Model 310 BODY ONLY Fixed ADA (Handicap) Multi-sized Overhead Concealed Closer for Exterior Doors - 105 Degree Backstop with Hold-Open function w/range of sizes from 8.5lbs of Opening Force to medium spring tension

International Series 300 Concealed Overhead Door Closer - Model 310 BODY ONLY with mounting brackets. 105 Degree Built-in positive Backstop with (HO) Hold-Open Function – ADA (Handicap) with 8.5lb. opening force. For use on Exterior Doors with center pivoted applications. Center Hung Doors: Double or Single Acting (Door Stop applied to frame renders unit Single Acting) – Adjustable for a range of sizes from 8.5lbs opening force to medium spring tension, fully adjustable after installation. 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 – Body Only - UL Listed with a Limited 5 Year Warranty

• 105 Degree Backstop (HO) Hold Open - Multi-sized closer w/Adjustable Spring Power for range of sizes
• Adjustable OHC from 8.5lbs of Opening Force to medium spring tension.
• Adjustable after installation. Closing and Latching speeds controlled by separate regulating valves.
• ADA (Handicap) with 8.5 lb opening force for use on center pivoted installations - UL Listed
• Stable hydraulic door check fluid for any climate. Two Speed Control Valves fully adjustable.