The LCN 4040XP Series are door closers that meet ADA requirements, UL and cUL listing conditions for self-closing doors without hold. They're tested and certified under the ANSI Standards A156.4, Grade 1 for use on labeled fire doors, durable and built to high standards. This heavy-duty closer is LCNâs most durable surface-mounted closer, designed for the most demanding applications.
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 11/16â journal diameter for greater wear-resistance
- Full complement bearings with minimum 0.5â 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