International Door Closers Model 233S Overhead Concealed Door Closer with "S" Type Adjustable Side Load Arm Assembly – Standard Medium spring tension

International Door Closers Model 233S Overhead Concealed Door Closer with "S" Type Adjustable Side Load Arm Assembly – Standard Medium spring tension

90 Degree Back Stop -Hold Open Suitable for Interior Doors from (31 Closing and Latching speeds controlled by separate regulating valves fully adjustable after instal With Standard Medium spring tension. For use on center pivoted installations - UL Listed Stable hydraulic door check fluid for any climatic operation and constant lubrication International Series 230 Concealed Overhead Door Closer - Model 232S - 90 Degree built-in positive backstop with (HO) Hold-Open function –Standard Medium Spring Tension for use on Interior Doors with center pivoted applications. Contents include: Closer Body with mounting brackets; “S” Type adjustable Side Loading Top Arm Assembly (1/2” depth top rail), Bottom pivot set; Installation fasteners. Center Hung Doors: Double or Single Acting (Door Stop applied to frame renders unit Single Acting) - Suitable for Interior Doors from (31” to 41" x 96”) – Two speed control Valves: Closing and Latching speeds controlled by separate regulating valves, fully adjustable after installation. Fits an aluminum header or transom bar as small as 1 ¾” x 4” – Positive centering for alignment and to hold door closed against any normal wind or draft. Stable hydraulic door check fluid for any climatic operation and constant lubrication. UL Listed with Limited 5 Year Warranty.