Closer Heavy Duty 416AL

416AL – Aluminum Painted   ANSI : Meets ANSI A156.4 – Grade 1 Standards UL Listings: : For “A” Label 3 Hour Fire Doors, UL10C Positive Pressure Rated ADA Compliance : Meets ADA requirements ANSI A117.1 Closer Body : Heavy Duty Cast Iron Closer Body with Precision Rack & Pinion Construction Piston & Spindle : Heat Treated Steel Piston & Spindle with Needle Bearings for Smooth Operation Springs : Heat Treated Heavy Duty Tempered Spring for up to 250lb door Spring Sizing : Adjustable Size 1 to 6 – Factory set at size 3 Speed Controls : Independent Latch & Sweep Speed Controls Back Check : Adjustable Back Check Intensity Control Valve Valves : Staked Valves to prevent backing valves out too far Standard Cover : Molded Plastic Cover included for finished look Optional Cover : US26D Metal Cover available separately CTC Hole Pattern : 2 holes 1″ CTC, 3″ CTC horizontal x 2 1/4″ CTC vertical Projection : 2 1/4″ projection with cover installed Minimum Top Rail : Regular Ar