Allegion LCN 4031 Series Surface Mounted Regular Arm Door Closer Strength 1-4 Aluminium LCC25189

The LCN 4031 Surface Mounted Door Closer is a durable, commercial-grade door closer designed for moderate traffic applications. It is suitable for timber, aluminium or metal swinging doors and is commonly used on apartment entrance doors, office doors, storeroom doors, toilet doors and other commercial or light commercial openings.

The 4031 Series is universal, fully reversible and non-handed, making it suitable for both left-hand and right-hand doors. It features a high-strength cast iron cylinder, adjustable spring strength and independent adjustment valves for closing speed, latching speed and backcheck, allowing the door closing action to be fine-tuned after installation.

This closer is part of the LCN 4030 Series and is designed to provide reliable door control where a strong and adjustable surface-mounted closer is required. The adjustable size 1–4 spring power makes it suitable for a range of internal and selected external door applications, depending on door size, weight and site conditions.

Key Features:

• LCN 4031 Series surface mounted door closer
• Suitable for moderate traffic applications
• Universal, fully reversible and non-handed
• Suitable for timber, aluminium or metal swinging doors
• Adjustable spring strength size 1–4
• Factory set to strength 3
• Independent adjustment for closing speed, latching speed and backcheck
• High-strength cast iron closer cylinder
• Tested to 1,500,000 cycles
• Suitable for apartment entrances, offices, storerooms and toilet doors
• Designed for commercial and light commercial door control applications

Installation Information:

The LCN 4031 is a surface mounted door closer and should be installed according to the correct mounting template and door application. It can be used with different mounting arrangements depending on the door, frame and arm configuration. Installation should be carried out by a competent installer or locksmith to ensure correct spring adjustment, closing speed, latching speed and backcheck settings.

Warranty Information:

This product comes with a 30-year mechanical warranty. Finish warranty may vary depending on the selected finish, installation environment and maintenance. Please refer to Allegion / LCN finish warranty conditions or contact us to confirm warranty details before ordering.