The Global Door Controls TC4300 series heavy duty door closers are Grade 1 certified. This series is also fully compliant with opening force requirements for ADA standards. It has a wide collection of options and installation accessories to accommodate the requirements specified in any industrial or institutional application. This closer is recommended for use on all glass and aluminum store front doors. Moreover, the spring tension is adjustable and comes in sizes 1-6. Items are available in two finishes : Aluminum and Duronodic. They carry a 5 Year mechanical warranty to be the guarantee for our clients. •Heavy-duty, cast iron construction with adjustable spring tension •Adjustable control sweep, latch closing and backcheck speeds •Meets the performance standards of Grade 1, ANSI BHMA A156.4 •Recommended for institutional and other high traffic demanding applications •Cast iron body with hardened steel rack & pinion •Comes non-handed / reversible therefore it can be installed on a left hand or a right hand door •Supplied with both wood and machine screws •Fits with doors weighing up to 300 lbs. •Tri-packed – regular pull side, top jamb, parallel arm •Includes three independent regulating valves – control sweep, latch closing speeds and backcheck •Adjustable backcheck speed •Includes a cover •Duronodic finish •CTC Hole Pattern: 2-1/4 in. x 3-1/1 in. •UL listed R7483
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