LCN 4040XP Door Closer
The LCN 4040XP is widely regarded as the industry standard for heavy-duty commercial door closers. It is specified on countless high-traffic institutional, educational, healthcare and commercial projects because of its exceptional durability and performance.
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Grade 1
2+ million cycles
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Heavy Duty
High traffic ready
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Fully Adjustable
Sweep, latch, backcheck
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Multiple Arms
Regular, Parallel, Hold-Open
Key Features of the 4040XP
- Cast iron body for maximum strength and heat dissipation
- All-weather fluid for consistent performance
- Adjustable spring power (sizes 1–6 typically)
- Independent regulation of closing speed, latching speed and backcheck
- Available with regular arm, parallel arm, top jamb and hold-open arms
- UL listed for fire door applications
Common Applications
High-traffic school and university doors
Hospital and healthcare facilities
Government and institutional buildings
Retail and commercial entrances
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