LCN 4040XP-EDA-BLACK Extra Duty Arm Door Closer
Ease of Installation and Adjustment
Tight tolerances in manufacturing for accuracy and precision
Peel-n-stick template for quick and accurate installation
Updated! LCN Green Dial to take the guesswork out of spring power adjustments
New! Patent-pending positive stop to improve staking and prevent the screw from being backed out
New! Patent-pending regulation valve indicators that add a visual reference for screw adjustment location
New! Labeled regulation valves and diagram of door swing to make adjustments faster, easier and consistent
Quality and Durability
Cast iron cylinder for rugged performance, longer life and maximum control
Single-piece, heat-treated forged steel arms to withstand bending and breaking
Heat-treated 1-1/2" diameter piston for extra hardiness and strength
Double heat-treated steel pinion with 11/16” journal diameter for greater wear-resistance
Full complement bearings with minimum 0.5” height that wear more evenly and are less susceptible to leakage
All-weather Liquid X fluid for consistent performance through every season, regardless of temperature changes
Independent speed adjustments for greater door control
Non-PRV (pressure relief valve) design to minimize risk of property damage, injury, increased maintenance and liability exposure
Updated! Redesigned snap-fit cover with patent-pending retention fit
Powder coat finish that lasts longer than spray lacquer
30-year warranty
Flexibility
Universal non-handed design that enables it to fit more applications with a single product
Full ranges of mount and arm options, including hinge pull side, push side top jamb and push side parallel arm
Adjustable spring sizes 1-6
