Briton 1130 Fire Door Closer - Size 2-6Successfully tested on Fire Doors to comply with AS1905. 1 The Briton 1130 Series Fire Door closer is a surface mounted door closer which is a slimline unit designed to be used on interior or exterior wood and metal doors Rack and pinion Fire Door closer with strength 2 4 Non handed door closer Independent adjustment valves for controlling backcheck, closing, and latching speeds Functions such as Hold open and Delayed action are available Choice of