Issue link: http://www.e-digitaleditions.com/i/206043
81X Chains and Attachments 81X, 81XH, and 81XHS 81X Series chains are built to rigid speci cations for use in the Forest Products industry on lumber conveyors, trimmer saws, stackers, and transfer conveyors. They are also commonly used on veneer dryers and gypsum board ovens. The heavy (H) and extra heavy (HS) versions of 81X operate on standard 81X sprockets with hardened teeth. 81X Plain Chain Speci cations Chain Dime nsions Are Give n In Inche s Link Plate He ight H Riv. Pin Le ngth Lr Cot. Pin Le ngth Lc Ave rage Ultimate Stre ngth (Lbs) Ave rage Chain We ight (Lbs/Ft) 0.156 1.125 0.945 1.125 25,000 2.40 0.312 0.219 1.265 1.190 1.340 40,000 3.50 0.312 0.312 1.265 1.270 1.430 42,000 4.60 Chain Numbe r Chain Pitch P Inside Width W Rolle r Diame te r R Pin Rolle r Plate Pin Plate Diame te r Thickne ss Thickne ss D Tr Tp 81X 2.609 1.062 0.906 0.437 0.156 81XH " " " " 81XHS " " " " 81X Attachment Speci cations Chain Dime nsions Are Give n In Inche s Chain Numbe r Chain Pitch P Inside Width W 81X 2.609 1.062 114 Rolle r Pin Rolle r Plate Pin Plate Diame te r Diame te r Thickne ss Thickne ss R D Tr Tp 0.906 0.437 0.156 0.156 Link Plate He ight H Riv. Pin Le ngth LR 1.125 1.890 Pushe r Roof Top Roof Top Cot. Pin Attachme nt Attachme nt Attachme nt Le ngth He ight He ight Width LC A B M 2.070 2.562 1.25 2.50