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Quick Overview
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ANSI/BHMA A156.2 Grade 1
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Non-handed
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UL Listed
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Corbin Russwin CK4332 Grade 1 Institutional Knob Lock
The Corbin Russwin CK4332 is a Grade 1 cylindrical knob lock with a utility, asylum, or institutional function. Its deadlocking latchbolt is operated by key from either side, distinguishing it from passage and standard entrance knob locks.
Function
- Deadlocking latchbolt operated by key from either side.
- Both knobs always free, as stated in the existing function specifications.
Key operation from both sides is the defining feature of this function. Do not interpret freely turning knobs as confirmation of keyless latch operation or free egress. Confirm that this specific function suits the intended door before ordering.
CK4300 Series durability
The CK4300 Series combines traditional knob styling with ANSI/BHMA Grade 1 reliability and durability for demanding commercial, industrial, and institutional applications. For a project requiring this specialized keyed function, the CK4332 pairs that operation with a conventional cylindrical knob-lock format.
Certifications
- UL listed and UL10c compliant.
- UL-cUL Listed for use on fire doors having a rating up to and including 3-hours.
- ANSI/BHMA A156.2, Series 4000, Grade 1.
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