DC300 Rack and pinion closer with link arm L190 Certified in compliance with EN 1154, size 3-6 Suitable for fire and smoke protection doors For single action doors up to 1400 mm wide Capability characteristics Rack and pinion closer with link arm L190 Can be used with integrated concealed mounting plate, suitable for fire and smoke protection doors Can be used for left and right-handed doors Axis height-adjustable up to 14 mm Closing speed, latching speed and backcheck adjustable via front facing regulating valves Thermodynamic valves for consistent performance Variable adjustable closing force Opening angle up to 180° Effective backcheck and latching speed range adjustable Accessories for established installation types Large range of applications Standard colours: silver EV1; white, similar to RAL9016; brown, similar to RAL8014; black, similar to RAL9005 Customised finishes available on request Characteristics for hold-open link arm L191 Hold-open angle adjustable up to 150° Hold-open mode can be enabled and disabled as required Same installation as link arm Cannot be used with fire and smoke protection doors DC840 DC140 DC200