Hager 5100 Series Heavy Duty Door Closer 5100 PAR 1-6 ALM HD

Features: Grade 1Heavy Duty Surface Door CloserIdeal for schools, hospitals, and other high-use environmentsLifetime warrantyStandard package contains 5101 closer body, 5102 closer cover, 5103 main arm assembly, 5104 standard screw pack, 5909 parallel arm bracket, and 5940 SNB screw pack for 1-3/4" doorsCertifications: BHMA Certified ANSI A156.4, adjustable sizes 2 to 6 - StandardADA Compliant ANSI A117.1 Accessibility Code only for adjustable sizes 1 to 4 - Optional, UL/cUL Listed for up to 3 hours, UL10C Positive Pressure Rated, UL10B Neutral Pressure RatedMaterial: Cast IronCover: Full plastic cover - Standard, Plated metal cover - OptionalSprings: One piece seamless steel spring tube, Double heat treated steel, tempered springsValves: Adjustable latching and sweep speed valves, Adjustable backcheck valve - Standard, Delayed action valve - Optional,Staked valves - StandardHanding:Non-handedArms & Brackets: Tri-Pack: Regular, Parallel Arm, Top Jamb Mount - StandardDoor Thickness: 1-3/4" (44 mm) - Standard, 1-3/8" - 2-1/4" thick door (36 mm - 57 mm) - OptionalFasteners: ALM, BRZ, DBZ, GOL, US3, US26, US26D,Rust inhibiting primer - StandardNotes: Full rack and pinion operation, Precision machined, heat treated steel piston, Triple heat treated steel spindle.