DC300T - Heavy duty rack and pinion Application Tandem door closer with rack and pinion technology and link arm Specification Rack and pinion closer with link arm L190Two door closers are interlinked for extra wide and heavy doorsFor single action doors up to 1,800 mm wideTandem mounting plate A121 generally requiredClosing speed, latching speed and backcheck adjustable via front facing regulating valvesCan be used for left and right-handed doorsThermodynamic valves for consistent performanceAxis height-adjustable up to 14 mmDouble closing torque of DC300, EN size > 7Variable adjustable closing forceOpening angle up to 180°Large range of applications Finish Silver EV1 Standards Certified in compliance with EN 1154Suitable for fire and smoke protection doors Downloads DC300T - Heavy duty rack and pinion (.pdf, 103 kB) DC300T Instructions (.pdf, 365 kB) Close Ordering Options DC300A/TANDEM-1 DC300A/TANDEM-1 Close DC300 - Rack and pinionASSA ABLOY Door Closers are ideal for almost any structur… DC340 - Rack and pinionASSA ABLOY Door Closers are ideal for almost any structur… DC200 - Rack and pinionASSA ABLOY Door Closers are ideal for almost any structur…