Global Door Controls TC4300-AL Heavy Duty Commercial Grade 1 Door Closer in Aluminum Sizes 1-6The 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.Recommended for institutional and other high traffic demanding applicationsCast iron body with hardened steel rack & pinionComes non-handed / reversible therefore it can be installed on a left hand or a right hand doorSupplied with both wood and machine screwsFits with doors weighing up to 300 lbs.Tri-packed regular pull side, top jamb, parallel armIncludes three independent regulating valves control sweep, latch closing speeds and backcheckAdjustable backcheck speedIncludes a coverAluminum finishCTC Hole Pattern: 2-1/4 in. x 3-1/1 in.UL listed R7483ADA compliant5-year mechanical warrantyDimensionsProduct Depth (in.)3.5 inProduct Height (in.)2.25 inProduct Width (in.)12.25 inDetailsAdjustable closing speedYesBrand CompatibilityVariousBuilders Hardware Product TypeDoor CloserColorAluminumColor FamilyMetallicsCommercial / ResidentialCommercialDoor Closer FeaturesAdjustable Closing SpeedDoor Closer OperationSpringHardware Color FamilySilverHardware Finish FamilySilverInterior/ExteriorInterior/ExteriorMaterialCast IronWeight load (lb.)300Additional ResourcesFrom the ManufacturerInstallation GuideCompatibility Chart