Briton 121

Product Description


The Briton 121 offers a compact, template adjustable which is suitable for the most common door sizes. This cost effective closer solution exhibits the characteristics of performance, durability and quality that specifiers have come to expect from a Briton door control. With simple, no nonsense installation, the Briton 121 comes with a screwthread armset as standard.

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Item Ref: Description Mounting Option Finishes
121 Template adjustable closer EN 2-4 Regular and Transom mount  
121CE Fixed power EN3 Regular and Transom mount BES; GES;
121.APH Hold-open arm pack for Briton 121 only Regular, Transom & Parallel SES; WHS;


  • Pressure die cast aluminium body with sprayed paint finish with matching armset.
  • Hardened and ground steel rack and pinion mechanism for smooth efficient operation.
  • Screw thread armset manufactured from forged steel for additional strength and durability.
  • Non handed design provides 180˚ opening / controlled closing.
  • Optional arm bracket for parallel mounting application
  • Optional hold-open armset (Not suitable for use on fire door applications)
  • Available in 4 paint finishes


  • 10 years


Available in a choice of sprayed finishes. 
  • Silver (SES)
  • Gold (GES)
  • Brown (BES)
  • White (WHS)