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skip to Briton 121SES Door Closer Silver Finish

Briton 121SES Door Closer Silver Finish

£45.59

(£37.99 ex VAT)

sku: L14368
  • Fixed power size EN 3 for consistent closing performance on standard internal doors
  • Dual-valve adjustment controls closing speed and latching action independently
  • Non-handed design enables installation on both left and right-handed doors
  • Supplied with universal bracket for regular, transom or parallel arm mounting
  • Fire tested for use on timber fire doors for up to 120 minutes
  • Internal rack and pinion mechanism provides smooth and reliable operation
  • Constructed with a cast aluminium body and hardened steel components for durability
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When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

The Briton 121SES is a compact overhead door closer engineered for medium-duty applications where a reliable and consistent closing force is required. This model provides a fixed power size of EN 3, making it suitable for standard internal doors in both residential and commercial environments.

Functionality is controlled via two independent valves, allowing for precise adjustment of the closing speed and the final latching action. This ensures that the door closes smoothly while overcoming any latch resistance to maintain security and fire integrity. The internal mechanism features a high-quality rack and pinion system housed within a durable cast aluminium body.

Typical applications include fire-rated timber doors and standard steel doors. Its non-handed design and universal fixing pack allow for versatile installation across various frame configurations, including regular, transom and parallel arm mounting. This product is frequently used as a replacement closer or as part of a new fire door assembly to ensure compliance with building safety regulations.

FAQs

The Briton 121SES is a fixed strength size 3 door closer. It is specifically designed for use on internal doors up to 950mm wide and weighing up to 60kg.

Yes, this model features a universal application design. It can be installed in regular, transom, or parallel arm configurations, making it suitable for both left and right-handed doors.

The closer includes independent adjustments for both closing speed and latch action. This allows you to fine-tune how quickly the door shuts and ensures it latches firmly into the frame.

The SES suffix stands for Sprayed Silver. It features a durable, metallic silver powder-coated finish that provides a clean, professional appearance suitable for modern office and commercial environments.