Hager 5300 Series Door Closer 5300 MLT 1-6 ALM

features: heavy duty surface door closer ideal for schools, hospitals, and other high-use environments lifetime warranty standard package contains 5301 closer body, 5302 closer cover, 5303 main arm assembly, 5304 standard screw pack, 5900 parallel arm bracket, and 5902 snb screw pack for 1-3/4in door certifications: bhma certified ansi a156.4, adjustable sizes 2 to 6 - standard ada 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 rated material: aluminum alloy cover: full plastic cover and pinion cap springs: double heat treated steel, tempered springs valves: adjustable latching and sweep speed valves, adjustable backcheck valve - standard, delayed action valve - optional, staked valves - standard handing: non-handed arms & brackets: tri-pack: regular, parallel arm, and top jamb mount - standard, 15% power adjustment in standard arm for regular and top jamb mount door thickness: 1-3/4in 44 mm, 1-3/8in - 2-1/4in 36 mm - 57 mm optional fasteners: self-reaming, self-tapping wood and machine screws, sex nuts and bolts finishes: alm, brz, dbz, gol, rust inhibiting primer - standard notes: full rack and pinion operation, precision machined, heat treated steel piston, triple heat treated steel spindle