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LCN Door Closers
LCN door closers represent America's premier hydraulic door control with industry-leading performance and durability. These premium door closers deliver superior operation for all commercial applications. National Lock Supply stocks LCN door closers in the widest range of sizes, mounting configurations, and features including heavy-duty models, hold-open options, and innovative technology meeting the most demanding specifications.
Frequently Asked Questions
What makes LCN door closers industry-leading?
LCN pioneered modern door closers and remains the specification standard with superior hydraulic technology, extensive product range, and proven reliability across all commercial applications.
What LCN closer series are available?
National Lock Supply stocks LCN 4000 series (standard commercial), 1400 series (narrow frame), 3000 series (overhead concealed), and specialty series for various applications.
Are LCN door closers suitable for heavy doors?
Yes, LCN manufactures heavy-duty closers including the 4110 series for oversized doors and extreme traffic conditions. National Lock Supply can help specify appropriate sizes.
Can LCN closers be used on fire doors?
Yes, National Lock Supply stocks fire-rated LCN door closers tested and labeled for fire door assemblies meeting all life safety code requirements.
Do LCN closers have hold-open features?
Yes, LCN offers door closers with mechanical hold-open (4040XP) and electromagnetic hold-open options integrating with fire alarm systems available through National Lock Supply.
What is the warranty on LCN door closers?
LCN provides industry-leading warranties including 10-year and 25-year options depending on model. National Lock Supply can provide specific warranty information.