CT4500 door closer The TESA CT4500 door closer is the ideal choice for high-traffic installations, with a complete system of sliding guides for single and double leaf doors with certified electromagnetic door holder systems for fire doors. Main features: They stand out for the smooth operation of the door, minimising the resistance offered by any door with a door closer installed.Suitable for doors with a width less than 1100 mm.Symmetrical cam mechanism.Minimum effort to open the door thanks to its extremely efficient mechanism.A single model reference for all assemblies thanks to symmetrical cam operation.Adjustable force EN1 to EN4 according to EN 1154 standard.Control of closing speed and latching by means of independent valves.Adjustable opening brake as standard.Spindle height extendable with adjustment up to 14 mm.Internal double security valve.* We recommend downloading the technical data sheet below to see all the options. Downloads CT4500_Technical_document_1_TESA.pdf (.pdf, 60 kB) Close CT5700 door closerCT5700 door closer for heavy doors CT5000 door closerCT5000 door closer with cam mechanism CT2300 door closerCT2300 door closer. Certified in compliance with EN 1154 size 3.