LCN 4110 Heavy Duty Door Closer, Aluminum Powder Coat Finished, Cast Iron, Left-Handed, Spring Cush-N-Stop Hold Open Arm

The LCN 4110 door closer has a double lever, left-handed, hold-open parallel arm made of forged steel with a spring-loaded stop, has an aluminum powder coated finish, and is for use in heavy duty applications on interior or exterior doors. The hydraulic cylinder is made of cast iron, has a forged steel piston and double heat treated steel pinion for resistance to wear, and is certified for 10 million cycles. All-weather hydraulic fluid helps reduce the need for seasonal adjustment. The double lever arm must be installed for a low-profile, parallel arm . The arm is made of forged steel for high traffic settings, and has a spring-loaded stop that provides a cushioned limit to door sweep to 110 degrees to protect adjacent walls. The arm's hold-open feature will hold the door in an open position when engaged. The door closer is left-handed, for installation on doors with hinges on the left side, and includes a plastic cover. The spring force required to open the door is adjustable from sizes 1 to 6 for interior doors up to 60" wide, or exterior doors up to 48" wide, to help comply with the Americans with Disabilities Act (ADA) when properly installed. The aluminum powder coat finish helps provide resistance to corrosion. The door closer meets American National Standards Institute (ANSI)/Builders Hardware Manufacturers Association (BHMA) A156.4 grade 1 standards for commercial buildings. It is also Underwriters Laboratories (UL) listed for a 3-hour fire rating. SpecificationsCylinderCast iron with forged steel piston and double heat treated steel pinionArm constructionForged steel main arm and forearmCoverPlasticingParallel armInterior door width24" to 60"Exterior door width24" to 48"Maximum door opening110 degreesANSI/BHMA gradeGrade 1Cycles10 millionUL compliance3-hour fire rating, Commercial grade door closers mechanically return a door to closure for security, conservation of heating and cooling, and fire safety. A hydraulic cylinder attached to an arm regulates the speed of closure with separate adjustments for the door's sweep and latch (the final 10 degrees) phases of movement, and backcheck for opening resistance to protect walls and guard against wind gusts. Single lever (also called track) arms maintain a low profile when installed on either side of a door, while double lever arms provide greater mechanical efficiency. In either a regular (on the hinge, or pull, side of the door) or a top jamb (on the reverse, or push side), the double lever arm projects perpendicular to the door. A parallel arm must be installed on the push side, for the double lever arm to occupy the recess of the door frame when at rest for a low profile. LCN manufactures door closers and other door hardware products. The company, founded in 1926, is headquartered in Princeton, IL. What's in the Box? ------------------ * 4110 series hydraulic cylinder * Forged steel, spring loaded, hold-open double lever arm * Plastic cylinder cover * Peel-n-stick installation template * Fastener pack: screw spacer, self-reaming and tapping screws

• Heavy duty, ANSI/BHMA grade 1 door closer certified for 10 million cycles.
• Double lever parallel arm for low profile .
• Spring-loaded stop provides cushioned limit to door sweep to 110 degrees to protect walls, and hold-open arm for holding the door in an open position.
• Left-handed arm for installation on doors with hinges on the left side.
• Aluminum powder coat finish helps provide resistance to corrosion.