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Description
The Corbin Russwin ML2057 Is a Grade One Mortise Lever Lockset Storeroom or Closet Function, Ideal For Use In Institutions.
Corbin Russwin, Mortise Locks, Institutional Door hardware, Commercial Door hardware. ML2000 Series, Door locks
Features:
Storeroom or Closet function
Latchbolt by grip inside or by key outside
The outside grip is always rigid
Auxiliary latch deadlocks latchbolt
The inside grip is always free
The patented Quick Reversible feature enables the reversal of hands without disassembling the lock case (Patent #6,349,982)
Security trims provide a vandal-resistant barrier
Can be used with new or existing Corbin Russwin key systems, including patented high-security Pyramid cylinders. (Patent #6,125,674). Also accepts cylinders from most other manufacturers
Provides life safety and security in a single-door prep, saving the additional cost of a deadlock
Through-bolted trim designs for proper alignment and increased security
Specifications
Handing:
Handed; quick reversible. The lockset can be re-handed without disassembling the lockcase
Door Thickness:
1-3/4" (44mm) standard Optional door thicknesses are available
Backset:
2-3/4" (70mm)
Lockcase:
Heavy-gauge chrome plated steel, 5-7/8" (149mm) x 4" (102mm) x 15/16" (24mm) Optional: non-ferrous lockcase for corrosion resistance
Front:
Heavy gauge steel, 8" (203mm) x 1-1/4" (32mm) x 3/32" (2mm). Accommodates flat doors and doors beveled 1/8" (3mm) in 2" (51mm) Furnished 1-1/16" (27mm), optional D138, wide for 1-3/8" (35mm) doors
Armored Front:
Wrought brass, bronze, or stainless steel attached by machine screws to lockcase front
Latchbolt:
2-piece mechanical anti-friction insert, 5/8" (16mm) x l" (25mm) x 3/4" (19mm) throw
One-piece stainless steel, 19/32" (15mm) x 1-1/4" (32mm) x 1" (25mm) throw
Occupancy Indicator:
Occupancy indicators for use with ML2000 x sectional trim. Design features option for dual indicators on double cylinder functions, confirming door is secured from either side. Emergency override standard for all non-keyed functions
C. to c. knob/lever to cylinder: 3-5/8" (92mm) C. to c. knob/lever to thumbturn: 2-7/16" (62mm)
Strike:
Wrought brass, bronze, or stainless steel ANSI straight lip standard, 4-7/8" (124mm) x 1-1/4" (32mm) x 1-1/8" (29mm) lip to center. Optional strikes, lip lengths, and ANSI wrought strike box available
Cylinder:
Brass, 6-pin, L4 keyway, 0-bitted standard (Standard)
Keys:
Two nickel silver standard
Keying features available:
Master keying | Construction master keying | Visual key control | Concealed key control | Plug only to show (concealed shell) | 7-pin cylinder | Security | Security (IC) | Pyramid (FC) | Pyramid (IC) | Interchangeable core (IC) | Master ring cylinder | Blockout cylinder | Flex head cylinder
Warranty:
One-year limited warranty
Certifications
ANSI:
Meets A156.13 Series 1000, Operational and Security Grade 1 Meets A117.1 Accessibility Code
Federal:
Meets FF-H-106C
UL /ULC-UL10C Positive Pressure:
All locks listed for A label and lesser class doors, 4' (122cm) x 10' (305cm) single or 8' (244cm) x 10' (305cm) pair. Letters F and UL symbol on the armored front indicate listing
California State Reference Code:
All levers with returns, return to within l/2" of the door face
