LCN 4111 Heavy Duty Surface-Mounted Door Closer

LCN 4111 Heavy Duty Surface-Mounted Door Closer — Powder Coat Finish

Professional Heavy-Duty Door Control

The LCN 4111 is a heavy-duty, parallel-arm surface-mounted door closer built for high-traffic commercial openings. Cast iron body, all-weather fluid, and a 1-1/2" diameter piston deliver the durability Grade 1 applications demand. Adjustable spring sizes 1–5 (or size 6 with non-sized cylinder) cover interior doors to 5'0" and exterior doors to 4'0". Hold-open capability beyond 140° satisfies ADA reduced-opening-force requirements. UL and cUL listed. ANSI/BHMA A156.4 Grade 1 certified. 30-year warranty.

Key Features

• Cast Iron Construction: Full-complement bearing and 1-1/2" diameter piston for demanding commercial duty.
• Adjustable Spring Force: Sizes 1–5 field-adjustable; LCN patented Green Dial Spring indicator eliminates guesswork during setup.
• ADA Compliant: Hold-open beyond 140° meets ADA door-force requirements; BAA qualified.
• All-Weather Fluid: Double heat-treated pinion journal and all-weather fluid ensure reliable operation across temperature extremes.
• Delay Action: Built-in delay function available for controlled closing sequences.
• Powder Coat Finish: Standard colors (689 Aluminum, 690 Statuary Bronze, 691 Light Bronze, 693 Gloss Black, 695 Dark Bronze, 696 Brass); custom colors and SRI primer available for corrosive environments.
• Cover Options: 4110-72 plastic cover (non-handed) or 4110-72MC metal cover (handed; required for plated and custom powder coat finishes).
• Arm Types: EDA, CUSH, HCUSH, HEDA, FL, SCUSH, SHCUSH, EDA w/62G, HEDA w/62G, RW/62A — select at order.
• Mounting: Surface mount, parallel arm, push side; 2-1/2" × 6" hole pattern.
• Certifications: UL listed, cUL listed, ANSI/BHMA A156.4 Grade 1.
• Warranty: 30 years.

Technical Specifications

• Model: 4111 (4110 Series)
• Duty Level: Heavy Duty
• Mounting Method: Surface Mount — Parallel Arm (Push Side)
• Mounting Hole Pattern: 2-1/2" × 6"
• Body Material: Cast Iron
• Closer Sizes: 1, 2, 3, 4, 5
• ADA Compliant: Yes
• BAA Qualified: Yes
• Fluid Type: All-Weather
• Delay Function: Yes
• Finish Type: Powder Coat
• Cover Type: Plastic or Metal (see cover options above)
• Commercial/Residential: Commercial

Typical Applications

• Commercial office buildings and corporate campuses
• Healthcare facilities and hospitals
• Educational institutions (K–12 and higher ed)
• Government and municipal buildings
• Multi-family and mixed-use residential
• Retail and hospitality
• Industrial and warehouse facilities

Why LCN 4111?

LCN's 4110 Series has been the benchmark for surface-mounted commercial door closers for decades. The 4111's cast iron body, Grade 1 certification, and 30-year warranty make it the default spec for architects, GCs, and facility managers who can't afford a callback. All-weather fluid and the Green Dial adjustment system mean faster installs and fewer service calls. Available in six powder coat finishes with eight arm configurations — order exactly what the opening requires.