existing Corbin Russwin key systems; accepts most other manufacturers' cylinders
  • UL/cUL listed, UL10C positive pressure; 3-hour fire door up to 4' x 10' single or 8' x 10' pair
  • Ten-year mechanical warranty; five-year MELR; two-year electrical

Technical Specifications

  • Grade: ANSI/BHMA A156.13 Series 1000, Operational and Security Grade 1
  • Handing: Handed; quick reversible — re-handed without disassembling the lock case
  • Door Thickness: 1-3/4" (44mm) standard; optional thicknesses available
  • Backset: 2-3/4" (70mm)
  • Lockcase: Heavy-gauge steel, 5-7/8" (149mm) x 4" (102mm) x 15/16" (24mm)
  • Armored Front: Wrought brass, bronze, or stainless steel, 8" x 1-1/4"
  • Latchbolt: 2-piece mechanical with anti-friction insert, 5/8" x 1" x 3/4" (19mm) throw
  • Auxiliary Latchbolt: 9/16" (14mm) effective throw; deadlocking
  • Deadbolt: One-piece stainless steel, 19/32" x 1-1/4" x 1" (25mm) throw
  • Strike: Wrought brass, bronze, or stainless steel, ANSI straight lip, 4-7/8" x 1-1/4" x 1-1/8" lip to center
  • Cylinder: Brass, 6-pin L4 keyway, 0-bitted standard
  • Spacing: C. to c. knob/lever to cylinder: 3-5/8" (92mm); knob/lever to thumbturn: 2-7/16" (62mm)
  • Certifications: ANSI/BHMA A156.13 Grade 1; UL/cUL UL10C 3-hour positive pressure; ADA A117.1; California State Fire Marshal; Windstorm/Hurricane certified
  • Warranty: Ten-year mechanical; five-year MELR; two-year electrical

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities and Schools
  • Healthcare Institutions and Hospitals
  • Hotel and Hospitality Properties
  • Government and Municipal Buildings
  • Industrial and Institutional Facilities
  • Multi-Tenant Residential and Mixed-Use Properties

Tamper-Resistant Design

The ML2000VR (Vandal Resistant) Series variant features vandal-resistant stainless steel escutcheons with tapered edges and Torx® pin tamper-resistant screws, providing a robust barrier against abuse and unauthorized manipulation in high-traffic or high-risk environments.

Why Choose Corbin Russwin Quality?

Corbin Russwin ML2000 Series mortise locks are built to the highest commercial standards, with heavy-gauge steel construction, a 1" stainless steel deadbolt, and a UL Cycle test result of 14.5 Million Cycles (Verification ID: V875753) that far surpasses industry benchmarks. The ML2032 is backed by a 10-year warranty and carries a Grade 1 rating, ensuring dependable performance in the most demanding institutional, commercial, and government applications. With patented Quick Reversible technology, broad cylinder compatibility, and a full range of trim and finish options, Corbin Russwin delivers the versatility and reliability professionals require.

Manufacturer Resources

Corbin Russwin Condensed Catalog

Product Specs

Subcategory:
Mortise Locks
Product Group:
Mechanical Locks
Series:
ML2000 Series
Grade:
Grade 1
Keyed Function:
Keyed
Standard Latch:
3/4" Latchbolt
Standard Strike:
ANSI straight lip standard, 4-7/8" x 1-1/4" x 1-1/8"
Product Subgroup:
Mortise Locks and Trim
Product Type:
Mortise Locks
Keyed:
Yes
Commercial/Residential:
Commercial
Lock Type:
Mortise
Lock Function:
Institution
Segment:
Door Hardware
Product Attribute:
Mortise Locks
Electronic:
No
Product Model:
ML2020
Collection:
ML2000_Series
Product Function:
Asylum/Institution/Utility
Door Hand Direction:
Field Reversible
Door Thickness Range:
1-3/4"
Product Category:
Mechanical Locks
Department:
Door Hardware

Corbin Russwin ML2032-LWA-626 – Frequently Asked Questions

1) What does the ANSI F19 institution function on the Corbin Russwin ML2032 actually do?
F19 is the institution/utility function: the ML2032 is locked from both sides at all times, and the key is required on either side to retract the latchbolt. There is no free egress from inside, which is why it goes on utility rooms, mechanical spaces, and controlled institutional openings rather than on rooms people occupy. It also carries a 1 inch stainless steel deadbolt with a 1 inch throw, thrown and retracted by key. Because both sides are always locked, check your egress requirements for the opening before specifying it.
2) Will the ML2032 mortise lock fit a 1-3/4 inch commercial door with a 2-3/4 inch backset prep?
That is exactly what it is built for. Standard door thickness is 1-3/4 inch (44mm) with a 2-3/4 inch (70mm) backset, and the lockcase measures 5-7/8 x 4 x 15/16 inches with an 8 x 1-1/4 inch armored front. Optional thicknesses are available if your door is heavier than standard. Center to center, lever to cylinder is 3-5/8 inches and lever to thumbturn is 2-7/16 inches, so an existing ANSI mortise pocket with those hole centers takes it directly.
3) Do I have to order the ML2032 handed, or can I re-hand it on site?
Order it and re-hand it in the field. The Quick Reversible latchbolt lets you reverse handing without opening the lock case, so one lock covers left and right hand openings. For a property manager buying spares across a building, that means a single stocked lock body instead of two.
4) Can I put the ML2032 on a 3-hour fire rated door?
Yes. The ML2000 Series is UL/cUL listed to UL10C positive pressure and rated for 3-hour fire doors up to 4' x 10' single or 8' x 10' pair. It is also ANSI/BHMA A156.13 Series 1000 Grade 1 for both operational and security, meets ADA A117.1, and carries California State Fire Marshal and windstorm/hurricane certification.
5) Will the ML2032 latch into the strike already in my frame?
It ships with an ANSI straight lip strike, 4-7/8 x 1-1/4 inches with 1-1/8 inch lip to center, in wrought brass, bronze or stainless. The latchbolt throws 3/4 inch (19mm) and the auxiliary deadlatch has a 9/16 inch effective throw. If your frame already has a standard 4-7/8 inch ANSI strike prep, the supplied strike drops into it; a non-ANSI or T-strike frame needs the pocket reworked.
6) Can I key the ML2032 into my existing master key system?
It works with new or existing Corbin Russwin key systems and accepts most other manufacturers' cylinders, so you can bring it onto a system you already run. As supplied the cylinder is brass, 6-pin, L4 keyway, 0-bitted, which means it comes uncombinated for your locksmith to pin to your system.
7) Is the ML2032 the right lock for a classroom or an office door?
No. F19 institution function keeps both sides locked and key-only, which is wrong for a room people are inside. For a classroom, look at the Cal-Royal NM8070 Grade 1 classroom mortise lockset or the TownSteel FME-2000 Grade 1 classroom mortise with RFID. For an office or entrance opening, the Cal-Royal NM8050 Grade 1 office/entrance mortise with auxiliary deadlatch is the closer match, and the Accentra 8805FL is a Grade 1 storeroom function if you want outside always locked with free egress.
8) What ligature-resistant mortise lockset should a behavioral health unit use instead of a standard Corbin Russwin ML2032?
The Corbin Russwin ML2032 is a Grade 1 institution mortise lock with an LW lever and A rose, which is a conventional lever trim. Where the room requires anti-ligature trim, the TownSteel MRX-L-01 is a Grade 1 heavy duty stainless steel anti-ligature lever mortise lockset with a passage function for 1-3/4 inch doors, the MRX-A-01 is the same passage lockset with satin stainless ligature-resistant arch trim, and the Marks USA 5PDN is a Grade 1 hospital passage mortise push/pull paddleset that is ligature resistant and ADA compliant in satin stainless steel. All three are passage function, so they secure nothing - use them only on openings that do not need keying.
9) What should be used instead of a Corbin Russwin ML2032 when the mortise lock has to be electrically controlled from an access control panel?
The ML2032 is a mechanical Grade 1 institution lock with no electrified option in its own configuration. For panel-controlled openings on a mortise prep, the Command Access ML190 is a heavy-duty motorized mortise lock with field selectable electrically locked or electrically unlocked operation on 24VDC, the BEST 45HW is a heavy duty wired electromechanical mortise lock running 12V or 24V, and the Schlage L9092EU with 03A trim is a heavy duty corridor-function mortise lock for 1-3/4 inch doors with a keyed outside lever, request to exit, and 12/24VDC operation.
10) What is the closest Grade 1 mortise storeroom lock to use instead of the Corbin Russwin ML2032 when the opening does not need the ML2032's institution function?
The Corbin Russwin ML2032 is a Grade 1 mortise lock with an institution function, meaning key operation is required on both sides. If the opening only needs a secured outside lever with free egress, the Accentra 8805FL is a Grade 1 mortise lock in the 8800 Series with a storeroom function and an Arcadia lever, and the Cal-Royal NM8080 is a Grade 1 storeroom mortise lockset for 1-3/4 inch doors with an interchangeable core option. Both replace the double-keyed operation of the ML2032 with a fixed-locked outside lever.
11) Which mortise locks look like substitutes for the Corbin Russwin ML2032 but are not keyed locks at all?
Several mortise units share the same case prep family but have no cylinder. The Corbin Russwin ML2032 is a keyed institution lock. By contrast, the Falcon MA101 is a Grade 1 heavy duty mortise passage lock, the Schlage PM010 is a Grade 1 non-keyed passage latch mortise lock for 1-3/4 inch doors, the Hager 3810S and 3810E are 3800 Series passage mortise locks with a 2-3/4 inch backset in rose and escutcheon trim respectively, and the Schlage L0170 is a Grade 1 non-keyed half dummy trim. None of these will secure the opening the way the ML2032 does.
12) If the facility wants keypad or credential access rather than a key, what electronic mortise lock replaces a Corbin Russwin ML2032?
The ML2032 is a mechanical lock with no electronic operation. For credential-based access on a mortise prep, the Alarm Lock DL3500CR is a Grade 1 Trilogy electronic mortise lock with 300 user codes and classroom function for 1-5/8 to 1-7/8 inch doors, the Schlage CO-100-MS is a Grade 1 heavy duty standalone electronic mortise lock with a keypad reader for 1-3/4 inch doors, and the TownSteel FME-2000 is a Grade 1 heavy duty classroom mortise lockset with RFID for 1-3/4 inch doors. Confirm door thickness first, since the Alarm Lock range does not include 1-3/4 inch as the ML2032 does.
13) Can a Baldwin 6310 mortise lock body be used in place of a Corbin Russwin ML2032?
Not in the same prep. The Corbin Russwin ML2032 uses a 2-3/4 inch backset in a 5-7/8 by 4 by 15/16 inch heavy-gauge steel case for 1-3/4 inch doors. The Baldwin 6310 entry/storeroom mortise lock body is a 2-1/2 inch backset unit for doors 1-3/8 inch and over, and the Baldwin 6301 entry/apartment body is also 2-1/2 inch backset for doors 1-3/4 inch and over. The 2-1/2 inch backset puts the cylinder and lever at a different position in the door, so these are not drop-in for an ML2000 pocket.
14) Do any alternatives to the Corbin Russwin ML2032 add an intruder or lockdown function?
The ML2032 is an institution and utility function keyed from both sides, which is not a one-motion lockdown. For lockdown behavior, the BEST 45HCA heavy duty mortise lockbody carries an intruder function, and the TownSteel FME-4000 is a Grade 1 heavy duty electronic intruder classroom mortise lockset with RFID for 1-3/4 inch doors. Both let the room side secure the opening without the teacher or staff member stepping into the corridor.
15) What lever and rose does the ML2032 come with, and what finish?
The configuration here is the LW Lustra wrought lever on an A Rose, 2-1/4 inch diameter, in 626 satin chrome. Trim is thru-bolted for alignment and security. The wider ML2000 trim program includes Museo, Vineyard, and Behavioral Health (BHSS/BLSS) designs plus status indicator options on sectional and escutcheon trim if the opening calls for something other than the plain rose.
16) How durable is the ML2032 for a high traffic institutional opening?
It tested to 14.5 million cycles under UL cycle testing (Verification ID V875753), against a Grade 1 requirement of one million. The case is heavy gauge steel, the deadbolt is one-piece stainless, and the two-piece latchbolt carries an anti-friction insert so the door closes with less force, which matters on doors with closers that get slammed all day.
17) If I standardize on the ML2000 Series across a building, can I change functions later without buying new lock bodies?
To a point, yes. The ML2000 multi-function lockbody covers 12 functions from a single ML2054 body, so a facility that stocks that body can reconfigure openings as use changes instead of carrying a separate lock for every function. All of it shares the same 2-3/4 inch backset and 1-3/4 inch door prep, so the door itself does not change.
18) My doors are 1-5/8 to 1-7/8 inch. Will this Corbin Russwin mortise lock work?
The ML2032 is specified at 1-3/4 inch standard, with optional thicknesses available on request, so it is not a drop-in across that whole range as catalogued. Locks built for a 1-5/8 to 1-7/8 inch range include the Alarm Lock Trilogy DL2700CR and DL3500CR Grade 1 classroom electronic mortise locks and the DL4500 electronic mortise deadbolt. For doors 1-3/4 inch and over, the Baldwin 6301 entry/apartment mortise body is rated to that range, though on a 2-1/2 inch backset rather than 2-3/4.
19) Is a Sargent 7925 an equivalent to the Corbin Russwin ML2032?
They are both Grade 1 mortise locks, but they do different jobs. The Corbin Russwin ML2032 carries an institution and utility function and includes a 1 inch stainless steel deadbolt within the ML2000 Series case. The Sargent 7925 is a heavy duty Grade 1 mortise lock in the 7900 Series with a corridor/dormitory exit function, rose trim, and a single cylinder deadbolt. Choose the 7925 where the door needs dormitory exit behavior with an inside thumbturn-style release, and the ML2032 where both sides are to be key controlled.
20) What is the simpler option if all the opening needs is the deadbolt portion of a Corbin Russwin ML2032?
The ML2032 combines a 3/4 inch throw anti-friction latchbolt with a 1 inch throw stainless steel deadbolt in one case. If the door has separate hardware handling the latching and only needs a mortise deadbolt, the Sargent 4874 is a double cylinder mortise deadbolt in the 4870 Series on the same 2-3/4 inch backset as the ML2032, and the Kaba Ilco 185 Series is a deadbolt-function mortise lock supplied with no handing. Neither of these provides lever operation.
21) Which other heavy duty mortise lock bodies are field reversible like the Corbin Russwin ML2032?
The ML2032 uses a patented Quick Reversible latchbolt so handing is changed without disassembling the lock case, and it is catalogued as field reversible. Among other heavy duty mortise bodies, the BEST 45H public entrance lockbody is described as field reversible, and the Falcon MA101 Grade 1 heavy duty mortise passage lock is also field reversible. The BEST 45HCA intruder-function lockbody covers an opening where the room side must be lockable against the corridor.
22) For a restroom or patient bedroom, what mortise lock is chosen over a Corbin Russwin ML2032?
The ML2032 is a keyed institution lock and is not a privacy function. For bed and bath openings, the Cal-Royal NM8440 is a Grade 1 heavy duty privacy mortise lockset with a deadbolt for 1-3/4 inch doors, and the Hager 3840S is a 3800 Series Grade 1 privacy mortise lock with a 2-3/4 inch backset for doors 1-3/4 inch to 2 inch. Both give an inside turn with an emergency release rather than key control from both sides.
23) Is the Dormakaba E-Plex E5086 a drop-in alternative to the Corbin Russwin ML2032?
Both are Grade 1 mortise locks, but they serve different access models. The Corbin Russwin ML2032 is a mechanical institution lock keyed on both sides with a 6-pin L4 keyway cylinder, 0-bitted standard. The Dormakaba E-Plex E5086 is a Grade 1 electronic pushbutton and card back-to-back mortise lock with an entry/egress function in the E-Plex 5X86 Series, so it credentials users rather than keying them and carries power and programming requirements the ML2032 does not.
24) What replaces a Corbin Russwin ML2032 on an office door where staff need to lock the outside lever themselves?
The ML2032 institution function requires a key on both sides, which is more restriction than a typical office needs. The Cal-Royal NM8050 is a Grade 1 heavy duty office/entrance mortise lockset for 1-3/4 inch doors with an auxiliary deadlatch, and the Hager 3850E is a 3800 Series Grade 1 office mortise lock with lever and escutcheon, non-keyed, on a 2-3/4 inch backset for doors 1-3/4 inch to 2-1/2 inch. The Hager unit matches the ML2032 backset while removing the cylinder entirely.
25) What is the difference between the ML2032 and the vandal resistant ML2000VR version?
Same lock platform, different trim armour. The ML2000VR uses vandal resistant stainless steel escutcheons with tapered edges and Torx pin tamper resistant screws. If the opening sees abuse or deliberate attack, that is the one to specify; the ML2032 with the LW lever on an A rose is the standard commercial trim.
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Does the Corbin Russwin ML2032-LWA-626 come with a warranty?
Absolutely. The Corbin Russwin ML2032-LWA-626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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