Hager 5100 Series Door Closer 5100 MLT 1-6 ALM HO

features lifetime warranty standard 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 44 mm doors 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 materials: cast iron cover: full plastic cover - standard,plated metal cover - optional springs: one piece seamless steel spring tube, 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, top jamb mount - standard door thickness: 1-3/4 44 mm - standard, 1-3/8 - 2-1/4 36 mm - 57 mm thick door - optional fasteners: self-reaming, self-tapping wood and machine screws, sex nuts and bolts finishes: alm, brz, dbz, gol, us3, us26, us26d, rust inhibiting primer - standard notes: full rack and pinion operation, precision machined, heat treated steel piston triple heat treated steel spindle