Norton 8501XAL Door Closer Parallel Std Top Frame Mounting Type, Grade 1 Heavy Duty 2TEG7 Steel Wheel Type Type 1 Steel Wheel Type Type 1 Connector Type Unthreaded Hole Maximum Operating Speed 13 Item # 425138 Slide Mounting Type Interior Exterior Commercial Series 8000 Green Certification or Other Recognition Environmental Transparency Through EPD (Environmental Product Declaration) Mounting Style Top Frame Hand Non Handed Compatible Brand NORTON RIXSON UL Fire Rating UL10C Door Opening Maximum 180 Degrees Fire Rating 3 hr Door Weight Maximum 250 lb Operation Style Manual Spring Type Adjustable Interior Exterior Use Interior Exterior ANSI BHMA Finish Aluminum Painted Closer Cycles 25 Top Jamb Closer Performance Heavy Duty Closer Series Norton 8000 Closer Type Non Hold Open Color Gray Finish Aluminum Hand Orientation Non Handed Interior Exterior Interior and Exterior Hydraulic Pneumatic Hydraulic Automatic Manual Manual Material Cast Aluminum Includes Molded Slim Style Covers Fire Rating Door Hardware 3 hr Projection from Wall 2 3 4 in Arm Type Parallel