TheSmiths Architectural Overhead Door Closer range offers premium performance and long-lasting reliability for commercial, institutional, and residential settings. Designed to meet rigorous safety standards and withstand high-frequency usage, these door closers are ideal for controlling the closing action of fire doors and standard swing doors in a wide range of applications. Available in Size 24 and Size 3 models, the collection caters to different door sizes, weights, and functional needs, all while maintaining elegant simplicity and code-compliant operation.

Product Variants and Technical Overview

Smiths Architectural Overhead Door Closer Size 24

The Size 24 closer is a highly adaptable unit that provides variable power adjustment, allowing it to be fine-tuned on-site to suit a broad range of door sizes and weights. It is designed for medium- to heavy-duty use and is suitable for both fire and non-fire-rated door applications.

Key Features and Benefits:

• Adjustable Power Size EN 24: This model supports varying power levels, making it suitable for different door types and sizes. Whether used on lighter internal doors or heavier fire doors, the adjustable force ensures reliable closing performance tailored to the application.
• Fire Tested to EN1634: Independently tested and certified to European fire safety standard EN1634, this closer is suitable for use on fire doors with a fire resistance rating of up to 60 minutes.
• Cycle Tested to 500,000 Operations: Built for longevity, the closer has been tested for half a million cycles, confirming its capability to handle high-traffic environments such as commercial offices, schools, hospitals, and public buildings.
• Adjustable Closing Speed, Latch Speed, and Backcheck: The fully adjustable mechanisms allow precise control of the doors closing phases. Backcheck prevents slamming into walls or obstructions, while closing and latch speed adjustments ensure smooth, controlled operation.
• Universal Opening Configuration: This unit supports both left-hand and right-hand doors and can be installed on either the pull or push side of the door.
• Maximum Opening Angle: Allows door opening up to 105 degrees, balancing wide access with control and safety.
• Complete Installation Kit Included: Supplied with a cover, standard arm, parallel arm bracket, and all necessary fixings, making it suitable for regular mounting, transom mounting, or parallel arm configurations.
• Door Compatibility: Ideal for doors up to 2100mm in height, 1100mm in width, and up to 80kg in weight.
• Boxed Weight: 1.8kg

Smiths Architectural Overhead Door Closer Size 3

The Size 3 closer is a fixed-power unit ideal for moderate-duty doors where adjustable force is not required. It offers robust functionality and is perfect for standard interior fire-rated doors, particularly in residential, light commercial, and low-to-moderate traffic environments.

Key Features and Benefits:

• Fixed Power Size EN 3: Provides consistent performance on standard-size doors without the need for power adjustment. EN 3 is suitable for most internal doors that do not exceed mid-range weights and dimensions.
• Fire Tested to EN1634: Certified for use on 60-minute rated fire doors, ensuring safety and code compliance in regulated environments.
• Cycle Tested to 500,000 Operations: Tested for durability and long-term reliability in everyday usage.
• Adjustable Latch Speed and Backcheck: Provides customizable door closing behavior, allowing for soft latching and controlled resistance near the fully open position to reduce impact damage.
• Maximum Opening Angle: The Size 3 model allows for a wide 180-degree opening angle, offering maximum accessibility, particularly beneficial in public buildings or spaces with frequent foot traffic.
• Installation Components Included: Comes with a parallel arm bracket and fixings for flexible mounting options.
• Door Compatibility: Suitable for doors up to 2100mm high, 950mm wide, and weighing up to 65kg.
• Boxed Weight: 1.6kg

Ideal Applications

Smiths Architectural Overhead Door Closers are engineered for a wide range of installations, including:

• Fire Doors in residential, commercial, and institutional buildings
• Office Entrances and corridor doors requiring controlled closing
• Public Buildings, such as hospitals, schools, and government facilities
• Hospitality and Retail Spaces, including hotel rooms and customer access doors
• Apartment Buildings and multi-tenant housing, where secure self-closing doors are essential

These closers support both safety and convenience by ensuring doors return to a closed position automatically, maintaining fire safety compartmentalization and enhancing building security.

Installation and Configuration Options

Both door closer models are designed for flexible installation. The included components allow for several mounting configurations:

• Regular (pull side) mounting
• Parallel arm (push side) mounting
• Overhead transom mounting (where applicable)

They are suitable for both left-hand and right-hand doors, simplifying the specification and ordering process for contractors and builders.

Installation is straightforward for professional installers, and the comprehensive instruction manual ensures correct setup and compliance with safety standards.

Compliance and Safety Standards

Both variants comply with essential European and international safety standards:

• EN1634 Fire Testing: Validates suitability for fire door applications.
• EN1154 Door Closer Standard: Ensures performance, strength, and cycle durability.
• CE Marked: Confirms the product meets applicable EU requirements for health, safety, and environmental protection.

Whats Included in the Box

Each Smiths Architectural Overhead Door Closer package contains:

• Closer body
• Cover (Size 24 model only)
• Arm and bracket
• Parallel arm bracket
• Full set of fixings and screws
• Installation instructions

Summary

The Smiths Architectural Overhead Door Closers combine functional precision with robust engineering to deliver safe, smooth, and durable door operation. Whether selecting the Size 24 adjustable model for versatility or the Size 3 fixed model for consistent, everyday performance, both closers ensure compliance with fire regulations and provide exceptional reliability across a range of architectural environments.

Built to perform, tested to endure, and easy to install these closers are the perfect solution for ensuring controlled door operation in any fire-rated or standard doorway.